NL
Level 2Exercise increased caution
Exercise increased caution
Antarctica · Month guide
Antarctica in September
Around -42 °C with 11 mm of rain and 2.2 hours of sun a day.
September is a challenging month for Antarctica overall; regional choices matter most. Around -42 °C with 11 mm of rain and 2.2 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
Antarctica · September
What the weather usually does
Antarctica · typical month
- Day / night-47 – -42 °CYear range -48 – -21 °C
- Rainfall11 mmYear range 9 – 15 mm
- Sunshine2.2 hr / dayYear range 0.0 – 23.4 hr / day
2 regions · current month
Antarctica, taken apart
Safety · 2 governments
What the governments say about Antarctica
Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 2 governments · Advisory last changed
See breakdown by countryHide breakdown
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 | -21.3 | -25.7 | -28.8 | -18.3 |
| February | -27.9 | -32.8 | -37.9 | -23.4 |
| March | -35.8 | -40.7 | -45.1 | -30.5 |
| April | -39.7 | -44.4 | -47.9 | -34.8 |
| May | -40.2 | -45.1 | -48.4 | -35.3 |
| June | -41.4 | -46.2 | -50.5 | -36.1 |
| July | -42.4 | -47.5 | -51.6 | -36.8 |
| August | -42.4 | -47.2 | -52.5 | -35.9 |
| September | -42.0 | -46.9 | -51.5 | -35.8 |
| October | -35.9 | -41.2 | -46.0 | -30.6 |
| November | -27.2 | -32.0 | -37.8 | -21.9 |
| December | -20.6 | -24.8 | -27.9 | -17.5 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 9 |
| February | 10 |
| March | 13 |
| April | 12 |
| May | 15 |
| June | 13 |
| July | 13 |
| August | 11 |
| September | 11 |
| October | 11 |
| November | 10 |
| December | 9 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 22.6 |
| February | 17.1 |
| March | 4.8 |
| April | 1.4 |
| May | 0.0 |
| June | 0.0 |
| July | 0.0 |
| August | 1.1 |
| September | 2.2 |
| October | 12.7 |
| November | 21.4 |
| December | 23.4 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 19.5 | 16.1 | 23.9 |
| February | 22.1 | 17.3 | 27.4 |
| March | 25.2 | 20.6 | 30.0 |
| April | 27.0 | 22.9 | 32.1 |
| May | 28.2 | 23.4 | 33.5 |
| June | 28.5 | 23.3 | 34.7 |
| July | 28.8 | 23.2 | 34.4 |
| August | 28.9 | 24.0 | 34.4 |
| September | 28.2 | 24.0 | 33.7 |
| October | 26.8 | 22.2 | 32.2 |
| November | 23.3 | 18.4 | 28.9 |
| December | 20.0 | 15.0 | 26.6 |
Premium · four more variables
Unlock Premium →Premium
Snow depth
Snow depth for Antarctica is part of the Premium map and its district-level detail. See what Premium includes.
Premium
Sea surface temperature
Sea surface temperature for Antarctica is part of the Premium map and its district-level detail. See what Premium includes.
Premium
Heat index
Heat index for Antarctica is part of the Premium map and its district-level detail. See what Premium includes.
Premium
Humidity
Humidity for Antarctica is part of the Premium map and its district-level detail. See what Premium includes.
Same climate · neighbouring countries
If you like Antarctica, also consider
Start free
Plan a September trip to Antarctica.
No card required. Upgrade to Premium whenever you want more depth.