Average temperature in September is 21.2 °C
Average daytime temperature is 27.1 °C
Average night temperature is 16 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 10.2 °C
Number of sunny days: 17
Number of rainy days: 13
Number of snow days:
Precipitation sum: 15 mm
* Weather data for Alsen 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 | 33 | 36.4 | 36 | 35.8 | 32.8 | 24.4 | 24.8 | 28.5 | 28.7 | 26.1 | 22.8 | 24 | 26.1 | 27.4 | 25.4 | 24 | 22.5 | 29.3 | 29 | 28.3 | 25.3 | 24.6 | 22.2 | 22.2 | 21.8 | 21.7 | 21.9 | 25.9 | 29.9 | 31.3 |
| Apparent max temperature | 32.4 | 36.3 | 36.1 | 34.4 | 31 | 20.7 | 24.1 | 29.2 | 29.3 | 26.4 | 21.4 | 21.9 | 24.1 | 23.8 | 24.8 | 23 | 22.4 | 28 | 29.4 | 28 | 24.3 | 23.4 | 22.3 | 21.3 | 20.5 | 20.9 | 21.2 | 23.6 | 29.8 | 31.1 |
| Mean temperature | 25.1 | 28.2 | 30.3 | 29.8 | 27.5 | 19.4 | 17.8 | 20.7 | 22.8 | 20 | 18 | 17.6 | 18.9 | 21.1 | 20.9 | 18.9 | 16.7 | 20.3 | 23.3 | 22.7 | 21.2 | 20.4 | 18.7 | 17.1 | 17.5 | 16.4 | 17.2 | 18.4 | 24 | 24 |
| Apparent mean temperature | 18 | 21.6 | 23 | 21.2 | 22.2 | 12.5 | 9.4 | 13.4 | 17.4 | 15 | 11.5 | 8.8 | 9.7 | 12.7 | 16.1 | 10.2 | 9 | 11.7 | 14.8 | 16.7 | 15.9 | 15.8 | 16.5 | 11.3 | 13 | 10.4 | 12.4 | 12.4 | 19.2 | 19.4 |
| Minimum temperature | 19.7 | 22.5 | 24.4 | 24.2 | 22.3 | 15 | 11.1 | 13.8 | 17.8 | 15.7 | 13.5 | 10.7 | 12.3 | 15.7 | 16.9 | 12.1 | 10.2 | 14.9 | 16.4 | 16.5 | 17.4 | 16.3 | 16.6 | 12.7 | 14 | 11.6 | 12.9 | 13.8 | 19.8 | 17.9 |
| Apparent min temperature | 23.7 | 27.6 | 29.2 | 27.9 | 26.4 | 16 | 16.3 | 20.2 | 22.7 | 19.4 | 16.7 | 15.5 | 16.3 | 18.2 | 20 | 17 | 15.6 | 17.6 | 22.5 | 22.4 | 19.9 | 19.3 | 19.1 | 16 | 16.6 | 15.5 | 16.6 | 17 | 23.2 | 24.5 |
| 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) | 13.2 | 13.1 | 13.1 | 13.1 | 13 | 13 | 12.9 | 12.9 | 12.8 | 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 | 12.1 | 12 | 12 | 11.9 | 11.9 | 11.8 | 11.8 |
| Sunshine duration (h) | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 11.6 | 11 | 11.4 | 9.4 | 6.6 | 11.3 | 10.6 | 11.5 | 11 | 6.2 | 10.9 | 11.4 | 11.2 | 11.3 | 11.2 | 5.5 | 8.2 | 2.1 | 10.1 | 10.1 | 10.5 | 6.8 | 10.9 | 8.2 | 10.7 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 1.2 | 0.1 | 0 | 0 | 0.1 | 0.1 | 0 | 0 | 0 | 0 | 0 | 3.1 | 1.6 | 5.6 | 1 | 0.9 | 0.1 | 0.4 | 0 | 0.1 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 13 | 6 | 6 | 1 | 4 | 0 | 1 | 0 |
| Wind speed (m/s) | 28.8 | 26 | 23.6 | 28.1 | 33 | 35.5 | 14.8 | 11.9 | 11.5 | 17.4 | 13.6 | 10.4 | 18.7 | 28.4 | 18 | 21.7 | 16.6 | 27.1 | 16 | 25.2 | 26.5 | 20.9 | 23.8 | 22.5 | 20.4 | 16.9 | 13.4 | 27.1 | 25.3 | 28 |
In September 2023, the highest daytime temperature in Alsen was 36.4°C.
While the minimum temperature at night dropped to 10.2°C.
The average nighttime and daytime temperatures during September in Alsen are 16°C and 27.1°C respectively.
The precipitation sum in September is about 15 mm.