Average temperature in September is 28.7 °C
Average daytime temperature is 34.5 °C
Average night temperature is 24.1 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 20.7 °C
Number of sunny days: 14
Number of rainy days: 16
Number of snow days:
Precipitation sum: 61 mm
* Weather data for Waller 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 | 37.1 | 37.2 | 37 | 35.1 | 37.4 | 38.2 | 38.9 | 40.8 | 38 | 35.5 | 35.1 | 35.9 | 34.7 | 31 | 30.7 | 29.8 | 31.1 | 31 | 31.6 | 33.1 | 33.8 | 34.9 | 34 | 35.8 | 31.4 | 32.3 | 32 | 32.9 | 33.1 | 34.7 |
| Apparent max temperature | 38.7 | 38.9 | 39.9 | 37.5 | 40.5 | 42.2 | 44.2 | 44.4 | 40.7 | 36.1 | 37 | 38.6 | 36.1 | 36.6 | 37.1 | 36.2 | 34.6 | 33.7 | 34.5 | 36.7 | 38.7 | 38.2 | 39.3 | 39.3 | 36.9 | 36.8 | 36.3 | 36.5 | 36.2 | 36.2 |
| Mean temperature | 30.8 | 31.4 | 31.5 | 30.2 | 30.8 | 31.4 | 32.2 | 33 | 30.5 | 29 | 28.6 | 29.9 | 29.2 | 26 | 25.5 | 25.2 | 26.1 | 26.2 | 25.8 | 27.3 | 28.2 | 29 | 28.9 | 29.5 | 27.6 | 26.9 | 26.2 | 27 | 27.6 | 28.5 |
| Apparent mean temperature | 26.5 | 28.2 | 30.3 | 29 | 31.1 | 32.5 | 32.1 | 32.3 | 27.7 | 24.9 | 21.4 | 27.8 | 28.8 | 26.9 | 25.7 | 27.1 | 25.5 | 22.3 | 21.4 | 25.7 | 28.4 | 29.1 | 30 | 30.1 | 29.3 | 26.3 | 26.4 | 27.8 | 26 | 27.9 |
| Minimum temperature | 24.4 | 25.4 | 26.5 | 25.9 | 26.5 | 26.1 | 27.2 | 27.3 | 24.3 | 24.8 | 21.5 | 24.9 | 25.7 | 23.1 | 22.3 | 22.6 | 21.9 | 20.8 | 20.7 | 22.6 | 23.9 | 24.2 | 24.9 | 25.4 | 25.3 | 22.9 | 22.5 | 23.4 | 22.3 | 23.6 |
| Apparent min temperature | 32.2 | 33.1 | 34.1 | 33.4 | 34.7 | 36 | 36.2 | 36.2 | 34 | 30.4 | 28.4 | 32.1 | 32.1 | 31 | 30.2 | 30.1 | 29.6 | 27.9 | 27.2 | 29.7 | 32.2 | 33.1 | 33.2 | 33.7 | 31.8 | 31.2 | 30.2 | 31 | 30.8 | 31.4 |
| 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) | 12.8 | 12.7 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12 | 12 | 12 | 11.9 | 11.9 |
| Sunshine duration (h) | 10.8 | 11.7 | 11.7 | 11.6 | 11.5 | 11.6 | 11.6 | 11.6 | 10.3 | 11.2 | 11.5 | 11 | 10.5 | 5.1 | 10.7 | 7.9 | 10.9 | 11.4 | 11.4 | 11.3 | 11.3 | 11.2 | 11.2 | 9.9 | 5.7 | 11.1 | 10.1 | 9.5 | 11 | 10.8 |
| Precipitation (mm) | 0 | 0 | 0 | 1.7 | 0.1 | 0 | 0 | 0 | 0.1 | 0.2 | 0 | 0 | 9.5 | 26.7 | 9.5 | 5.2 | 1.1 | 0 | 0 | 0 | 0.4 | 0.5 | 0.6 | 0 | 4.1 | 0.2 | 0.5 | 0 | 0.5 | 0 |
| Precipitation hours | 0 | 0 | 0 | 5 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 6 | 14 | 9 | 7 | 5 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 8 | 1 | 2 | 0 | 3 | 0 |
| Wind speed (m/s) | 13.5 | 16.4 | 18.1 | 23.2 | 19.5 | 25.6 | 18 | 21.2 | 18.6 | 13.9 | 13.5 | 10.1 | 15.1 | 16.1 | 12.3 | 13 | 9.5 | 11.8 | 16.1 | 19.7 | 16.6 | 15.8 | 17.3 | 16.3 | 19.8 | 14.9 | 11.8 | 16.6 | 14.5 | 17 |
In September 2023, the highest daytime temperature in Waller was 40.8°C.
While the minimum temperature at night dropped to 20.7°C.
The average nighttime and daytime temperatures during September in Waller are 24.1°C and 34.5°C respectively.
The precipitation sum in September is about 61 mm.