Average annual temperature is 15.4 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: 1.8 °C
Number of sunny days: 180 days
Number of rainy days: 185 days
Look at detailed online map of Unidad 13 de Septiembre
* Weather data for Unidad 13 de Septiembre Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 23.9 | 26.1 | 28.0 | 28.5 | 28.1 | 31.0 | 25.1 | 25.1 | 28.9 | 26.0 | 26.9 | 21.9 |
| Average daytime temperature (°C) | 20.0 | 22.2 | 24.2 | 24.6 | 24.4 | 27.0 | 22.8 | 22.8 | 24.8 | 22.7 | 23.0 | 18.3 |
| Average temperature (°C) | 11.9 | 13.8 | 15.6 | 16.5 | 16.7 | 19.0 | 16.5 | 16.0 | 17.0 | 15.8 | 15.0 | 11.5 |
| Average night temperature (°C) | 4.9 | 6.0 | 7.9 | 8.9 | 9.7 | 11.5 | 10.9 | 10.6 | 10.6 | 10.4 | 9.0 | 6.1 |
| Absolute minimum temperature (°C) | 2.4 | 3.8 | 4.1 | 6.6 | 7.2 | 9.1 | 9.0 | 8.8 | 9.2 | 6.6 | 3.6 | 1.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.2 | 10.6 | 10.9 | 11.3 | 11.5 | 12.1 | 11.2 | 10.7 | 11.1 | 9.6 | 9.8 | 8.4 |
| Precipitation (mm) | 0 | 1 | 17 | 20 | 51 | 40 | 83 | 133 | 35 | 47 | 35 | 48 |
| Sunny days | 28 | 24 | 21 | 15 | 9 | 17 | 3 | 3 | 16 | 14 | 17 | 13 |
| Rainy days | 3 | 4 | 10 | 15 | 22 | 13 | 28 | 28 | 14 | 17 | 13 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Unidad 13 de Septiembre is at