Average temperature in September is 27.3 °C
Average daytime temperature is 33.3 °C
Average night temperature is 22.7 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 21.8 °C
Number of sunny days: 2
Number of rainy days: 28
Number of snow days:
Precipitation sum: 119 mm
* Weather data for San Agustín Acasaguastlán 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 | 34.6 | 34.1 | 33 | 32.1 | 34.2 | 33.6 | 32.6 | 31.1 | 32.5 | 34.1 | 32.8 | 33 | 32 | 33.8 | 33.8 | 34.4 | 35.1 | 34.4 | 34.8 | 34.1 | 33.1 | 33.9 | 34.7 | 33.3 | 33.2 | 33.1 | 33.1 | 32.4 | 32.4 | 31.2 |
| Apparent max temperature | 39.7 | 38.3 | 37.3 | 36.2 | 37.9 | 36.8 | 36.9 | 34.8 | 36 | 38.2 | 36.8 | 37.6 | 36.5 | 38.8 | 38 | 38.6 | 38.5 | 38.1 | 38.4 | 37.7 | 37.2 | 38.1 | 38.5 | 36.6 | 35.6 | 37.3 | 37.1 | 37.1 | 37.1 | 36.2 |
| Mean temperature | 27.9 | 27.3 | 27.4 | 26.7 | 26.8 | 27 | 28 | 26.9 | 26.9 | 27.3 | 26.7 | 26.9 | 26.8 | 27.4 | 27.7 | 28 | 28 | 28 | 27.9 | 27.8 | 26.7 | 27.3 | 28.3 | 27.4 | 26.7 | 27.1 | 27.2 | 26.4 | 26.9 | 26.8 |
| Apparent mean temperature | 27.4 | 26.4 | 27.9 | 26.5 | 25.2 | 27.4 | 27.7 | 27.3 | 26.4 | 27 | 26.6 | 25.7 | 26.9 | 27.9 | 25.7 | 26.3 | 26.6 | 25.3 | 25.7 | 25.5 | 26 | 26.9 | 26.8 | 26 | 26.7 | 26.1 | 27.2 | 28.1 | 27.3 | 28.6 |
| Minimum temperature | 23 | 22.8 | 23.1 | 22.3 | 21.8 | 22.8 | 23.3 | 22.8 | 22.3 | 22.9 | 22.4 | 22.3 | 22.7 | 23.8 | 22.2 | 22.4 | 22.9 | 21.9 | 22.6 | 22 | 22.1 | 22.7 | 22.7 | 22.4 | 22.9 | 22.4 | 23.1 | 23.4 | 23 | 23.3 |
| Apparent min temperature | 32.1 | 31.3 | 31.6 | 30.7 | 30.5 | 31.2 | 32.1 | 31 | 31.1 | 31.4 | 30.7 | 30.7 | 30.8 | 32.1 | 31.6 | 31.6 | 31.6 | 31.3 | 31.1 | 31.2 | 31.1 | 31.8 | 32 | 31.4 | 30.6 | 31.3 | 31.4 | 31.3 | 31.6 | 31.5 |
| 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) | 11.2 | 11.7 | 9.9 | 11.7 | 11.6 | 10.5 | 11.3 | 9.6 | 9.5 | 10.9 | 11.6 | 11.2 | 8.9 | 10.4 | 10.8 | 11.1 | 11.5 | 10.7 | 11.5 | 11.5 | 10.4 | 10.3 | 11.1 | 11 | 8.6 | 10.8 | 11.3 | 10.1 | 10.4 | 9.1 |
| Precipitation (mm) | 0.2 | 2.7 | 1.4 | 5.7 | 0.8 | 0.5 | 0 | 2.8 | 0.4 | 1.2 | 2.3 | 0.1 | 4.9 | 5.2 | 0.8 | 1.1 | 0.1 | 4.7 | 0 | 1.2 | 13.6 | 5.6 | 0.6 | 12.7 | 13.8 | 0.1 | 2.4 | 28 | 5.3 | 0.8 |
| Precipitation hours | 2 | 4 | 6 | 10 | 4 | 2 | 0 | 5 | 3 | 6 | 2 | 1 | 9 | 8 | 3 | 6 | 1 | 4 | 0 | 4 | 11 | 7 | 2 | 7 | 8 | 1 | 6 | 9 | 7 | 7 |
| Wind speed (m/s) | 14.3 | 15.7 | 12.9 | 9.9 | 14.2 | 11.4 | 10.1 | 10.1 | 10.5 | 14.8 | 12.6 | 10.7 | 10.9 | 11.3 | 13 | 13.5 | 13.4 | 16.4 | 13.1 | 11.2 | 12.3 | 13.9 | 10 | 11.4 | 15.1 | 10.4 | 10.8 | 9.8 | 11.2 | 10.1 |
In September 2023, the highest daytime temperature in San Agustín Acasaguastlán was 35.1°C.
While the minimum temperature at night dropped to 21.8°C.
The average nighttime and daytime temperatures during September in San Agustín Acasaguastlán are 22.7°C and 33.3°C respectively.
The precipitation sum in September is about 119 mm.