Average temperature in September is 20.2 °C
Average daytime temperature is 26.4 °C
Average night temperature is 15.7 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 10.9 °C
Number of sunny days: 11
Number of rainy days: 19
Number of snow days:
Precipitation sum: 75 mm
* Weather data for Soure Portugal 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 | 26 | 24.4 | 26 | 23.4 | 26.2 | 29.4 | 30 | 29.5 | 25.3 | 25.7 | 23.6 | 25.1 | 29.2 | 31.4 | 24.8 | 24.3 | 21.7 | 23.3 | 24.4 | 22.8 | 21.7 | 22.1 | 24.3 | 28.9 | 28.6 | 26.8 | 26.3 | 28.1 | 31.9 | 36.5 |
| Apparent max temperature | 26.5 | 24.2 | 27.4 | 21.4 | 26.4 | 29.1 | 31.4 | 30 | 25.6 | 26.7 | 25.1 | 26.7 | 31.3 | 32 | 26.5 | 24.5 | 20.7 | 24.6 | 26.3 | 22.5 | 21.1 | 21.3 | 25.1 | 30.8 | 30.7 | 27.8 | 26.9 | 30.2 | 33.7 | 36.4 |
| Mean temperature | 20.5 | 19.7 | 20.6 | 20.3 | 21.6 | 22.5 | 22.8 | 22.5 | 20.6 | 19.9 | 19.7 | 19.6 | 21.6 | 23 | 20.3 | 19.8 | 18.6 | 18.6 | 17.3 | 18.1 | 19 | 17.1 | 16.7 | 18.8 | 19 | 19.7 | 19.1 | 20.9 | 22.6 | 25.3 |
| Apparent mean temperature | 16.4 | 16.7 | 16.9 | 15.5 | 18.7 | 18.9 | 19.8 | 19.4 | 18.5 | 17.2 | 18.8 | 18.1 | 17.9 | 18.1 | 18.9 | 15.8 | 14.5 | 15 | 11.7 | 12.3 | 15.6 | 12.4 | 9.6 | 11.7 | 11.1 | 15.7 | 14.5 | 18.2 | 17.7 | 17.3 |
| Minimum temperature | 15.6 | 16.4 | 16.7 | 17.1 | 18 | 18.1 | 18.5 | 18 | 17.1 | 16.4 | 17.2 | 16.6 | 16.5 | 16.5 | 17.3 | 17.3 | 16.8 | 14.9 | 12 | 12.3 | 15.4 | 13.1 | 10.9 | 12.2 | 11.9 | 15.1 | 13.7 | 16.4 | 16.5 | 16.9 |
| Apparent min temperature | 21.1 | 20.2 | 21.3 | 18.8 | 21.8 | 23.2 | 24.2 | 23.7 | 21.6 | 21.3 | 21.5 | 21.1 | 23.1 | 24.6 | 21.8 | 19.3 | 17.3 | 19 | 17.7 | 18.2 | 18.5 | 16.9 | 16.4 | 19.3 | 19.5 | 20.6 | 20.1 | 22.7 | 24.3 | 26.3 |
| 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) | 13.1 | 13 | 13 | 13 | 12.9 | 12.9 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 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) | 9.5 | 8.4 | 9.7 | 3.3 | 10.3 | 9.3 | 10.9 | 11.1 | 9.5 | 8.7 | 8.5 | 9.6 | 11.2 | 11.1 | 9.3 | 10.3 | 10.5 | 11 | 10.2 | 10.5 | 9 | 11 | 11 | 11 | 11 | 10 | 11 | 10.9 | 10.9 | 10.9 |
| Precipitation (mm) | 0.2 | 11.5 | 4.9 | 4.2 | 2.4 | 0 | 0.2 | 2.6 | 9.4 | 12.9 | 0.7 | 0.4 | 0 | 0.2 | 4.3 | 4.1 | 5.6 | 0.6 | 0 | 0.4 | 9.6 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 2 | 12 | 5 | 8 | 8 | 0 | 1 | 5 | 9 | 11 | 6 | 4 | 0 | 1 | 5 | 10 | 14 | 6 | 0 | 3 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 19.6 | 16.9 | 15.8 | 28.7 | 25.9 | 20.1 | 16.7 | 20.3 | 20.5 | 14.2 | 12.1 | 14.2 | 15.3 | 12.7 | 15.2 | 21.9 | 30.4 | 13.7 | 14.2 | 19.8 | 25.1 | 14.6 | 12.9 | 14.4 | 13.9 | 17.2 | 10.5 | 15.3 | 12.2 | 16.7 |
In September 2023, the highest daytime temperature in Soure was 36.5°C.
While the minimum temperature at night dropped to 10.9°C.
The average nighttime and daytime temperatures during September in Soure are 15.7°C and 26.4°C respectively.
The precipitation sum in September is about 75 mm.