Soufrière weather in September
September in Soufrière: sweltering, rainy, with clean air — an excellent time to visit.
#7 of 12 months in Soufrière · #234 of 604 destinations to visit in September · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Soufrière climate normals — September
| Daytime high | 30°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 80°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 98 mm / 3.8 in | 🌧 rainy |
| Rainy days | 19 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.2 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Soufrière?
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Soufrière in September — FAQ
- Is September a good time to visit Soufrière?
- September in Soufrière: sweltering, rainy, with clean air — an excellent time to visit. It ranks #7 of 12 months for Soufrière on SeasonMap's comfort score (84/100).
- What is the weather like in Soufrière in September?
- In September, Soufrière averages a daily high of 30.3°C and a low of 26.4°C, with about 97.7 mm of rain over roughly 19 rainy days.
- What is the air quality in Soufrière in September?
- Soufrière has a mean US Air Quality Index of about 32 in September.