Average temperature in September is 20.3 °C
Average daytime temperature is 28.6 °C
Average night temperature is 13.3 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 8.8 °C
Number of sunny days: 21
Number of rainy days: 9
Number of snow days:
Precipitation sum: 10 mm
* Weather data for Ulundi 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 | 24.3 | 30.8 | 29.6 | 26.6 | 36.1 | 21.7 | 28 | 31.6 | 34.3 | 39.3 | 23 | 17.9 | 20.9 | 31.8 | 37.6 | 24.5 | 17.7 | 24.3 | 29.5 | 33.1 | 30.6 | 30.3 | 33.8 | 26 | 29.8 | 25.4 | 23.3 | 24.6 | 32.6 | 39.8 |
| Apparent max temperature | 23.6 | 30.2 | 29.5 | 27.2 | 34.5 | 19.8 | 27.2 | 28.1 | 33.4 | 37.5 | 21.7 | 13.6 | 17.5 | 30.3 | 34.9 | 23 | 16.8 | 22.2 | 29.3 | 31.7 | 30.1 | 30.8 | 34.6 | 26.2 | 27 | 24.6 | 22.4 | 23.6 | 33 | 36.3 |
| Mean temperature | 17.9 | 19.8 | 22.4 | 20.2 | 22.9 | 16.7 | 18.8 | 21.8 | 23.3 | 26.2 | 17 | 12.8 | 15.3 | 20.3 | 24.6 | 18 | 14.9 | 17.6 | 21 | 22 | 21.6 | 21.6 | 23.3 | 21.3 | 23.5 | 20 | 17.6 | 18.1 | 23.1 | 25.8 |
| Apparent mean temperature | 9 | 11.7 | 16.9 | 14.6 | 13.9 | 11.7 | 8.8 | 8.4 | 12.1 | 14.9 | 7.8 | 7.2 | 7.6 | 7.9 | 10.2 | 11.7 | 12.9 | 13.2 | 10.7 | 13.7 | 11.4 | 14.1 | 19.5 | 20.5 | 17.1 | 12.3 | 12.2 | 14 | 13.1 | 15.6 |
| Minimum temperature | 12 | 11.8 | 16.6 | 14.5 | 15.7 | 13 | 9.9 | 10.9 | 13.5 | 16.6 | 10.6 | 8.9 | 8.8 | 9.2 | 10.9 | 13.3 | 13.7 | 13.2 | 11.2 | 13.3 | 11.7 | 13.9 | 17.3 | 18.5 | 17.7 | 15.7 | 13.8 | 13.7 | 12.9 | 15.9 |
| Apparent min temperature | 16.6 | 19.9 | 22.6 | 20.6 | 22.7 | 14.9 | 17.6 | 19.5 | 22.2 | 25.5 | 15.6 | 9.7 | 13 | 19 | 22.1 | 16.6 | 14 | 16.5 | 20.9 | 20.5 | 21.5 | 22.4 | 25.1 | 22.3 | 22.7 | 17.8 | 16.3 | 18.1 | 23 | 23.8 |
| 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 | 11.6 | 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 | 11.9 | 12 | 12 | 12 | 12 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 |
| Sunshine duration (h) | 10 | 10.3 | 8.8 | 10.5 | 10 | 9.9 | 10.7 | 10.7 | 10.8 | 10.8 | 7.7 | 7.7 | 10.3 | 11 | 11.1 | 10 | 0.3 | 8.1 | 10 | 11.2 | 11.2 | 11.2 | 10.9 | 8 | 9.2 | 9.9 | 8.6 | 8.4 | 11.5 | 11.5 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.9 | 0 | 0 | 0 | 0 | 1.8 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0.5 | 2 | 0.3 | 0 | 2.5 | 0.2 | 0 | 0.1 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 8 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 2 | 0 | 8 | 2 | 0 | 1 |
| Wind speed (m/s) | 26.7 | 18.1 | 19.9 | 19.8 | 24.8 | 15.6 | 10.2 | 21.4 | 17.8 | 20.4 | 28 | 24 | 21.3 | 22.3 | 13.1 | 22.8 | 15 | 23.3 | 20.6 | 24.7 | 19.9 | 20.2 | 22.9 | 20.4 | 30.5 | 19.5 | 16.6 | 17.5 | 18.9 | 29 |
In September 2023, the highest daytime temperature in Ulundi was 39.8°C.
While the minimum temperature at night dropped to 8.8°C.
The average nighttime and daytime temperatures during September in Ulundi are 13.3°C and 28.6°C respectively.
The precipitation sum in September is about 10 mm.