Average temperature in September is 21.6 °C
Average daytime temperature is 27.8 °C
Average night temperature is 17.5 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 15
Number of rainy days: 15
Number of snow days:
Precipitation sum: 72 mm
* Weather data for Cojumatlán De Régules Mexico 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 | 25 | 27.1 | 27.3 | 26.9 | 27.1 | 27.1 | 24.4 | 26.9 | 28.4 | 28.7 | 27.9 | 28.8 | 28.5 | 28.3 | 28.6 | 27.8 | 25.4 | 26.8 | 26.5 | 26.9 | 28.6 | 29.1 | 29.8 | 29.2 | 29.6 | 29.9 | 29.2 | 27.6 | 27.9 | 28.3 |
| Apparent max temperature | 28.7 | 31.3 | 30.5 | 31.2 | 31.5 | 31.5 | 27.5 | 30.4 | 30.2 | 29.8 | 29.6 | 30.1 | 29.9 | 30.9 | 31.7 | 31 | 28.2 | 30 | 29.1 | 30.3 | 30.8 | 31.1 | 31.5 | 31.2 | 31 | 30.9 | 30.5 | 30.4 | 30.8 | 30 |
| Mean temperature | 20.8 | 21.5 | 21.7 | 21.6 | 21.3 | 21.3 | 20.4 | 20.8 | 21.5 | 21.6 | 21.6 | 21.4 | 21.8 | 21.6 | 21.8 | 21.9 | 21.1 | 20.6 | 20.9 | 21.5 | 21.7 | 22 | 22.1 | 22.4 | 23.1 | 22.4 | 21.8 | 22.1 | 22.3 | 21.9 |
| Apparent mean temperature | 19.6 | 20.4 | 19.8 | 20 | 20.5 | 20.1 | 19.8 | 18.7 | 19.5 | 17.5 | 18.8 | 18.3 | 19 | 18.5 | 18.8 | 19.4 | 19.1 | 19.9 | 19 | 19.1 | 19.6 | 20.1 | 19.4 | 19.1 | 20.6 | 16.1 | 19.2 | 20.5 | 19.5 | 20.2 |
| Minimum temperature | 17.4 | 18 | 17.8 | 17.9 | 18.2 | 17.8 | 17.8 | 16.9 | 17.5 | 17.1 | 17.6 | 16.7 | 17.2 | 16.8 | 17.1 | 17.3 | 17.3 | 17.7 | 17.1 | 17.3 | 17.4 | 18.1 | 17.3 | 17.3 | 18.6 | 16.2 | 17.2 | 18.1 | 17.5 | 17.8 |
| Apparent min temperature | 23.2 | 24.1 | 24.5 | 24.3 | 24 | 23.5 | 22.7 | 23.3 | 23.9 | 23 | 23.2 | 23.3 | 23.5 | 23.8 | 24 | 24.1 | 23.2 | 23.2 | 23.4 | 24 | 24 | 24.2 | 24.7 | 24.9 | 25.6 | 23.3 | 23.7 | 24.2 | 24.1 | 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) | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12 | 12 | 12 | 12 |
| Sunshine duration (h) | 11.5 | 11.2 | 11.6 | 11.7 | 10.7 | 11.7 | 9.7 | 9.5 | 11.6 | 11.6 | 11.6 | 11.5 | 11.6 | 11.6 | 11.6 | 11.5 | 11.1 | 11.5 | 10.1 | 11.5 | 10.9 | 11.4 | 11.4 | 11.2 | 11.4 | 11.4 | 11.3 | 11 | 11 | 10.3 |
| Precipitation (mm) | 9.8 | 8.2 | 1 | 1.8 | 1.9 | 2.6 | 14.9 | 6.2 | 6.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 6 | 10.6 | 1.8 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.6 | 0 | 0 |
| Precipitation hours | 7 | 8 | 1 | 5 | 5 | 6 | 12 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 9 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Wind speed (m/s) | 9.9 | 6.8 | 9.3 | 11.7 | 15.2 | 14.7 | 17.1 | 7.5 | 7.7 | 11.6 | 10.5 | 10.5 | 8.7 | 9.5 | 8.5 | 16.2 | 11.4 | 9.4 | 8.6 | 8 | 9.3 | 8.7 | 9.4 | 7.9 | 7.6 | 9.4 | 6.7 | 9.7 | 15 | 10.2 |
In September 2023, the highest daytime temperature in Cojumatlán De Régules was 29.9°C.
While the minimum temperature at night dropped to 16.2°C.
The average nighttime and daytime temperatures during September in Cojumatlán De Régules are 17.5°C and 27.8°C respectively.
The precipitation sum in September is about 72 mm.