Average temperature in September is 14.3 °C
Average daytime temperature is 18.8 °C
Average night temperature is 10.5 °C
Absolute maximum temperature: 27 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 6
Number of rainy days: 24
Number of snow days:
Precipitation sum: 207 mm
* Weather data for Treinta Y Tres Uruguay 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 | 20.1 | 22.7 | 18 | 15.9 | 13.3 | 15.3 | 16.6 | 18.2 | 18.2 | 20 | 23.4 | 20.8 | 14 | 16.4 | 20.8 | 25.8 | 21.5 | 16 | 18.1 | 17.6 | 27 | 18.5 | 18.4 | 19.7 | 17.4 | 17.3 | 16.9 | 19.4 | 20.9 | 16.5 |
| Apparent max temperature | 19.2 | 24.1 | 18.3 | 17.5 | 11.1 | 11.5 | 16.4 | 17.3 | 18.1 | 19.4 | 24.6 | 21 | 10.7 | 15.2 | 17.9 | 24.9 | 21.2 | 14.6 | 16.2 | 17.8 | 28.4 | 19.9 | 17.5 | 19.2 | 16 | 13.6 | 13.3 | 18.4 | 21.7 | 16.6 |
| Mean temperature | 13.5 | 18.4 | 15.2 | 14.1 | 9.1 | 9.2 | 14.8 | 15.3 | 11.9 | 14 | 18.1 | 14.8 | 11.1 | 10.7 | 13.6 | 19.1 | 16.4 | 14 | 15.2 | 15.8 | 20.8 | 16.4 | 15.5 | 15.3 | 11.3 | 12.7 | 12.3 | 12.8 | 15.5 | 13.4 |
| Apparent mean temperature | 4.6 | 16.1 | 11.6 | 5.6 | 2.4 | 0.8 | 9.4 | 10.7 | 4 | 6.6 | 12.3 | 8.3 | 6.6 | 3.6 | 4 | 9.9 | 10.9 | 8.9 | 11.4 | 12.5 | 17.8 | 11.3 | 11.4 | 9.7 | 3.5 | 7 | 6 | 3.8 | 8.6 | 6.9 |
| Minimum temperature | 7.8 | 16.2 | 13.4 | 10.4 | 5.4 | 3.9 | 13.2 | 11.9 | 5.7 | 8.4 | 12.6 | 10.1 | 9 | 5.9 | 7 | 15.1 | 11.8 | 12 | 13.7 | 14.4 | 17.2 | 13.6 | 13.4 | 12.5 | 6 | 9.2 | 8.3 | 6.1 | 10.2 | 10 |
| Apparent min temperature | 11.2 | 19.4 | 14.7 | 12 | 5.9 | 5.7 | 11.9 | 14.3 | 11 | 12.6 | 18.8 | 13 | 8.5 | 8.7 | 10.4 | 16.1 | 15.8 | 11.5 | 13.2 | 14.6 | 22.4 | 15.7 | 14.3 | 14.3 | 9 | 9.6 | 9.5 | 11 | 14.8 | 11.9 |
| 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) | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 12 | 12 | 12 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.4 |
| Sunshine duration (h) | 8.4 | 6.7 | 0 | 0 | 10.7 | 10.8 | 0 | 6.4 | 10.5 | 6.8 | 2.8 | 4.1 | 0.5 | 11 | 10.8 | 11 | 7.3 | 0 | 0 | 0 | 9.1 | 2 | 0 | 6.3 | 11 | 3.2 | 11.1 | 10.5 | 8.1 | 10 |
| Precipitation (mm) | 7.9 | 0.3 | 4.5 | 8.6 | 0 | 0.1 | 85.2 | 1.4 | 0 | 0.1 | 18 | 0.3 | 2.5 | 0.5 | 0 | 0 | 7.2 | 27.1 | 3.2 | 13.7 | 18.3 | 0.8 | 4.7 | 0.8 | 0 | 0.8 | 0.2 | 0.8 | 0.3 | 0 |
| Precipitation hours | 6 | 3 | 11 | 13 | 0 | 1 | 22 | 5 | 0 | 1 | 11 | 2 | 8 | 4 | 0 | 0 | 3 | 14 | 14 | 23 | 15 | 8 | 15 | 2 | 0 | 1 | 1 | 5 | 3 | 0 |
| Wind speed (m/s) | 19.5 | 22.5 | 18.1 | 30.4 | 19.8 | 31.7 | 42.4 | 16.5 | 10.2 | 22.5 | 25.3 | 28.9 | 20.4 | 15.2 | 25.4 | 30.1 | 25 | 30.5 | 29.2 | 24.6 | 21.1 | 20.2 | 22.1 | 19 | 21.9 | 29.9 | 23.4 | 19.7 | 19.7 | 19.9 |
In September 2023, the highest daytime temperature in Treinta Y Tres was 27°C.
While the minimum temperature at night dropped to 3.9°C.
The average nighttime and daytime temperatures during September in Treinta Y Tres are 10.5°C and 18.8°C respectively.
The precipitation sum in September is about 207 mm.