Heard Island and McDonald Islands in September
Around 2 °C with 107 mm of rain and 4.9 hours of sun a day.
September is one of the strongest months to visit Heard Island and McDonald Islands. Around 2 °C with 107 mm of rain and 4.9 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.
Heard Island and McDonald Islands · typical month
- Day / night-1 – 2 °CYear range -1 – 5 °C
- Rainfall107 mmYear range 84 – 120 mm
- Sunshine4.9 hr / dayYear range 1.8 – 7.6 hr / day
Heard Island and McDonald Islands, taken apart
No advisory on file for Heard Island and McDonald Islands
None of the six governments we track publishes a country-wide advisory for Heard Island and McDonald Islands. That is not the same as a clean bill of health — check your own government’s guidance before you travel.
A decade of weather, in one page
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 3.9 | 2.5 | 1.3 | 5.8 |
| February | 4.6 | 3.0 | 1.5 | 6.7 |
| March | 4.4 | 2.8 | 1.0 | 6.7 |
| April | 4.1 | 2.2 | 0.7 | 6.7 |
| May | 3.1 | 1.2 | -0.8 | 5.6 |
| June | 2.7 | 0.6 | -1.3 | 5.0 |
| July | 2.1 | -0.1 | -2.5 | 4.7 |
| August | 1.8 | -0.3 | -2.6 | 4.4 |
| September | 1.6 | -0.5 | -2.8 | 3.9 |
| October | 1.7 | 0.0 | -2.1 | 3.8 |
| November | 2.6 | 1.0 | -0.3 | 4.9 |
| December | 3.3 | 1.9 | 0.8 | 5.2 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 84 |
| February | 91 |
| March | 95 |
| April | 114 |
| May | 120 |
| June | 116 |
| July | 115 |
| August | 120 |
| September | 107 |
| October | 99 |
| November | 94 |
| December | 86 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 7.1 |
| February | 5.1 |
| March | 4.2 |
| April | 3.2 |
| May | 2.4 |
| June | 1.8 |
| July | 2.2 |
| August | 3.2 |
| September | 4.9 |
| October | 6.4 |
| November | 7.3 |
| December | 7.6 |
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 39.7 | 21.1 | 54.4 |
| February | 41.1 | 24.3 | 56.7 |
| March | 41.1 | 21.9 | 56.4 |
| April | 42.2 | 24.6 | 57.8 |
| May | 42.4 | 23.8 | 59.6 |
| June | 44.2 | 21.1 | 62.3 |
| July | 44.7 | 25.8 | 62.2 |
| August | 44.5 | 27.3 | 60.1 |
| September | 46.5 | 27.5 | 62.5 |
| October | 42.9 | 25.7 | 59.8 |
| November | 39.7 | 21.0 | 56.6 |
| December | 39.1 | 21.1 | 57.2 |
Snow depth for Heard Island and McDonald Islands is part of the Premium map and its district-level detail. See what Premium includes.
Sea surface temperature for Heard Island and McDonald Islands is part of the Premium map and its district-level detail. See what Premium includes.
Heat index for Heard Island and McDonald Islands is part of the Premium map and its district-level detail. See what Premium includes.
Humidity for Heard Island and McDonald Islands is part of the Premium map and its district-level detail. See what Premium includes.
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