Average temperature in September is 23.7 °C
Average daytime temperature is 29.7 °C
Average night temperature is 18.7 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 17
Number of rainy days: 13
Number of snow days:
Precipitation sum: 45 mm
* Weather data for Keeling United States is based on climate observations for 2023 year
| Settembre (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 30.2 | 31 | 31.4 | 32.9 | 32.3 | 32.8 | 28.9 | 27.3 | 27.6 | 28.2 | 29.9 | 26.4 | 27.3 | 26.8 | 28.7 | 28.7 | 26.8 | 26 | 28.2 | 31.3 | 29.8 | 29.9 | 30.4 | 31.2 | 30.7 | 31.9 | 32.3 | 30.2 | 31.2 | 30.6 |
| Apparent max temperature | 33.5 | 34.1 | 36.5 | 38.2 | 36.5 | 37.4 | 33.6 | 28.8 | 29 | 29.6 | 32.8 | 29.3 | 27.9 | 25.3 | 30.3 | 30 | 26.2 | 26.3 | 29.4 | 31.9 | 31.7 | 32 | 32.4 | 33.1 | 32.7 | 33.3 | 34.6 | 33.7 | 33.8 | 32.1 |
| Mean temperature | 22.7 | 25.7 | 25.9 | 27.3 | 26.4 | 26.3 | 24.3 | 22.1 | 23 | 22.6 | 23.6 | 22.4 | 22.4 | 21.5 | 21.3 | 23.2 | 21.7 | 20.8 | 21 | 22.9 | 23.5 | 24.1 | 24.2 | 24.4 | 24.5 | 24.2 | 25 | 25.1 | 25.1 | 25.2 |
| Apparent mean temperature | 17.2 | 25.4 | 24.6 | 25.8 | 25.5 | 26.3 | 20.1 | 18.3 | 19.1 | 18.3 | 18.7 | 19.9 | 20.2 | 15.8 | 14.1 | 18.5 | 16.3 | 14.2 | 14.1 | 17.7 | 19.5 | 18.8 | 18.1 | 18.8 | 18.1 | 17.4 | 19 | 22.2 | 21.6 | 21.3 |
| Minimum temperature | 16.7 | 22.1 | 22 | 23.4 | 22.8 | 23.1 | 19.1 | 17.2 | 18.8 | 18.3 | 17.9 | 19.3 | 19.4 | 17.3 | 15.2 | 18.4 | 16.4 | 14.1 | 14.8 | 18.3 | 19 | 18.7 | 17.6 | 19.1 | 18.4 | 16.7 | 18.2 | 20.9 | 19.9 | 19.2 |
| Apparent min temperature | 24.2 | 28.8 | 29.7 | 30.7 | 30 | 30.3 | 26.5 | 23.3 | 23.9 | 23.1 | 25.5 | 24.1 | 23.1 | 20 | 21.2 | 23.5 | 21.5 | 20.9 | 21 | 22.9 | 25.2 | 25 | 25.5 | 25.3 | 25.6 | 25.3 | 26.3 | 27 | 26.9 | 27.1 |
| Settembre | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12 | 12 | 11.9 | 11.9 | 11.9 |
| Sunshine duration (h) | 12 | 7.6 | 12 | 12 | 10.3 | 10.2 | 11.9 | 10.7 | 10 | 11.8 | 11.8 | 7.7 | 9.1 | 10.7 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 10.5 | 10.8 | 11.4 | 11.3 | 10.7 | 10.8 | 11.1 | 11.1 | 10.9 | 10.9 | 10.8 |
| Precipitation (mm) | 0 | 0.7 | 1 | 2.1 | 19.1 | 4.9 | 0.3 | 0 | 0 | 1.2 | 0 | 6.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 4.1 | 0 | 0 | 0 | 3.1 | 0 | 0.1 | 1.8 | 0 | 0 |
| Precipitation hours | 0 | 7 | 8 | 5 | 13 | 5 | 1 | 0 | 0 | 7 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 2 | 0 | 1 | 2 | 0 | 0 |
| Wind speed (m/s) | 10.1 | 14.4 | 9.7 | 12.7 | 15.2 | 14.8 | 11.4 | 11.6 | 15.8 | 14 | 8.4 | 16.9 | 13.7 | 17.9 | 10.5 | 14.1 | 14.9 | 12.3 | 9.7 | 17.5 | 14.5 | 11.9 | 8.4 | 10.3 | 13 | 8.7 | 9.2 | 17.7 | 13.4 | 10.7 |
In September 2023, the highest daytime temperature in Keeling was 32.9°C.
While the minimum temperature at night dropped to 14.1°C.
The average nighttime and daytime temperatures during September in Keeling are 18.7°C and 29.7°C respectively.
The precipitation sum in September is about 45 mm.