Average temperature in September is 29.1 °C
Average daytime temperature is 29.9 °C
Average night temperature is 27.9 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: 25.8 °C
Number of sunny days: 9
Number of rainy days: 21
Number of snow days:
Precipitation sum: 37 mm
* Weather data for Gustavia Saint Barthélemy 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 | 29.5 | 29.8 | 29.8 | 29.6 | 29.9 | 29.2 | 29.7 | 30.2 | 29.9 | 29.9 | 30.2 | 30.3 | 30 | 29.8 | 29.8 | 29.5 | 29.5 | 29.8 | 29.8 | 30 | 30.3 | 30.2 | 29.9 | 30.5 | 30.1 | 29.8 | 29.9 | 30.1 | 29.6 | 30.2 |
Apparent max temperature | 34.5 | 35 | 34.8 | 34.4 | 34.2 | 33.6 | 34.5 | 35 | 37.2 | 34.9 | 33.7 | 33.9 | 34.5 | 35.6 | 35.6 | 35.4 | 35.5 | 36.2 | 35.5 | 34.5 | 33.4 | 33.5 | 34.7 | 35.5 | 34.1 | 34.1 | 34.4 | 35.3 | 35.7 | 34.3 |
Mean temperature | 28.9 | 29.1 | 29.3 | 29.1 | 29.2 | 28.3 | 28.8 | 29.3 | 29 | 29.4 | 29.3 | 29.7 | 29.5 | 29.3 | 29.4 | 28.4 | 29.1 | 29.2 | 29.4 | 29.6 | 28.7 | 29.3 | 28.8 | 29.1 | 29.5 | 28.9 | 28.9 | 29.2 | 28.9 | 29.4 |
Apparent mean temperature | 31.6 | 31 | 31.6 | 31.5 | 31 | 29.8 | 31.2 | 30.2 | 31.3 | 31.3 | 28.9 | 31 | 31.8 | 32.6 | 32.6 | 29.1 | 31.3 | 32.5 | 32.6 | 31.7 | 30.4 | 30.3 | 29.8 | 30.4 | 30.6 | 26.1 | 29.4 | 30.3 | 31.5 | 30.3 |
Minimum temperature | 28.5 | 27.8 | 28.8 | 28.5 | 28.4 | 27 | 27.9 | 27.8 | 28 | 28.5 | 26.9 | 28.5 | 29 | 28.8 | 28.6 | 25.9 | 27.6 | 28.6 | 28.9 | 29.1 | 28 | 28 | 27.6 | 27.5 | 27.2 | 25.8 | 27.1 | 27.5 | 28 | 28.5 |
Apparent min temperature | 32.5 | 32.7 | 32.8 | 32.6 | 32.1 | 31.4 | 32.1 | 32.3 | 34.2 | 33.1 | 31.6 | 32.5 | 32.9 | 33.8 | 33.9 | 32.4 | 32.8 | 33.5 | 33.7 | 33 | 31.6 | 31.7 | 31.8 | 32.4 | 32.3 | 31.7 | 31.9 | 33.2 | 33.3 | 32.2 |
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) | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12 | 12 | 12 | 12 |
Sunshine duration (h) | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.3 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11 | 11.4 | 11.4 | 11.4 | 11.4 | 10.6 | 10.9 | 11.3 | 10.9 | 11.3 |
Precipitation (mm) | 1.8 | 0.4 | 0 | 0 | 0 | 2.1 | 0.3 | 1.2 | 1.4 | 0.1 | 1.5 | 0.1 | 0 | 0 | 0 | 1.4 | 0.6 | 0 | 0 | 0 | 2.5 | 0.5 | 3.1 | 3.3 | 0.6 | 6.3 | 4.4 | 0.6 | 3.4 | 1.5 |
Precipitation hours | 6 | 3 | 0 | 0 | 0 | 8 | 2 | 5 | 5 | 1 | 5 | 1 | 0 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 10 | 4 | 9 | 5 | 3 | 2 | 11 | 4 | 12 | 6 |
Wind speed (m/s) | 26.4 | 26.4 | 25.9 | 24.7 | 24.1 | 25.5 | 26.1 | 29.6 | 25 | 29.3 | 34.3 | 31.4 | 26.8 | 19.8 | 18.1 | 23.8 | 24.8 | 19.9 | 12.8 | 28.6 | 31.7 | 29 | 30.7 | 28 | 30.6 | 40.2 | 32.3 | 25.5 | 26.6 | 34.4 |
In September 2023, the highest daytime temperature in Gustavia was 30.5°C.
While the minimum temperature at night dropped to 25.8°C.
The average nighttime and daytime temperatures during September in Gustavia are 27.9°C and 29.9°C respectively.
The precipitation sum in September is about 37 mm.