Average temperature in September is 26.4 °C
Average daytime temperature is 32.3 °C
Average night temperature is 22.8 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: 21.5 °C
Number of sunny days:
Number of rainy days: 30
Number of snow days:
Precipitation sum: 155 mm
* Weather data for San Juan Ermita Guatemala 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 | 33.1 | 33.4 | 32.3 | 33.2 | 33 | 31.4 | 32.1 | 32.1 | 31.9 | 32.1 | 30.9 | 31.4 | 32 | 32.5 | 32.1 | 32 | 32.8 | 33 | 32.9 | 32.8 | 32.8 | 32.2 | 32.9 | 33 | 32.8 | 32.8 | 32 | 32 | 32.1 | 30.7 |
| Apparent max temperature | 37.6 | 38.7 | 37.1 | 38.4 | 39.6 | 37.6 | 36.2 | 37.9 | 37.5 | 37 | 35.6 | 36.5 | 37.7 | 37.8 | 37.5 | 37 | 37.5 | 37.9 | 37.5 | 37.6 | 38.2 | 37.2 | 36.5 | 37.8 | 36 | 38.3 | 36.9 | 37.1 | 36.2 | 35.7 |
| Mean temperature | 27.2 | 26.6 | 26.6 | 26.3 | 25.5 | 26.3 | 26.8 | 26.4 | 26.4 | 26.5 | 25.9 | 26.2 | 26.3 | 26.3 | 26.5 | 26.6 | 26.6 | 26.7 | 26.6 | 26.7 | 26 | 26.4 | 27.2 | 26.9 | 25.9 | 26.1 | 26.4 | 26.6 | 26.8 | 26 |
| Apparent mean temperature | 28 | 27.6 | 27.6 | 26.5 | 25.7 | 28.4 | 28.3 | 27.3 | 27.2 | 27.3 | 26.7 | 27.1 | 27.4 | 27.8 | 27.1 | 27.2 | 27.7 | 26.9 | 26.7 | 26.9 | 27.5 | 26.8 | 28.1 | 27.7 | 27 | 26.9 | 27.8 | 27.7 | 28.4 | 27.9 |
| Minimum temperature | 23.5 | 22.8 | 23.2 | 22.1 | 21.5 | 23.3 | 23.2 | 22.8 | 22.9 | 22.9 | 22.6 | 22.9 | 22.9 | 23 | 22.5 | 22.6 | 22.8 | 22.6 | 22.1 | 22.3 | 23.1 | 22.3 | 23.3 | 22.9 | 22.3 | 22.4 | 23 | 23.1 | 23.5 | 23.1 |
| Apparent min temperature | 32 | 31.2 | 31 | 30.6 | 30.4 | 31.5 | 31.5 | 31.1 | 31.2 | 30.9 | 30.1 | 30.6 | 31.1 | 31.2 | 31.3 | 31 | 31.2 | 30.9 | 30.8 | 30.9 | 30.8 | 31 | 31.5 | 31.2 | 30.5 | 30.7 | 31.1 | 31.2 | 31.7 | 30.9 |
| 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) | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12 | 12 | 12 |
| Sunshine duration (h) | 10.8 | 10.9 | 10 | 11.4 | 9.4 | 9.7 | 10.3 | 9.8 | 10.8 | 11.1 | 11.6 | 10.9 | 8.4 | 11 | 10.7 | 11.5 | 11.5 | 11.4 | 11.5 | 11.4 | 7.1 | 10.9 | 11.2 | 10.9 | 9.5 | 11.2 | 10.7 | 9.3 | 10 | 8.3 |
| Precipitation (mm) | 2.3 | 3.2 | 2.7 | 4.6 | 32.6 | 5 | 0.3 | 3.4 | 1.2 | 1.8 | 1.9 | 2.5 | 6.7 | 3 | 3.4 | 3 | 1.3 | 3.7 | 0.4 | 0.6 | 7.4 | 13.6 | 0.1 | 9.6 | 4.8 | 13.9 | 7.1 | 1.8 | 4.6 | 9 |
| Precipitation hours | 3 | 5 | 7 | 7 | 10 | 9 | 2 | 4 | 9 | 4 | 9 | 9 | 9 | 6 | 9 | 6 | 7 | 5 | 3 | 3 | 10 | 14 | 1 | 3 | 7 | 8 | 7 | 7 | 11 | 18 |
| Wind speed (m/s) | 18.3 | 14.1 | 15.9 | 10.3 | 8.3 | 7.6 | 14 | 12 | 12 | 13.9 | 13.4 | 12.8 | 11.7 | 10.7 | 11.3 | 13.2 | 12 | 11.9 | 14.2 | 14.4 | 9.8 | 11.6 | 15 | 9.5 | 10.4 | 12.4 | 12.2 | 12.4 | 11.3 | 10.6 |
In September 2023, the highest daytime temperature in San Juan Ermita was 33.4°C.
While the minimum temperature at night dropped to 21.5°C.
The average nighttime and daytime temperatures during September in San Juan Ermita are 22.8°C and 32.3°C respectively.
The precipitation sum in September is about 155 mm.