Average temperature in September is 27.9 °C
Average daytime temperature is 34 °C
Average night temperature is 22.5 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 21
Number of rainy days: 9
Number of snow days:
Precipitation sum: 30 mm
* Weather data for Roby 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 | 38.6 | 38.1 | 39.6 | 39.5 | 40.6 | 39.1 | 39.5 | 41.7 | 39.2 | 36 | 33.3 | 31.7 | 24.2 | 26.7 | 28.2 | 26.6 | 27.8 | 30.3 | 33.8 | 34 | 33.4 | 34.4 | 37.1 | 33.9 | 31.6 | 30.8 | 32.7 | 32.5 | 33.1 | 31.6 |
| Apparent max temperature | 39.2 | 38.7 | 38.3 | 36.4 | 41.7 | 40 | 39.3 | 39.9 | 38.6 | 35.1 | 33.3 | 31.2 | 25.7 | 28.7 | 31.9 | 28.4 | 30.1 | 31.2 | 33.5 | 36.2 | 34.6 | 36.7 | 38 | 35.2 | 33.1 | 32 | 34 | 32.3 | 31.3 | 31 |
| Mean temperature | 31.5 | 31.6 | 31.8 | 32.9 | 33.5 | 32.7 | 33.4 | 34.4 | 32.4 | 30.1 | 28.9 | 22 | 20.6 | 21.5 | 23.9 | 22.6 | 22.4 | 23.9 | 26.7 | 28.3 | 27.3 | 27.9 | 30.1 | 27.4 | 26.5 | 25.1 | 25.9 | 26.3 | 27.3 | 26.7 |
| Apparent mean temperature | 23.2 | 23.2 | 22.9 | 24.6 | 26.6 | 23.2 | 27.2 | 26.9 | 22.7 | 23.3 | 22.3 | 17.3 | 18.2 | 20.8 | 21.6 | 20.4 | 19.5 | 18 | 21.3 | 20.6 | 22.4 | 24.3 | 25 | 21.2 | 23.3 | 21.4 | 20.1 | 20.4 | 21.9 | 21.1 |
| Minimum temperature | 25.2 | 23.9 | 25 | 26.6 | 27.7 | 24.6 | 27.9 | 28.1 | 24.9 | 24 | 22.4 | 18.8 | 17.5 | 19.2 | 20.1 | 18.5 | 17.7 | 18.8 | 22.6 | 23.4 | 23 | 23.6 | 25.1 | 21.2 | 21.2 | 19.8 | 20.4 | 20.4 | 22.3 | 21.8 |
| Apparent min temperature | 30.2 | 30.3 | 29.9 | 29.9 | 32 | 32.5 | 32.5 | 32.4 | 31.2 | 29.2 | 28.2 | 21.1 | 21.6 | 23.4 | 25.9 | 24 | 24.3 | 23.9 | 26 | 27.1 | 27 | 29 | 30.4 | 27.7 | 27.1 | 26.5 | 26.3 | 25.9 | 25.8 | 25.5 |
| 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 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12 | 12 | 12 | 11.9 | 11.9 |
| Sunshine duration (h) | 11.9 | 11.9 | 11.8 | 11 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.5 | 8.9 | 2.6 | 6.7 | 5.8 | 9.9 | 7.5 | 11.2 | 11 | 11.1 | 11.2 | 8.7 | 11.1 | 11 | 11.1 | 11 | 11 | 11 | 11 | 11 | 11 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 0.4 | 3.6 | 14.5 | 0.3 | 6.7 | 0.1 | 0 | 0 | 0 | 0.6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 4 | 9 | 2 | 3 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 17.7 | 18.1 | 21.7 | 28.6 | 27.2 | 22.4 | 22.3 | 25.7 | 18.2 | 24.4 | 29.9 | 31.5 | 10.2 | 13 | 15.5 | 16.6 | 9.6 | 20.9 | 26.3 | 27.9 | 22.4 | 19.6 | 23.8 | 15.5 | 21.4 | 9.4 | 12.4 | 19.4 | 26.1 | 24.6 |
In September 2023, the highest daytime temperature in Roby was 41.7°C.
While the minimum temperature at night dropped to 17.5°C.
The average nighttime and daytime temperatures during September in Roby are 22.5°C and 34°C respectively.
The precipitation sum in September is about 30 mm.