Average temperature in September is 18 °C
Average daytime temperature is 22.4 °C
Average night temperature is 14.5 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: 8.6 °C
Number of sunny days: 11
Number of rainy days: 19
Number of snow days:
Precipitation sum: 172 mm
* Weather data for Westbrookville 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 | 22.3 | 26.1 | 29.5 | 29.8 | 31.7 | 31.9 | 31.1 | 28.2 | 24.6 | 22.9 | 25.5 | 26 | 24.1 | 21.5 | 21.3 | 22.1 | 21.3 | 18.9 | 20.7 | 21 | 20.6 | 20.1 | 15.4 | 14.4 | 14.3 | 16.1 | 17.6 | 16.4 | 16 | 20 |
| Apparent max temperature | 23.5 | 27.3 | 31.1 | 33.3 | 34.7 | 36 | 34 | 31.6 | 29 | 26.3 | 29.6 | 27.8 | 26 | 21.1 | 21 | 20 | 21.1 | 20.6 | 18 | 20.2 | 21.4 | 18.3 | 14.8 | 12.4 | 13.1 | 14 | 16.4 | 15.7 | 15.4 | 21.1 |
| Mean temperature | 17 | 18.9 | 22.9 | 24.1 | 25.5 | 26.4 | 26 | 22.9 | 21.6 | 20.6 | 21.2 | 20.9 | 20.5 | 17.6 | 15.6 | 16.6 | 16.3 | 16.8 | 16 | 15.3 | 14.7 | 15.6 | 12.6 | 12.7 | 13.4 | 13.6 | 12.7 | 12.6 | 13.7 | 14.8 |
| Apparent mean temperature | 10.6 | 11.7 | 18.8 | 21.8 | 23 | 24.2 | 23.5 | 22.9 | 23.1 | 21.2 | 21.4 | 18.9 | 20.3 | 11.5 | 9.1 | 9.8 | 9.4 | 16.5 | 10.7 | 8.5 | 6.6 | 10.3 | 8.5 | 8.6 | 10.2 | 9 | 6.1 | 6.2 | 9.5 | 10.8 |
| Minimum temperature | 11.7 | 13.2 | 18.4 | 20 | 20.6 | 22.4 | 21.3 | 20.2 | 19.9 | 18.5 | 18.7 | 17.3 | 18.1 | 13.3 | 11.4 | 13 | 11.3 | 15.6 | 12.8 | 10.6 | 8.7 | 11.8 | 11.5 | 11.8 | 12.3 | 11.3 | 8.7 | 8.6 | 11.1 | 11.9 |
| Apparent min temperature | 16.5 | 18.7 | 24.1 | 26.6 | 28.4 | 29.3 | 28.3 | 26.2 | 25.2 | 23.4 | 24.5 | 23 | 22.3 | 16.7 | 13.8 | 14.2 | 15.1 | 18.2 | 14 | 13.8 | 13.5 | 14.1 | 10.5 | 10.3 | 11.8 | 11.4 | 10.9 | 11.1 | 12.8 | 14.3 |
| 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) | 13.1 | 13.1 | 13 | 13 | 13 | 12.9 | 12.9 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 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 | 12 | 11.9 | 11.9 | 11.8 |
| Sunshine duration (h) | 12 | 11 | 12 | 10.7 | 12 | 11.9 | 11.7 | 7.7 | 6.7 | 1.4 | 9.7 | 10.8 | 7 | 11.6 | 11.6 | 9.8 | 6.7 | 3.3 | 11.4 | 11.4 | 11.3 | 10.5 | 0 | 0 | 0.8 | 6.5 | 11 | 5.3 | 1.2 | 3.5 |
| Precipitation (mm) | 0 | 0 | 0.3 | 0.5 | 0 | 0 | 0.5 | 6.4 | 11.6 | 6 | 9.8 | 0.3 | 30.9 | 0 | 0 | 0 | 0.5 | 22.6 | 0.8 | 0 | 0 | 0 | 4.9 | 16.2 | 49 | 1.4 | 0 | 0.2 | 9.3 | 0.5 |
| Precipitation hours | 0 | 0 | 3 | 2 | 0 | 0 | 2 | 11 | 7 | 10 | 14 | 3 | 10 | 0 | 0 | 0 | 2 | 22 | 2 | 0 | 0 | 0 | 10 | 20 | 24 | 7 | 0 | 2 | 16 | 5 |
| Wind speed (m/s) | 14 | 11.7 | 14 | 14.1 | 14.2 | 12.2 | 16.3 | 12.4 | 7.4 | 11.1 | 7.7 | 10.4 | 10.3 | 14.7 | 16.9 | 19.1 | 19.6 | 10.5 | 22.8 | 13 | 11.8 | 16.8 | 20.9 | 22.5 | 20.7 | 19.2 | 12.4 | 12 | 14.6 | 14.8 |
In September 2023, the highest daytime temperature in Westbrookville was 31.9°C.
While the minimum temperature at night dropped to 8.6°C.
The average nighttime and daytime temperatures during September in Westbrookville are 14.5°C and 22.4°C respectively.
The precipitation sum in September is about 172 mm.