SeasonMapLittle Bay (Plymouth) weather in September
Montserrat
September in Little Bay: hot, rainy, with clean air — an excellent time to visit.
#11 of 12 months in Little Bay · #603 of 1383 destinations to visit in September · comfort 83/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Little Bay in September
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Little Bay climate normals — September
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Sea temperature | 30°C / 86°F | ♨️ bath-warm |
| Rainfall | 106 mm / 4.2 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 11 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 Little Bay 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 Little Bay'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).
Fair weatherLittle Bay's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Little Bay in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Atlantic hurricane season
1 Jun – 30 NovSix months of watching the tropical Atlantic on an island that already lives with a volcano, and the ferry and the small planes from Antigua are the first things to stop. Mid-August to mid-October is the busy part. Source ↗
Nearby, and something's on
Within 300 km of Little Bay — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Little Bay?
Little Bay in September — FAQ
- Is September a good time to visit Little Bay?
- September in Little Bay: hot, rainy, with clean air — an excellent time to visit. It ranks #11 of 12 months for Little Bay on SeasonMap's comfort score (83/100).
- What is the weather like in Little Bay in September?
- In September, Little Bay averages a daily high of 29.5°C and a low of 26.8°C, with about 106.3 mm of rain over roughly 16.8 rainy days.
- What is the air quality in Little Bay in September?
- Little Bay has a mean US Air Quality Index of about 34 in September.
Other months in Little Bay
Compare Little Bay in September
Warmer or cooler than Little Bay in September
Similar destinations in Caribbean — September
Within 300 km: Philipsburg's Sea turtle nesting around 1 Apr – 30 Nov.