Average temperature in September is 18.4 °C
Average daytime temperature is 22.3 °C
Average night temperature is 15.1 °C
Absolute maximum temperature: 31.1 °C
Absolute minimum temperature: 10.6 °C
Number of sunny days: 17
Number of rainy days: 13
Number of snow days:
Precipitation sum: 19 mm
* Weather data for County Line 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 | 23.2 | 26 | 28.9 | 29.5 | 29.8 | 31.1 | 28.3 | 23.2 | 19.8 | 21.9 | 22.5 | 24.2 | 19.7 | 18.3 | 19.3 | 21.2 | 22 | 19.7 | 18.8 | 18.3 | 21.3 | 22 | 20.1 | 19.1 | 19.5 | 19 | 20.1 | 20.4 | 20.4 | 21.6 |
| Apparent max temperature | 24.6 | 26.6 | 31.1 | 34 | 34.5 | 34.6 | 31.5 | 26.9 | 19.5 | 22.9 | 23.7 | 24.2 | 18.7 | 15.9 | 19.1 | 20.6 | 22.1 | 19.6 | 16.5 | 17.1 | 21.1 | 21.2 | 18.3 | 16.5 | 18 | 16.8 | 17.7 | 18.7 | 20.3 | 22.3 |
| Mean temperature | 18 | 19.8 | 22.9 | 25 | 24.9 | 26.2 | 24 | 20.1 | 18.6 | 19.2 | 19.4 | 19.1 | 17.4 | 15.9 | 16.3 | 16.1 | 17.3 | 17 | 16.1 | 15.4 | 15.5 | 16 | 16.3 | 16.3 | 17.1 | 16.3 | 15.3 | 15.4 | 16.7 | 17.8 |
| Apparent mean temperature | 13.1 | 14.6 | 19.2 | 22.6 | 22.1 | 24.1 | 23.9 | 18.4 | 17.5 | 18.9 | 17.6 | 16 | 14.3 | 12 | 13.6 | 10.1 | 12.7 | 14.8 | 11.8 | 9.1 | 9.2 | 9.3 | 11.7 | 11.3 | 14.9 | 11.9 | 9.7 | 10.2 | 13.2 | 13.8 |
| Minimum temperature | 12.8 | 16 | 18.8 | 21.9 | 20.3 | 21.7 | 21.3 | 18.5 | 17.9 | 17.4 | 16.2 | 16.2 | 14.8 | 13.7 | 13.9 | 11.6 | 13.2 | 15 | 13.7 | 10.6 | 11 | 10.8 | 13 | 13.6 | 15.3 | 13.6 | 11.5 | 12.2 | 14.1 | 13.7 |
| Apparent min temperature | 18.3 | 19.3 | 23.4 | 26.8 | 27.7 | 29.2 | 26.9 | 20.8 | 18.7 | 20.8 | 20.9 | 19.1 | 16.6 | 14.2 | 16.1 | 15.2 | 16.9 | 17.1 | 14.3 | 14.3 | 14.2 | 14.6 | 15 | 14.3 | 16.3 | 14.4 | 13.1 | 13.4 | 16.4 | 18.3 |
| 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) | 13.2 | 13.2 | 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) | 12.2 | 7.7 | 10.9 | 12 | 11.9 | 11.9 | 11 | 4.4 | 0.1 | 7 | 11.4 | 2 | 11.7 | 11.6 | 11.6 | 11.6 | 10.5 | 10.9 | 11.4 | 11.4 | 11.3 | 11.3 | 7.9 | 8.2 | 11.1 | 9.8 | 10 | 8.6 | 9.6 | 10.8 |
| Precipitation (mm) | 0 | 0.1 | 0 | 0.1 | 0 | 0 | 4.8 | 0.6 | 0 | 1.6 | 0.4 | 0.8 | 0.5 | 0 | 0 | 0 | 0 | 7.8 | 0.9 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0.9 | 0.1 |
| Precipitation hours | 0 | 1 | 0 | 1 | 0 | 0 | 7 | 4 | 0 | 7 | 4 | 3 | 4 | 0 | 0 | 0 | 0 | 11 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 1 |
| Wind speed (m/s) | 12 | 22.9 | 26.3 | 24.7 | 19.1 | 12.9 | 15.4 | 15.9 | 16.1 | 10.9 | 10.9 | 20.4 | 19.9 | 15.6 | 9.8 | 13.8 | 11.8 | 14.6 | 18.9 | 10.7 | 12.1 | 18.8 | 20.6 | 24.2 | 20.2 | 22.7 | 21.9 | 21.3 | 14.3 | 12.7 |
In September 2023, the highest daytime temperature in County Line was 31.1°C.
While the minimum temperature at night dropped to 10.6°C.
The average nighttime and daytime temperatures during September in County Line are 15.1°C and 22.3°C respectively.
The precipitation sum in September is about 19 mm.