Average temperature in September is 18.3 °C
Average daytime temperature is 23 °C
Average night temperature is 14.7 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 5.6 °C
Number of sunny days: 9
Number of rainy days: 21
Number of snow days:
Precipitation sum: 440 mm
* Weather data for Gravataí Brazil is based on climate observations for 2023 year
| Settembre (°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 | 24.5 | 25.1 | 20.7 | 22 | 16.5 | 20.3 | 24.2 | 23.5 | 17.6 | 25.4 | 32.7 | 25.3 | 16.1 | 15.8 | 19.6 | 28.4 | 33.7 | 29.1 | 21.4 | 28.5 | 30.2 | 26.3 | 23.1 | 21.5 | 18.1 | 18.5 | 17.6 | 20.4 | 24.6 | 20.2 |
| Apparent max temperature | 25.9 | 27.9 | 23.7 | 24.6 | 16.9 | 19 | 25.6 | 26 | 17.5 | 28.4 | 36.9 | 25.3 | 15 | 14.3 | 19.1 | 28.9 | 38.3 | 30.8 | 23.4 | 33.4 | 36.8 | 31.3 | 26.9 | 23.7 | 17.3 | 16.6 | 16.4 | 18 | 27.4 | 20.4 |
| Mean temperature | 16.9 | 20.2 | 18.4 | 19.1 | 14.3 | 14 | 18.1 | 20 | 16.1 | 18.4 | 23.5 | 19.1 | 14.9 | 13.4 | 12.5 | 17.3 | 22.6 | 24.1 | 19.5 | 21.8 | 22.9 | 22.2 | 19.9 | 19.9 | 16.8 | 16.5 | 16.3 | 14.6 | 18.7 | 17.9 |
| Apparent mean temperature | 11 | 16.5 | 17.4 | 16.4 | 8.5 | 7.2 | 12.4 | 17.6 | 14.4 | 14 | 17.7 | 12.1 | 11.4 | 8.4 | 3.4 | 5.9 | 12.6 | 21 | 18.3 | 20 | 21.8 | 20.1 | 17.7 | 18 | 14.2 | 12.6 | 11.5 | 8.7 | 13.1 | 16.1 |
| Minimum temperature | 11.9 | 16.7 | 16.8 | 16.4 | 10.2 | 9.3 | 14.2 | 17.9 | 14.8 | 14.6 | 17 | 14.1 | 13.8 | 11.1 | 5.6 | 8 | 13.5 | 20.6 | 18.2 | 17.9 | 19.1 | 19.4 | 17.6 | 18.1 | 15.7 | 15.6 | 13.4 | 9.8 | 13.9 | 15.8 |
| Apparent min temperature | 17 | 21.6 | 20.2 | 20.6 | 12.7 | 12 | 17.7 | 21.4 | 15.7 | 19.1 | 25.7 | 19 | 13.3 | 11 | 11.4 | 16.7 | 24.1 | 25.3 | 20.4 | 24.9 | 26.4 | 24.7 | 21.3 | 21.7 | 16 | 14.5 | 14.9 | 13.1 | 18.7 | 18.3 |
| Settembre | 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) | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 12 | 12 | 12 | 12 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 |
| Sunshine duration (h) | 8.8 | 6 | 0.2 | 0.1 | 6.9 | 10.8 | 9.2 | 0.5 | 0 | 7.7 | 9.1 | 2.1 | 0 | 8.9 | 10.9 | 11 | 11 | 9.9 | 1.4 | 9.9 | 7 | 4.3 | 1.3 | 0.3 | 2.5 | 0.2 | 3.4 | 9.6 | 10.8 | 4.7 |
| Precipitation (mm) | 0 | 4.9 | 22.8 | 108.9 | 15 | 0 | 0 | 20.4 | 6.5 | 0.2 | 0 | 5.1 | 25.8 | 16.2 | 0 | 0 | 0 | 0.5 | 17.2 | 0 | 11.8 | 13.4 | 25.3 | 30.6 | 17.5 | 91 | 5.9 | 0.2 | 0 | 0.9 |
| Precipitation hours | 0 | 4 | 10 | 23 | 13 | 0 | 0 | 9 | 9 | 2 | 0 | 9 | 24 | 16 | 0 | 0 | 0 | 2 | 11 | 0 | 3 | 15 | 7 | 11 | 11 | 20 | 16 | 2 | 0 | 4 |
| Wind speed (m/s) | 13.1 | 14.2 | 11.3 | 17.2 | 29.3 | 25 | 19.1 | 23.8 | 15.7 | 16.6 | 17.9 | 23.5 | 26.6 | 27.7 | 9.1 | 14.7 | 11.9 | 22 | 20.5 | 13 | 23.1 | 17.6 | 17.4 | 17.3 | 22.2 | 33.5 | 22.7 | 28.8 | 21.7 | 18.2 |
In September 2023, the highest daytime temperature in Gravataí was 33.7°C.
While the minimum temperature at night dropped to 5.6°C.
The average nighttime and daytime temperatures during September in Gravataí are 14.7°C and 23°C respectively.
The precipitation sum in September is about 440 mm.