Average annual temperature is 25.4 °C
Absolute maximum temperature: 46.5 °C
Absolute minimum temperature: 5.0 °C
Number of sunny days: 290 days
Number of rainy days: 75 days
Look at detailed online map of Ejido Dieciocho de Septiembre
* Weather data for Ejido Dieciocho 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) | 29.2 | 30.7 | 35.6 | 37.9 | 39.7 | 46.5 | 42.4 | 42.5 | 44.2 | 42.3 | 38.9 | 31.9 |
| Average daytime temperature (°C) | 24.4 | 25.7 | 30.0 | 34.0 | 35.1 | 39.4 | 39.7 | 39.0 | 39.7 | 35.3 | 31.7 | 28.6 |
| Average temperature (°C) | 16.3 | 17.0 | 21.1 | 24.1 | 26.3 | 30.7 | 32.9 | 32.1 | 32.1 | 27.7 | 24.1 | 19.9 |
| Average night temperature (°C) | 10.2 | 10.6 | 14.2 | 15.6 | 18.2 | 23.5 | 27.8 | 27.0 | 26.2 | 22.1 | 18.0 | 12.8 |
| Absolute minimum temperature (°C) | 5.0 | 7.4 | 8.6 | 11.0 | 14.7 | 17.4 | 25.4 | 23.9 | 23.7 | 16.3 | 14.0 | 9.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.2 | 9.6 | 10.3 | 11.9 | 12.1 | 12.6 | 12.1 | 11.1 | 11.4 | 9.8 | 9.1 | 9.2 |
| Precipitation (mm) | 5 | 10 | 1 | 0 | 1 | 0 | 36 | 67 | 16 | 45 | 1 | 0 |
| Sunny days | 28 | 22 | 28 | 30 | 29 | 29 | 11 | 14 | 23 | 21 | 25 | 30 |
| Rainy days | 3 | 6 | 3 | 0 | 2 | 1 | 20 | 17 | 7 | 10 | 5 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ejido Dieciocho de Septiembre is at