SeasonMapRoad Town (Tortola) weather in September
British Virgin Islands
September in Road Town: warm, rainy, with clean air — a good time to visit.
#11 of 12 months in Road Town · #1038 of 1383 destinations to visit in September · comfort 66/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Road Town in September
No notes yet. Open Road Town on the map to add the first one.
Road Town climate normals — September
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Sea temperature | 30°C / 86°F | ♨️ bath-warm |
| Rainfall | 111 mm / 4.4 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12.2 h | |
| Wind | 26 km/h / 16 mph | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Road Town in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Road Town's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherRoad Town's weather peaks February–April, best around March.
September coincides with Atlantic hurricane season.
Best weatherFair weatherToughest weather
What's on in Road Town in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Atlantic hurricane season
1 Jun – 30 NovIrma went over Tortola in September 2017 and the charter fleet, the marinas and half the roofs went with it. Boats are hauled or moved south for the peak weeks from mid-August to mid-October, and the season's rates reflect it. Source ↗
Nearby, and something's on
Within 300 km of Road Town — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Road Town?
Road Town in September — FAQ
- Is September a good time to visit Road Town?
- September in Road Town: warm, rainy, with clean air — a good time to visit. It ranks #11 of 12 months for Road Town on SeasonMap's comfort score (66/100).
- What is the weather like in Road Town in September?
- In September, Road Town averages a daily high of 28.2°C and a low of 26.6°C, with about 110.9 mm of rain over roughly 16.6 rainy days.
- What is the air quality in Road Town in September?
- Road Town has a mean US Air Quality Index of about 34 in September.
Other months in Road Town
Compare Road Town in September
Warmer or cooler than Road Town in September
Similar destinations in Caribbean — September
Within 300 km: San Juan's Bioluminescent bay nights on 1 Jan – 31 Dec, and Philipsburg's Sea turtle nesting around 1 Apr – 30 Nov.