Average temperature in September is 14.1 °C
Average daytime temperature is 21.6 °C
Average night temperature is 6.3 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -1.8 °C
Number of sunny days: 24
Number of rainy days: 6
Number of snow days:
Precipitation sum: 45 mm
* Weather data for De Aar South Africa is based on climate observations for 2023 year
| September (°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 | 19.8 | 17.7 | 22.5 | 22.7 | 14.6 | 17.7 | 22.9 | 26.7 | 33.6 | 22.4 | 12.6 | 15.3 | 23.5 | 23.9 | 22.7 | 16.6 | 19.5 | 24.3 | 25.8 | 22.8 | 25 | 26.6 | 29.9 | 20.3 | 12.6 | 15.3 | 18.8 | 23 | 26.6 | 23.8 |
| Apparent max temperature | 15.6 | 13.2 | 16.9 | 16.7 | 8.9 | 13.3 | 18.6 | 21.9 | 26.3 | 17.1 | 6.3 | 10.1 | 18.2 | 16.2 | 15.7 | 10.9 | 16.6 | 20.3 | 20.4 | 18.8 | 19.9 | 21.7 | 25 | 16.6 | 7.2 | 10.1 | 16.7 | 21.3 | 21.9 | 18.6 |
| Mean temperature | 12.7 | 10.6 | 14.4 | 14.3 | 9.7 | 8.1 | 14.1 | 17.2 | 24.5 | 16.6 | 6.7 | 6.8 | 15.5 | 16.1 | 14.5 | 10.2 | 10.9 | 15 | 17.5 | 14.6 | 16.5 | 18.1 | 19.6 | 15.6 | 9 | 10.7 | 11.3 | 15 | 19.2 | 17 |
| Apparent mean temperature | 1.6 | -0.7 | 4.6 | -0.4 | -2 | -5.5 | 1.1 | 2.4 | 9.5 | 5.5 | -3.5 | -5.9 | 1.7 | 5.5 | 2.3 | 1.1 | -1.4 | -0.5 | 4.7 | 2.2 | 2.8 | 5.4 | 6.3 | 5.3 | 0.3 | 2.6 | 0 | 3.7 | 7.8 | 6.2 |
| Minimum temperature | 4.6 | 3.3 | 8.8 | 3.4 | 2.1 | -1.6 | 5.7 | 7.1 | 15.9 | 9.4 | 1.5 | -1.8 | 6.2 | 10 | 6.8 | 5.5 | 2.6 | 2.9 | 9.2 | 6.3 | 7.1 | 9.4 | 10.6 | 8.6 | 6.3 | 6.3 | 4.4 | 6.3 | 11.1 | 9.7 |
| Apparent min temperature | 8.9 | 6.3 | 9.8 | 9.6 | 4.4 | 3.9 | 9.8 | 12.4 | 17.7 | 11.7 | 1.4 | 2 | 10.1 | 10.4 | 8.6 | 5.3 | 7.2 | 10.9 | 12.5 | 10.4 | 11.9 | 13.8 | 16.1 | 12.8 | 3.7 | 5.7 | 7.7 | 12.9 | 15.1 | 12.1 |
| September | 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) | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 12 | 12 | 12 | 12 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.4 |
| Sunshine duration (h) | 10.3 | 10.7 | 9.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 11 | 11.1 | 11.1 | 11.2 | 11.2 | 11.3 | 10 | 5.9 | 5.7 | 6.5 | 11.5 | 11.5 | 11.5 | 11.6 |
| Precipitation (mm) | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 30.3 | 5.1 | 0.2 | 0 | 0 | 0 | 0 |
| Precipitation hours | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 18 | 13 | 2 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 20.3 | 14 | 25.6 | 26.5 | 28.7 | 13.9 | 15.8 | 18.3 | 42.3 | 30.7 | 32.7 | 18.5 | 34.9 | 35.5 | 36.6 | 26.5 | 11.7 | 15.8 | 25.5 | 17.9 | 25.6 | 22.1 | 29.8 | 36.4 | 44.5 | 35.3 | 22.7 | 13.8 | 26.3 | 34.7 |
In September 2023, the highest daytime temperature in De Aar was 33.6°C.
While the minimum temperature at night dropped to -1.8°C.
The average nighttime and daytime temperatures during September in De Aar are 6.3°C and 21.6°C respectively.
The precipitation sum in September is about 45 mm.