Average temperature in September is 23 °C
Average daytime temperature is 26 °C
Average night temperature is 20 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 13
Number of rainy days: 17
Number of snow days:
Precipitation sum: 186 mm
* Weather data for Rūdsar Iran 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 | 29.2 | 29.8 | 29.2 | 29.7 | 30.8 | 30.3 | 30.4 | 25.7 | 27.9 | 27.9 | 22.1 | 25.7 | 27.1 | 21.5 | 21.9 | 26.6 | 26.9 | 22 | 20.4 | 22.5 | 24.8 | 25.7 | 26.3 | 26.1 | 25.8 | 23.8 | 25.8 | 25.1 | 24.6 | 25.1 |
| Apparent max temperature | 32.2 | 33.2 | 32.5 | 33.3 | 35.5 | 35.2 | 32.9 | 29.1 | 30.9 | 31.2 | 21.7 | 27.8 | 29.8 | 23.3 | 22.7 | 29 | 29.6 | 23.8 | 22.6 | 24.9 | 27.2 | 28 | 28.8 | 28.5 | 28.1 | 24.2 | 27.3 | 26.9 | 26.6 | 26.9 |
| Mean temperature | 26.2 | 26.3 | 26.2 | 26.7 | 26.6 | 27.2 | 26.8 | 24.8 | 24.7 | 23.3 | 20.6 | 22.2 | 23.1 | 20.6 | 21 | 22.2 | 23 | 20.8 | 19.2 | 20.1 | 21.8 | 22 | 22.2 | 22 | 22.6 | 20.6 | 21.3 | 21.2 | 21.3 | 22.3 |
| Apparent mean temperature | 24.9 | 24.5 | 26.7 | 27.2 | 26.8 | 26.5 | 29.2 | 27.5 | 25 | 18.5 | 18.1 | 19.4 | 21 | 18.8 | 20.6 | 18.5 | 18.7 | 20.5 | 16.8 | 19.6 | 21.3 | 19 | 18.2 | 17.9 | 20.2 | 19.6 | 19.4 | 17.7 | 17.8 | 21.3 |
| Minimum temperature | 22.5 | 21.8 | 23.7 | 23.9 | 23.2 | 23.3 | 24.6 | 23.2 | 22.5 | 19.5 | 18.6 | 19 | 19.4 | 19.2 | 20.2 | 17.8 | 18 | 19.1 | 17.6 | 18.4 | 19.8 | 18.6 | 17.9 | 17.3 | 18.8 | 18.9 | 18.2 | 17.3 | 17.3 | 19.5 |
| Apparent min temperature | 29.2 | 29.1 | 29.3 | 30.2 | 30.7 | 31.5 | 30.7 | 28.4 | 27.9 | 25 | 19.9 | 23.6 | 24.7 | 21.1 | 21.7 | 23.4 | 24.5 | 22.1 | 19.8 | 22 | 23.8 | 23.6 | 23.7 | 23.4 | 24.3 | 20.8 | 22.8 | 22.6 | 23 | 23.9 |
| 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 | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12 | 12 | 11.9 | 11.9 | 11.9 |
| Sunshine duration (h) | 11.1 | 11.1 | 7.5 | 10 | 11 | 11.1 | 6.1 | 0 | 5.4 | 6 | 8.5 | 10.8 | 9 | 0 | 0 | 10.3 | 9.8 | 0 | 0 | 2.8 | 9.1 | 10.4 | 10.6 | 10.8 | 8.4 | 0.1 | 8.4 | 10.3 | 10.8 | 10.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0.1 | 0 | 0 | 8.6 | 11.7 | 1.3 | 31.1 | 3.2 | 0 | 1.8 | 31.8 | 13.5 | 0 | 0.5 | 19.1 | 42.8 | 1.9 | 0.9 | 0 | 0 | 0 | 4.4 | 12.1 | 0.7 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 1 | 0 | 0 | 16 | 17 | 4 | 15 | 8 | 0 | 6 | 23 | 14 | 0 | 1 | 18 | 18 | 11 | 3 | 0 | 0 | 0 | 10 | 13 | 4 | 0 | 0 | 0 |
| Wind speed (m/s) | 15.3 | 13 | 14.4 | 12.2 | 14.8 | 12.9 | 17.1 | 14.2 | 11.4 | 23.2 | 29.2 | 12.8 | 18.6 | 23 | 18.4 | 9.4 | 15.5 | 25.9 | 27.1 | 11.2 | 10.5 | 8.8 | 12.5 | 10.5 | 17.6 | 20.3 | 16.2 | 7.8 | 9.8 | 20.5 |
In September 2023, the highest daytime temperature in Rūdsar was 30.8°C.
While the minimum temperature at night dropped to 17.3°C.
The average nighttime and daytime temperatures during September in Rūdsar are 20°C and 26°C respectively.
The precipitation sum in September is about 186 mm.