Average temperature in September is 28.5 °C
Average daytime temperature is 35.4 °C
Average night temperature is 24.3 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 23.4 °C
Number of sunny days: 7
Number of rainy days: 23
Number of snow days:
Precipitation sum: 59 mm
* Weather data for Onverwacht Suriname 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 | 34.4 | 34.9 | 34.3 | 34.7 | 35.1 | 35.4 | 34.7 | 35.2 | 34.3 | 35.4 | 33.1 | 35.5 | 36.4 | 36.6 | 36.5 | 35.4 | 36.5 | 34.5 | 31.3 | 34.1 | 36.3 | 35.2 | 35.1 | 35.4 | 35.9 | 35.8 | 37.5 | 37.4 | 38.1 | 38.3 |
| Apparent max temperature | 39.4 | 39.5 | 38.5 | 39.4 | 39 | 39.6 | 40.4 | 40.3 | 38.1 | 39.3 | 38.1 | 40.3 | 39.6 | 40.1 | 42.1 | 41.3 | 41.3 | 40.3 | 36.2 | 40.3 | 42.5 | 41.2 | 40 | 41.7 | 42 | 41.6 | 43.6 | 41.8 | 40.9 | 41.7 |
| Mean temperature | 28 | 28.6 | 28 | 28.5 | 29 | 28.5 | 27.7 | 28.6 | 27.8 | 28.4 | 27.7 | 28.5 | 29.2 | 28.7 | 28.5 | 27.9 | 28.9 | 27.8 | 27 | 27.9 | 27.8 | 27.9 | 28.3 | 28.9 | 28.9 | 28.8 | 29.4 | 30.1 | 30.6 | 30.3 |
| Apparent mean temperature | 29 | 29.1 | 27.7 | 28.6 | 29.2 | 29.2 | 28.6 | 28.5 | 27.7 | 28.5 | 30 | 29.2 | 28 | 28.2 | 29.1 | 30.6 | 29.8 | 29.5 | 30 | 28 | 29.5 | 28.3 | 28.5 | 29.1 | 30.1 | 29.4 | 30.5 | 30.1 | 29.5 | 29.9 |
| Minimum temperature | 23.9 | 24.2 | 23.4 | 24 | 24.5 | 24.3 | 23.9 | 24.5 | 23.9 | 23.9 | 24.6 | 24.4 | 24 | 23.8 | 24.3 | 25.1 | 24.5 | 24.5 | 24.8 | 23.4 | 24.4 | 23.9 | 24 | 24 | 24.6 | 24.1 | 24.9 | 25.1 | 25.7 | 25.3 |
| Apparent min temperature | 33 | 33 | 31.8 | 32.7 | 33 | 33 | 32.5 | 32.6 | 32 | 32.6 | 32.5 | 33.1 | 33 | 32.7 | 33.1 | 33.2 | 33.9 | 32.7 | 32.5 | 33.2 | 33.3 | 33.2 | 33 | 34.1 | 34.7 | 34.4 | 35 | 34.9 | 33.9 | 34.2 |
| 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) | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 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 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunshine duration (h) | 11.3 | 11.4 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.1 | 10.9 | 11.1 | 10.1 | 11.2 | 11.2 | 11.2 | 10.9 | 9.4 | 11.1 | 10.1 | 8.3 | 11 | 7.3 | 10.3 | 11 | 11 | 10.7 | 11 | 11 | 11 | 11 | 11.1 |
| Precipitation (mm) | 0.6 | 0.2 | 0 | 0.1 | 0 | 0 | 1 | 0.8 | 4.4 | 0.7 | 6.7 | 0.1 | 0 | 0 | 2 | 2.6 | 0.3 | 1.7 | 7 | 2.4 | 4.4 | 11.2 | 8.7 | 1.1 | 0.7 | 0.8 | 1.1 | 0.6 | 0 | 0 |
| Precipitation hours | 3 | 2 | 0 | 1 | 0 | 0 | 2 | 2 | 5 | 6 | 6 | 1 | 0 | 0 | 3 | 5 | 2 | 4 | 10 | 3 | 4 | 5 | 3 | 2 | 3 | 3 | 2 | 3 | 0 | 0 |
| Wind speed (m/s) | 11.5 | 14.1 | 14.3 | 14.8 | 13.8 | 16.3 | 13.4 | 13.9 | 13 | 15.3 | 20.6 | 13.7 | 14 | 13.4 | 18.7 | 19.2 | 16.9 | 23.2 | 10.2 | 13.6 | 16.8 | 11.9 | 14.9 | 13 | 14.1 | 8.8 | 13.1 | 14.5 | 17.2 | 15.5 |
In September 2023, the highest daytime temperature in Onverwacht was 38.3°C.
While the minimum temperature at night dropped to 23.4°C.
The average nighttime and daytime temperatures during September in Onverwacht are 24.3°C and 35.4°C respectively.
The precipitation sum in September is about 59 mm.