Average temperature in September is 17 °C
Average daytime temperature is 21.1 °C
Average night temperature is 14.1 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 8.9 °C
Number of sunny days: 16
Number of rainy days: 14
Number of snow days:
Precipitation sum: 68 mm
* Weather data for Sand River United States 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 | 25.7 | 30 | 30.7 | 33.6 | 29.9 | 24.6 | 15.6 | 15 | 17.6 | 15.9 | 15.4 | 14.1 | 13.8 | 20 | 23.4 | 17.8 | 14.4 | 14.9 | 20.6 | 24.3 | 24.2 | 25.5 | 21.9 | 21.7 | 20.8 | 18.7 | 19 | 18.9 | 22.6 | 21.9 |
| Apparent max temperature | 24 | 34.4 | 35.6 | 35.9 | 32 | 24.8 | 13.4 | 13.8 | 17.9 | 15.9 | 15 | 12.2 | 12.9 | 18.2 | 22 | 17.5 | 14.3 | 14.3 | 20 | 25.3 | 26.1 | 28.1 | 22.2 | 19.9 | 20.9 | 18.3 | 17.3 | 18.7 | 20.8 | 23.4 |
| Mean temperature | 18.7 | 23.5 | 25.2 | 26 | 25 | 19.5 | 13.7 | 13.8 | 13.9 | 14.3 | 14.7 | 12.7 | 12.2 | 13.9 | 16.8 | 15.3 | 13.6 | 13.4 | 13.7 | 17.7 | 19.1 | 19.8 | 18.9 | 17.4 | 16.9 | 16.3 | 16.1 | 15 | 16 | 17.2 |
| Apparent mean temperature | 12.6 | 17.1 | 22.5 | 23.3 | 21.9 | 10.8 | 9.9 | 10 | 9.9 | 12.7 | 10.8 | 8.1 | 8.7 | 8.2 | 10.3 | 11.9 | 10.5 | 10.6 | 7.1 | 11.7 | 16.1 | 15.8 | 16.7 | 12.6 | 12.5 | 12.8 | 12 | 10.3 | 11.4 | 13.5 |
| Minimum temperature | 14.5 | 20.3 | 22.3 | 21.5 | 22.1 | 14.3 | 12.5 | 12.6 | 10.8 | 12.9 | 13.5 | 11.6 | 11 | 9.8 | 13.5 | 12.8 | 12.7 | 12.2 | 8.9 | 13.7 | 16.3 | 15.6 | 16.4 | 13.7 | 14.4 | 13.7 | 13.5 | 10.8 | 11.8 | 14.4 |
| Apparent min temperature | 17 | 23.2 | 26.9 | 28.8 | 25.7 | 19.7 | 10.9 | 12 | 13.4 | 14.3 | 13.6 | 9.8 | 10.7 | 12.6 | 14.1 | 14.3 | 12.1 | 11.9 | 12.2 | 17.1 | 19.7 | 21 | 19.4 | 15.9 | 15.9 | 15.5 | 14.6 | 14.2 | 14.9 | 16.8 |
| 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) | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 | 13.1 | 13 | 13 | 12.9 | 12.9 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12 | 12 | 11.9 | 11.9 | 11.8 | 11.8 |
| Sunshine duration (h) | 12.3 | 11 | 10.9 | 12.1 | 11.6 | 0 | 0.3 | 10.8 | 11.7 | 0.9 | 10 | 5.8 | 7.8 | 11.4 | 9.3 | 11 | 11.5 | 11.3 | 11.4 | 10.3 | 11.2 | 11.1 | 4 | 10.9 | 6.1 | 9.7 | 10.8 | 10.3 | 9.3 | 5.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 11.5 | 6 | 1.6 | 0 | 6.8 | 6.1 | 2.8 | 6.2 | 0 | 0.8 | 0.3 | 0.6 | 1.2 | 0 | 0 | 0 | 0.6 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 23.6 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 12 | 22 | 12 | 0 | 10 | 17 | 12 | 14 | 0 | 2 | 3 | 3 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12 |
| Wind speed (m/s) | 24.6 | 29.5 | 21.4 | 16.4 | 26.6 | 31.2 | 26.8 | 19.1 | 11.9 | 11.8 | 21.9 | 22.3 | 20 | 15.9 | 24.9 | 20.6 | 19.9 | 15.5 | 16.9 | 17.7 | 17.3 | 14.4 | 14.5 | 18.7 | 17.1 | 16.9 | 16.5 | 15.4 | 22.9 | 21.3 |
In September 2023, the highest daytime temperature in Sand River was 33.6°C.
While the minimum temperature at night dropped to 8.9°C.
The average nighttime and daytime temperatures during September in Sand River are 14.1°C and 21.1°C respectively.
The precipitation sum in September is about 68 mm.