Average temperature in September is 21.4 °C
Average daytime temperature is 27.7 °C
Average night temperature is 16.3 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 9.5 °C
Number of sunny days: 21
Number of rainy days: 9
Number of snow days:
Precipitation sum: 42 mm
* Weather data for Fontanelle 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 | 31.5 | 34.3 | 34.9 | 34.5 | 32.1 | 26.3 | 26.5 | 28.3 | 29.8 | 26.8 | 23.2 | 24.5 | 26 | 26.1 | 24 | 25.1 | 23.2 | 30 | 31.3 | 28.1 | 26.8 | 24.9 | 24.9 | 24.5 | 24.2 | 21.6 | 23 | 28.1 | 33 | 33 |
| Apparent max temperature | 31.2 | 35.4 | 33.8 | 34.1 | 30.6 | 23.3 | 26.4 | 29.3 | 30 | 26.9 | 21.2 | 23.5 | 23.6 | 23 | 22.1 | 22.3 | 23.4 | 27.2 | 31.1 | 26.8 | 26 | 24.1 | 25.2 | 22.9 | 22.6 | 20.5 | 22.7 | 26.4 | 31.4 | 31.6 |
| Mean temperature | 24.1 | 26.7 | 28.4 | 28.3 | 28 | 20.4 | 19.2 | 21.4 | 22.6 | 20.8 | 17.9 | 17 | 19.2 | 20.8 | 19 | 18.7 | 17.1 | 20.1 | 25.5 | 22.4 | 21.4 | 20 | 20.3 | 18.4 | 18.5 | 17.5 | 16.6 | 19.6 | 26 | 27 |
| Apparent mean temperature | 16.9 | 20.7 | 21.7 | 22.2 | 24.4 | 12.7 | 10.7 | 15.4 | 15.5 | 17.2 | 13.5 | 8.6 | 11.4 | 12.8 | 14.6 | 13.9 | 9.4 | 12.1 | 19.4 | 17.2 | 15.9 | 16.2 | 17.9 | 10.5 | 12.7 | 11.9 | 10.7 | 13.4 | 20.5 | 19.5 |
| Minimum temperature | 18.7 | 21.4 | 23.3 | 23.4 | 23.1 | 15.4 | 12.3 | 15.3 | 15.9 | 17 | 13.8 | 9.5 | 13.6 | 15.4 | 17 | 14.1 | 10.5 | 14.5 | 19.3 | 16.9 | 16.9 | 16.5 | 17.5 | 12.8 | 13.4 | 12.8 | 11.2 | 14.4 | 21.5 | 20.3 |
| Apparent min temperature | 22.8 | 26.5 | 27.2 | 27.1 | 27.1 | 17.1 | 17.7 | 21.5 | 22.4 | 21.1 | 16.9 | 15.5 | 16.9 | 17.9 | 18 | 17.7 | 15.9 | 17.7 | 23.8 | 21.7 | 20.4 | 19.4 | 20.8 | 17 | 17.7 | 16.6 | 16.3 | 18.5 | 24.8 | 26 |
| 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) | 13.1 | 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) | 12.2 | 12.2 | 12.2 | 12.1 | 12 | 11.9 | 11.2 | 11 | 11.2 | 5.4 | 10.2 | 11.6 | 11.6 | 10.5 | 1.9 | 9.1 | 11.4 | 10.2 | 10 | 9.2 | 7.4 | 2.5 | 7.6 | 10.6 | 11 | 11 | 10.9 | 10.9 | 10.8 | 10.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.4 | 1.4 | 0 | 0 | 0 | 4.8 | 1.9 | 0 | 0 | 0 | 1.6 | 1.4 | 3.5 | 8.7 | 0 | 0 | 0 | 0 | 0 | 0 | 2.3 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 2 | 0 | 0 | 0 | 9 | 2 | 0 | 0 | 0 | 5 | 4 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Wind speed (m/s) | 26 | 24.8 | 24.4 | 30 | 27.5 | 31.9 | 13.9 | 9.2 | 12.4 | 16.8 | 17.3 | 9.2 | 17.8 | 22.9 | 15 | 21.4 | 16.6 | 30 | 25.9 | 28.2 | 21.5 | 19.5 | 29.7 | 21.8 | 18.9 | 15.5 | 10.3 | 25.1 | 29.9 | 27.9 |
In September 2023, the highest daytime temperature in Fontanelle was 34.9°C.
While the minimum temperature at night dropped to 9.5°C.
The average nighttime and daytime temperatures during September in Fontanelle are 16.3°C and 27.7°C respectively.
The precipitation sum in September is about 42 mm.