Average temperature in September is 18 °C
Average daytime temperature is 22.6 °C
Average night temperature is 14.3 °C
Absolute maximum temperature: 31 °C
Absolute minimum temperature: 6.1 °C
Number of sunny days: 17
Number of rainy days: 13
Number of snow days:
Precipitation sum: 98 mm
* Weather data for Grand Beach 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 | 22.5 | 24.6 | 27.3 | 27.4 | 31 | 29.3 | 29.7 | 24.9 | 28.1 | 21.7 | 23.5 | 23.7 | 23.8 | 23.7 | 20.3 | 19.8 | 24.6 | 18.8 | 22.3 | 22.8 | 22.5 | 19.1 | 15.9 | 16.7 | 19.1 | 17.8 | 19 | 20.2 | 18.2 | 19.7 |
| Apparent max temperature | 23.9 | 26.4 | 31.4 | 32 | 35.6 | 34 | 34.7 | 28.2 | 31 | 25.3 | 26.8 | 26.9 | 26.2 | 24.3 | 17.9 | 16.1 | 25.3 | 20.2 | 20.7 | 23.2 | 21.8 | 19.4 | 15.2 | 16.4 | 17.4 | 16.8 | 18.5 | 20.7 | 17.9 | 19.9 |
| Mean temperature | 16.8 | 18.1 | 20.9 | 21.1 | 24.3 | 24.9 | 24.4 | 22.8 | 23.4 | 20 | 20.2 | 20.6 | 20.1 | 19.9 | 16.5 | 17.1 | 19.3 | 16.6 | 17 | 17.6 | 16.4 | 15 | 12.8 | 13.8 | 15.1 | 13.5 | 12.7 | 12.4 | 12 | 14.2 |
| Apparent mean temperature | 9.8 | 11.5 | 16.8 | 18 | 21.7 | 23.5 | 22.4 | 21.9 | 22.7 | 18.8 | 20.6 | 21.1 | 20.5 | 17.6 | 11.2 | 10 | 11.7 | 13.7 | 11.1 | 12.2 | 9.6 | 10.2 | 8.3 | 11.2 | 12.6 | 7.3 | 6.4 | 4.4 | 5.5 | 10.7 |
| Minimum temperature | 11.5 | 12.4 | 16.7 | 16.5 | 19.5 | 20.9 | 19.9 | 20 | 20.1 | 18 | 18.2 | 18.8 | 18.2 | 16.9 | 13.3 | 14.1 | 13.6 | 14.8 | 12.5 | 13.5 | 11 | 11.4 | 9.5 | 12.2 | 13.1 | 9.7 | 8.7 | 6.1 | 7.1 | 11.3 |
| Apparent min temperature | 15.8 | 18.2 | 22.1 | 23.8 | 27.6 | 28.6 | 28.2 | 25.5 | 26.3 | 22 | 23.2 | 23.2 | 22.6 | 20.9 | 14.7 | 13.4 | 18 | 16.9 | 15.7 | 17 | 15.6 | 14.3 | 12.2 | 13.2 | 13.9 | 11.7 | 11.4 | 11.8 | 11.3 | 13.9 |
| 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) | 12.3 | 12.2 | 12.1 | 12 | 11.9 | 11.9 | 11.8 | 5.2 | 10 | 3 | 5.6 | 9.7 | 2.6 | 11.4 | 7.9 | 0.5 | 11 | 0 | 11.1 | 10.4 | 11.1 | 11 | 2.6 | 0 | 9.8 | 11 | 11 | 10.3 | 6.9 | 7.9 |
| Precipitation (mm) | 0 | 0 | 0.1 | 0 | 0 | 0.7 | 0.3 | 5.8 | 3.8 | 3.3 | 5.9 | 17.9 | 13.9 | 1.6 | 0 | 6.6 | 0 | 18.6 | 19.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 1 | 0 | 0 | 6 | 3 | 3 | 5 | 12 | 17 | 17 | 15 | 8 | 0 | 11 | 0 | 11 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 15.1 | 14.6 | 15.3 | 9.9 | 11 | 11.3 | 11.8 | 22 | 16.7 | 13.8 | 6.6 | 11.3 | 16.7 | 14.3 | 18.8 | 34.3 | 25.9 | 18.8 | 22.7 | 19.1 | 11 | 12.7 | 8.6 | 9.9 | 20.2 | 14.9 | 11.2 | 8.9 | 7.5 | 9.7 |
In September 2023, the highest daytime temperature in Grand Beach was 31°C.
While the minimum temperature at night dropped to 6.1°C.
The average nighttime and daytime temperatures during September in Grand Beach are 14.3°C and 22.6°C respectively.
The precipitation sum in September is about 98 mm.