Average temperature in September is 27.8 °C
Average daytime temperature is 34.1 °C
Average night temperature is 23.5 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 22.5 °C
Number of sunny days: 2
Number of rainy days: 28
Number of snow days:
Precipitation sum: 112 mm
* Weather data for Ciudad Tecún Umán 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 | 35.1 | 33.6 | 31.9 | 33.3 | 33.4 | 31.9 | 34.1 | 34.6 | 34.1 | 34.7 | 34 | 34.8 | 34.3 | 32.9 | 33.3 | 34.2 | 33.1 | 33.5 | 34.5 | 34.4 | 33.6 | 35.5 | 36.3 | 34.5 | 33.2 | 35.1 | 34.6 | 35.6 | 34.4 | 35.6 |
| Apparent max temperature | 42 | 41.3 | 38.7 | 40.2 | 39.9 | 38.1 | 40.2 | 42.5 | 40 | 40.8 | 40.1 | 41.1 | 41 | 40.1 | 40.2 | 40.8 | 40.6 | 39.7 | 40.5 | 40.6 | 39.5 | 41.6 | 41.2 | 40.1 | 39.8 | 41.6 | 40 | 41.1 | 40.1 | 40.8 |
| Mean temperature | 28.8 | 28 | 26.2 | 26.8 | 27 | 26.7 | 28.3 | 27.7 | 27.9 | 28 | 27.6 | 28.1 | 27.8 | 27.5 | 27.3 | 27.1 | 28 | 27.1 | 27.1 | 28.3 | 27.1 | 27.7 | 29.2 | 29 | 27.6 | 28.1 | 28.2 | 28.8 | 28.3 | 28.7 |
| Apparent mean temperature | 28.6 | 29.1 | 27.9 | 27.2 | 26.5 | 27.9 | 28.9 | 29.5 | 28 | 28.1 | 28.1 | 27.6 | 28.6 | 28.9 | 28.3 | 27.4 | 28.3 | 28.5 | 27.1 | 27.6 | 28.1 | 27.5 | 27.7 | 29.3 | 28.4 | 27.2 | 27.8 | 29.7 | 29.5 | 29.5 |
| Minimum temperature | 23.9 | 24.7 | 23.3 | 22.5 | 22.6 | 23.7 | 24.6 | 23.8 | 23.2 | 23.4 | 23 | 22.8 | 23.6 | 23.9 | 23.1 | 22.6 | 23.6 | 23.2 | 22.5 | 23.5 | 22.9 | 22.6 | 24.2 | 24.1 | 23.4 | 22.9 | 23.3 | 24 | 24.6 | 24.1 |
| Apparent min temperature | 34.6 | 33.7 | 31.7 | 31.9 | 31.8 | 32.1 | 33.7 | 33.8 | 33 | 32.6 | 32.7 | 33 | 33.1 | 32.9 | 32.9 | 32.6 | 33.6 | 32.2 | 32 | 32.8 | 31.8 | 32.5 | 33.5 | 33.9 | 33.1 | 33.2 | 33.1 | 34.2 | 33.8 | 34 |
| 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) | 10.7 | 10.8 | 8.7 | 11.6 | 10 | 5.5 | 9.3 | 9.4 | 10 | 9.4 | 11.3 | 11.6 | 9.5 | 10.6 | 9.3 | 10.7 | 11.5 | 9.3 | 10.7 | 10.8 | 7.4 | 10.7 | 11.3 | 11.2 | 11.2 | 11.4 | 11.4 | 10.9 | 8.4 | 9.4 |
| Precipitation (mm) | 11.2 | 0.6 | 11.7 | 1.8 | 7.8 | 5.4 | 0.1 | 2.3 | 0.2 | 2.8 | 9.2 | 3 | 3.7 | 2.6 | 9 | 5.9 | 0 | 1.5 | 1.7 | 7.4 | 1.3 | 3.4 | 0.5 | 0.1 | 1.4 | 0.6 | 8.1 | 0 | 4.4 | 4.7 |
| Precipitation hours | 5 | 2 | 8 | 3 | 3 | 4 | 1 | 4 | 2 | 5 | 8 | 6 | 9 | 5 | 8 | 4 | 0 | 6 | 4 | 3 | 2 | 5 | 2 | 1 | 7 | 2 | 4 | 0 | 5 | 10 |
| Wind speed (m/s) | 10.1 | 9.9 | 10.8 | 7.6 | 10.7 | 8.6 | 12.6 | 8.6 | 11.1 | 10.5 | 14.5 | 12.2 | 13.3 | 8.9 | 10.1 | 7.6 | 11.3 | 12.4 | 9.9 | 9.9 | 11.6 | 10.1 | 9.3 | 8.2 | 10.9 | 9.8 | 11.2 | 8.2 | 7.4 | 9.6 |
In September 2023, the highest daytime temperature in Ciudad Tecún Umán was 36.3°C.
While the minimum temperature at night dropped to 22.5°C.
The average nighttime and daytime temperatures during September in Ciudad Tecún Umán are 23.5°C and 34.1°C respectively.
The precipitation sum in September is about 112 mm.