Little Bay (Plymouth) weather in September

September in Little Bay: sweltering, rainy, with clean air — fine if you can take 36°C afternoons.

Updated September 2026 · climate normals from ERA5 reanalysis

Little Bay Montserrat · Lesser Antilles · Island79
  1. 88Jan
  2. 88Feb
  3. 90Mar
  4. 89Apr
  5. 88May
  6. 87Jun
  7. 84Jul
  8. 83Aug
  9. 79Sep
  10. 82Oct
  11. 83Nov
  12. 87Dec

#12 of 12 months in Little Bay · #734 of 1413 destinations to visit in September · comfort 79/100 (tier B)

Days
31°C
Nights
27°C
Wet days
18
Sun
10.8 h
Humidity
79%
Daylight
12 h
Little Bay, Montserrat
Photo: Patrick Smith · CC BY-SA 4.0

Traveller notes on Little Bay in September

Notes from nearby The Bottom (144 km away)

Little Bay doesn't have its own notes for September yet — these are about The Bottom, close enough to share the season.

Saba's forum is upfront that September sits in the heart of Atlantic hurricane season, and posters specifically recommend trip insurance for anyone traveling this month. That said, several regulars pointed out that Saba's small size actually works in visitors' favor - a storm has to track almost directly over the island to have much effect, and most years pass without any real disruption. Day-to-day, posters described the weather as remarkably consistent year-round rather than dramatically different in September versus any other month; the elevated storm risk is the real seasonal factor, not the daily forecast.
SabaRegular · September · 1 month ago · about The Bottom · Read more on Tripadvisor ↗

Other months in Little Bay

There isn't much Little Bay-specific forum detail, but Montserrat's general climate data shared on the forum shows the island stays wet essentially year-round, with July through November running noticeably wetter than the rest of the year - October sits right in that stretch. Rain here tends to arrive as a downpour or thunderstorm rather than a grey, all-day drizzle, and posters noted it doesn't cut into sunshine hours as much as a longer, steadier rain would. October also falls within the higher-risk window for an Atlantic storm, roughly August through October, so it's worth tracking the tropics alongside the day-to-day forecast.
MontserratRegular · October · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe April as a great time to visit Montserrat, with temperatures commonly around 80F give or take a few degrees - warm enough that sweaters aren't needed, though pools can still feel a touch chilly even as the ocean itself feels great. Posters describe Little Bay's waters specifically as fairly calm despite Montserrat's broader reputation for strong sea currents elsewhere around the island, with good snorkeling accessible right from the beach. Posters generally rate Little Bay Beach as a pleasant, easy stretch of sand for a relaxed swim, framing April as comfortably warm without the more intense heat of peak summer.
Tripadvisor community · April · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Little Bay's card on the map.

Little Bay climate normals — September

Daytime high31°C / 88°F🔥 sweltering
Nighttime low27°C / 81°F
Feels like (high)36°C / 97°F
Sea temperature30°C / 86°F♨️ bath-warm
Rainfall136 mm / 5.3 in🌧 rainy
Rainy days18 days
Humidity79%💦 very humid
Dew point26°C / 79°F
Sunshine10.8 h/day
Daylight12.2 h
Wind28 km/h / 17 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)

JFMAMJJASOND

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.

JFMAMJJASOND

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 Nov

    Six 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 ↗

What's on around the world in September →

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?

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Little Bay in September — FAQ

Is September a good time to visit Little Bay?
September in Little Bay: sweltering, rainy, with clean air — fine if you can take 36°C afternoons. It ranks #12 of 12 months for Little Bay on SeasonMap's comfort score (79/100).
What is the weather like in Little Bay in September?
In September, Little Bay averages a daily high of 31.2°C and a low of 27.3°C, with about 135.5 mm of rain over roughly 17.7 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.

Within 300 km: Philipsburg's Sea turtle nesting around 1 Apr – 30 Nov.