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United Kingdom · Month guide
United Kingdom in September
Around 17 °C with 95 mm of rain and 4.2 hours of sun a day.
September is a mixed month for United Kingdom — worth planning around specific regions. Around 17 °C with 95 mm of rain and 4.2 hours of sun a day. Use the regional grid below to find where this month works best — national averages hide the swings between coast, highlands, and inland.
Avoid
United Kingdom · September
What the weather usually does
United Kingdom · typical month
- Day / night10 – 17 °CYear range 2 – 19 °C
- Rainfall95 mmYear range 61 – 113 mm
- Sunshine4.2 hr / dayYear range 1.4 – 6.7 hr / day
What’s open · September
Things to do in United Kingdom in September
Nothing in United Kingdom shuts for the season, and 1 thing below is at its best in September.
- At its bestWalking in the western Highlands and Skye
long enough days for the hills, either side of the midges
Sources: wildernessscotland.com, outdoorscot.co.uk
Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.
232 regions · current month
United Kingdom, taken apart
- Aberdeen15°C now · 6–17 °C yr
- Aberdeenshire15°C now · 6–17 °C yr
- Anglesey17°C now · 8–19 °C yr
- Angus15°C now · 5–18 °C yr
- Antrim16°C now · 7–18 °C yr
- Ards16°C now · 8–17 °C yr
- Argyll and Bute15°C now · 7–16 °C yr
- Armagh16°C now · 7–19 °C yr
- Ballymena16°C now · 7–18 °C yr
- Ballymoney16°C now · 7–17 °C yr
- Banbridge16°C now · 7–18 °C yr
- Barking and Dagenham19°C now · 8–22 °C yr
- Barnet19°C now · 7–22 °C yr
- Barnsley17°C now · 6–20 °C yr
- Bath and North East Somerset19°C now · 8–21 °C yr
- Bedford19°C now · 7–23 °C yr
- Belfast16°C now · 8–18 °C yr
- Bexley19°C now · 8–22 °C yr
- Birmingham18°C now · 7–22 °C yr
- Blackburn with Darwen17°C now · 7–19 °C yr
- Blackpool16°C now · 7–18 °C yr
- Blaenau Gwent17°C now · 7–20 °C yr
- Bolton17°C now · 7–20 °C yr
- Bournemouth18°C now · 8–21 °C yr
- Bracknell Forest19°C now · 7–22 °C yr
- Bradford16°C now · 6–19 °C yr
- Brent19°C now · 7–22 °C yr
- Bridgend17°C now · 8–19 °C yr
- Brighton and Hove18°C now · 8–19 °C yr
- Bristol19°C now · 8–22 °C yr
- Bromley19°C now · 7–22 °C yr
- Buckinghamshire19°C now · 7–22 °C yr
- Bury17°C now · 6–19 °C yr
- Caerphilly17°C now · 7–20 °C yr
- Calderdale16°C now · 6–19 °C yr
- Cambridgeshire20°C now · 7–23 °C yr
- Camden19°C now · 7–22 °C yr
- Cardiff18°C now · 8–20 °C yr
- Carmarthenshire17°C now · 8–19 °C yr
- Carrickfergus15°C now · 8–16 °C yr
- Castlereagh16°C now · 8–18 °C yr
- Central Bedfordshire19°C now · 7–23 °C yr
- Ceredigion17°C now · 7–19 °C yr
- Cheshire East17°C now · 7–20 °C yr
- Cheshire West and Chester18°C now · 7–20 °C yr
- Clackmannanshire16°C now · 6–19 °C yr
- Coleraine15°C now · 8–17 °C yr
- Conwy16°C now · 7–19 °C yr
- Cornwall18°C now · 9–19 °C yr
- Coventry19°C now · 7–22 °C yr
- Craigavon16°C now · 7–19 °C yr
- Croydon19°C now · 7–22 °C yr
- Cumbria16°C now · 6–18 °C yr
- Darlington17°C now · 6–20 °C yr
- Denbighshire17°C now · 7–19 °C yr
- Derby18°C now · 7–21 °C yr
- Derbyshire17°C now · 6–20 °C yr
- Derry16°C now · 7–18 °C yr
- Devon18°C now · 8–20 °C yr
- Doncaster18°C now · 7–21 °C yr
- Dorset19°C now · 8–21 °C yr
- Down16°C now · 8–17 °C yr
- Dudley18°C now · 7–21 °C yr
- Dumfries and Galloway16°C now · 6–18 °C yr
- Dundee16°C now · 6–19 °C yr
- Dungannon and South Tyrone16°C now · 7–18 °C yr
- Durham16°C now · 6–19 °C yr
- Ealing19°C now · 7–22 °C yr
- East Ayrshire15°C now · 6–17 °C yr
- East Dunbartonshire16°C now · 6–18 °C yr
- East Lothian15°C now · 6–17 °C yr
- East Renfrewshire16°C now · 7–18 °C yr
- East Riding of Yorkshire18°C now · 7–20 °C yr
- East Sussex19°C now · 8–21 °C yr
- Edinburgh16°C now · 6–18 °C yr
- Enfield19°C now · 7–23 °C yr
- Essex19°C now · 7–22 °C yr
- Falkirk16°C now · 6–19 °C yr
- Fermanagh16°C now · 7–18 °C yr
- Fife16°C now · 7–19 °C yr
- Flintshire17°C now · 7–20 °C yr
- Gateshead17°C now · 7–20 °C yr
- Glasgow16°C now · 6–18 °C yr
- Gloucestershire19°C now · 7–22 °C yr
- Greenwich20°C now · 8–23 °C yr
- Gwynedd16°C now · 7–18 °C yr
- Hackney20°C now · 8–23 °C yr
- Halton17°C now · 7–19 °C yr
- Halton18°C now · 8–20 °C yr
- Hammersmith and Fulham19°C now · 7–22 °C yr
- Hampshire19°C now · 8–22 °C yr
- Haringey19°C now · 8–23 °C yr
- Harrow19°C now · 7–22 °C yr
- Hartlepool17°C now · 7–19 °C yr
- Havering19°C now · 8–22 °C yr
- Herefordshire18°C now · 7–21 °C yr
- Hertfordshire19°C now · 7–22 °C yr
- Highland14°C now · 5–16 °C yr
- Hillingdon19°C now · 7–22 °C yr
- Hounslow19°C now · 7–22 °C yr
- Inverclyde16°C now · 6–18 °C yr
- Isle of Wight19°C now · 8–21 °C yr
- Isles of Scilly17°C now · 10–18 °C yr
- Islington20°C now · 8–23 °C yr
- Kensington and Chelsea19°C now · 7–22 °C yr
- Kent19°C now · 8–22 °C yr
- Kingston upon Hull18°C now · 7–21 °C yr
- Kingston upon Thames19°C now · 7–22 °C yr
- Kirklees16°C now · 6–19 °C yr
- Knowsley18°C now · 8–20 °C yr
- Lambeth20°C now · 8–23 °C yr
- Lancashire17°C now · 7–19 °C yr
- Larne15°C now · 7–17 °C yr
- Leeds18°C now · 7–20 °C yr
- Leicester19°C now · 7–22 °C yr
- Leicestershire19°C now · 7–22 °C yr
- Lewisham20°C now · 8–23 °C yr
- Limavady15°C now · 7–17 °C yr
- Lincolnshire19°C now · 7–22 °C yr
- Lisburn16°C now · 8–18 °C yr
- Liverpool17°C now · 7–19 °C yr
- London20°C now · 8–23 °C yr
- Luton19°C now · 7–22 °C yr
- Magherafelt16°C now · 7–18 °C yr
- Manchester17°C now · 7–20 °C yr
- Medway19°C now · 7–22 °C yr
- Merseyside18°C now · 8–20 °C yr
- Merthyr Tydfil17°C now · 7–20 °C yr
- Merton19°C now · 7–22 °C yr
- Mid Ulster16°C now · 7–18 °C yr
- Middlesbrough17°C now · 7–19 °C yr
- Midlothian15°C now · 6–18 °C yr
- Milton Keynes19°C now · 7–22 °C yr
- Monmouthshire18°C now · 8–21 °C yr
- Moray15°C now · 5–17 °C yr
- Moyle15°C now · 8–16 °C yr
- Neath Port Talbot17°C now · 7–19 °C yr
- Newcastle upon Tyne17°C now · 7–20 °C yr
- Newham20°C now · 8–23 °C yr
- Newport18°C now · 8–21 °C yr
- Newry and Mourne16°C now · 8–18 °C yr
- Newtownabbey16°C now · 7–18 °C yr
- Norfolk19°C now · 7–21 °C yr
- North Ayrshire16°C now · 7–18 °C yr
- North Down15°C now · 8–16 °C yr
- North East Lincolnshire19°C now · 7–21 °C yr
- North Lanarkshire16°C now · 6–18 °C yr
- North Lincolnshire19°C now · 7–21 °C yr
- North Somerset19°C now · 8–21 °C yr
- North Tyneside17°C now · 7–20 °C yr
- North Yorkshire17°C now · 6–19 °C yr
- Northamptonshire19°C now · 7–22 °C yr
- Northumberland16°C now · 6–18 °C yr
- Nottingham18°C now · 7–22 °C yr
- Nottinghamshire19°C now · 7–22 °C yr
- Oldham17°C now · 6–19 °C yr
- Omagh16°C now · 7–18 °C yr
- Orkney Islands13°C now · 7–14 °C yr
- Outer Hebrides15°C now · 8–16 °C yr
- Oxfordshire19°C now · 7–22 °C yr
- Pembrokeshire17°C now · 9–18 °C yr
- Perth and Kinross15°C now · 5–17 °C yr
- Peterborough19°C now · 7–22 °C yr
- Plymouth18°C now · 8–20 °C yr
- Poole19°C now · 8–21 °C yr
- Portsmouth18°C now · 8–20 °C yr
- Powys16°C now · 6–19 °C yr
- Reading19°C now · 7–22 °C yr
- Redbridge20°C now · 8–23 °C yr
- Redcar and Cleveland16°C now · 7–18 °C yr
- Renfrewshire16°C now · 7–18 °C yr
- Rhondda Cynon Taf17°C now · 7–20 °C yr
- Richmond upon Thames19°C now · 7–22 °C yr
- Rochdale17°C now · 6–19 °C yr
- Rotherham18°C now · 7–21 °C yr
- Rutland19°C now · 7–22 °C yr
- Salford17°C now · 7–20 °C yr
- Sandwell18°C now · 7–21 °C yr
- Scottish Borders15°C now · 5–18 °C yr
- Sefton17°C now · 7–19 °C yr
- Sheffield17°C now · 6–20 °C yr
- Shetland Islands13°C now · 7–13 °C yr
- Shropshire18°C now · 7–20 °C yr
- Slough19°C now · 7–22 °C yr
- Solihull19°C now · 7–22 °C yr
- Somerset18°C now · 8–21 °C yr
- South Ayrshire15°C now · 7–17 °C yr
- South Gloucestershire19°C now · 8–22 °C yr
- South Lanarkshire15°C now · 6–17 °C yr
- South Tyneside17°C now · 7–20 °C yr
- Southampton19°C now · 8–22 °C yr
- Southend-on-Sea19°C now · 7–21 °C yr
- Southwark20°C now · 8–23 °C yr
- Staffordshire18°C now · 7–21 °C yr
- Stirling15°C now · 5–17 °C yr
- Stockport17°C now · 6–20 °C yr
- Stockton-on-Tees17°C now · 7–19 °C yr
- Stoke-on-Trent18°C now · 7–20 °C yr
- Strabane16°C now · 7–18 °C yr
- Suffolk19°C now · 7–21 °C yr
- Sunderland17°C now · 7–20 °C yr
- Surrey19°C now · 8–22 °C yr
- Sutton19°C now · 7–22 °C yr
- Swansea17°C now · 8–19 °C yr
- Swindon19°C now · 7–22 °C yr
- Tameside17°C now · 6–19 °C yr
- Telford and Wrekin18°C now · 7–21 °C yr
- Thurrock19°C now · 8–22 °C yr
- Torbay18°C now · 9–20 °C yr
- Torfaen18°C now · 7–21 °C yr
- Tower Hamlets20°C now · 8–23 °C yr
- Trafford17°C now · 7–20 °C yr
- Vale of Glamorgan18°C now · 8–20 °C yr
- Wakefield18°C now · 7–21 °C yr
- Walsall18°C now · 7–21 °C yr
- Waltham Forest20°C now · 7–23 °C yr
- Wandsworth19°C now · 7–22 °C yr
- Warrington18°C now · 7–20 °C yr
- Warwickshire19°C now · 7–22 °C yr
- West Berkshire19°C now · 7–22 °C yr
- West Dunbartonshire16°C now · 6–18 °C yr
- West Lothian16°C now · 6–18 °C yr
- West Sussex19°C now · 8–21 °C yr
- Westminster19°C now · 7–22 °C yr
- Wigan18°C now · 7–20 °C yr
- Wiltshire19°C now · 8–22 °C yr
- Windsor and Maidenhead19°C now · 7–22 °C yr
- Wokingham19°C now · 7–22 °C yr
- Wolverhampton18°C now · 7–21 °C yr
- Worcestershire19°C now · 7–22 °C yr
- Wrexham17°C now · 7–20 °C yr
- York18°C now · 7–21 °C yr
Safety · 5 governments
What the governments say about United Kingdom
Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 5 governments · Advisory last changed
See breakdown by countryHide breakdown
CA
Level 2Exercise increased caution
Exercise increased caution
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 1Exercise normal precautions
Exercise normal precautions
US
Level 2Exercise increased caution
Exercise increased caution
Climate at a glance · 10-year ERA5
A decade of weather, in one page
— daytime high— overnight low▬ typical range
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 6.7 | 2.4 | -1.9 | 10.6 |
| February | 7.7 | 2.9 | -1.1 | 11.8 |
| March | 9.2 | 3.5 | -0.3 | 13.6 |
| April | 11.5 | 4.5 | 0.6 | 16.6 |
| May | 15.0 | 7.7 | 3.4 | 19.7 |
| June | 17.6 | 10.7 | 7.5 | 23.1 |
| July | 19.0 | 12.4 | 9.8 | 24.1 |
| August | 18.8 | 12.3 | 9.3 | 22.8 |
| September | 16.7 | 10.4 | 5.7 | 21.0 |
| October | 13.2 | 8.1 | 3.7 | 16.7 |
| November | 9.4 | 4.9 | -0.1 | 13.2 |
| December | 7.7 | 3.8 | -1.3 | 11.6 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 92 |
| February | 91 |
| March | 85 |
| April | 61 |
| May | 69 |
| June | 82 |
| July | 88 |
| August | 89 |
| September | 95 |
| October | 113 |
| November | 98 |
| December | 107 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 2.0 |
| February | 3.1 |
| March | 4.4 |
| April | 6.2 |
| May | 6.7 |
| June | 6.2 |
| July | 5.5 |
| August | 5.1 |
| September | 4.2 |
| October | 3.0 |
| November | 2.2 |
| December | 1.4 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 17.7 | 9.5 | 28.8 |
| February | 19.6 | 10.3 | 30.3 |
| March | 16.8 | 9.1 | 27.7 |
| April | 14.7 | 8.6 | 22.8 |
| May | 13.7 | 8.1 | 21.6 |
| June | 14.2 | 7.9 | 22.8 |
| July | 13.5 | 8.1 | 20.6 |
| August | 14.4 | 8.1 | 22.8 |
| September | 15.1 | 8.3 | 23.7 |
| October | 17.0 | 9.2 | 25.3 |
| November | 16.9 | 9.3 | 26.7 |
| December | 17.9 | 8.9 | 28.9 |
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Snow depth
Snow depth for United Kingdom is part of the Premium map and its district-level detail. See what Premium includes.
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Sea surface temperature
Sea surface temperature for United Kingdom is part of the Premium map and its district-level detail. See what Premium includes.
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Heat index
Heat index for United Kingdom is part of the Premium map and its district-level detail. See what Premium includes.
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Humidity
Humidity for United Kingdom is part of the Premium map and its district-level detail. See what Premium includes.
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