Kingston weather in September
September in Kingston: sweltering, rainy, with clean air — a gamble, with 39°C afternoons.
Updated September 2026 · climate normals from ERA5 reanalysis
#10 of 12 months in Kingston · #1061 of 1413 destinations to visit in September · comfort 64/100 (tier C)
- Days
- 33°C
- Nights
- 25°C
- Wet days
- 17
- Sun
- 10.8 h
- Humidity
- 80%
- Daylight
- 12 h

Traveller notes on Kingston in September
Notes from nearby Montego Bay (130 km away)
Kingston doesn't have its own notes for September yet — these are about Montego Bay, close enough to share the season.
Montego Bay-forum threads on September weather are direct about the odds: better than half the days in the month bring some rain, and muggy conditions are described as close to constant regardless of whether it's actively raining. The one consistent silver lining - rain here normally arrives as a short, heavy shower rather than a persistent drizzle, sun typically back out not long after. Posters who've stayed a week or more report getting only two or three genuinely rainy days out of the whole trip. Early September marks the peak of hurricane season, and while regulars call a direct hit statistically unlikely, several note it's still worth checking the tropical outlook and having travel insurance in place. The record: a scorching 33.9C by day feeling like a punishing 40C, 25C nights, a notably high 185mm across 26.2 days, 83 percent humidity, a 30.9C sea and 10.7 hours of sun.
Other months in Kingston
Forum posters describe July across Jamaica as hot and notably more humid than the December dry season, with humidity often the bigger day-to-day challenge than the raw temperature itself. Posters describe rain this time of year as highly regionalized - it can be pouring in one spot while a couple of miles away stays bright and sunny. Posters are direct that July sits within hurricane season, though an actual direct hit remains a relatively small possibility for any given visit. It's worth noting Kingston itself sits in something of a rain shadow behind the Blue Mountains, running noticeably drier than Jamaica's wetter north coast - consistent with this destination's own climate data showing well under half the rainy days of the island's rainier regions. Posters generally rate July as hot and humid for Kingston specifically, with rain a real but less dominant factor here than on the north coast.
Forum posters count December-February among Jamaica's best-weather months: dry, warm and balmy, with the ocean genuinely swimmable and generally lower humidity than the wetter months. Regulars are careful to note real regional variation across the island - the north coast tends to see more rain, cloud and wind at this time of year, while the south coast (where Kingston sits) runs sunnier, hotter and just occasionally breezy. One wrinkle worth knowing: because Jamaica sits close to the North Eastern US storm track, a big winter storm passing offshore can push in higher seas, wind and cooler temperatures even during this otherwise dry, sunny stretch.
Add your own note from Kingston's card on the map.
Kingston climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kingston 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 Kingston'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 weatherKingston's weather peaks January–March.
September coincides with Hurricane season.
Best weatherFair weatherToughest weather
What's on in Kingston in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Hurricane season
1 Jun – 30 NovBeryl came ashore on the south coast in July 2024 and Gilbert crossed the whole island in 1988. Kingston sits in the Blue Mountains' rain shadow, but the harbour and the Palisadoes road flood before the wind arrives. Source ↗
Where is Kingston?
Kingston in September — FAQ
- Is September a good time to visit Kingston?
- September in Kingston: sweltering, rainy, with clean air — a gamble, with 39°C afternoons. It ranks #10 of 12 months for Kingston on SeasonMap's comfort score (64/100).
- What is the weather like in Kingston in September?
- In September, Kingston averages a daily high of 33.1°C and a low of 24.9°C, with about 95.4 mm of rain over roughly 16.7 rainy days.
- What is the air quality in Kingston in September?
- Kingston has a mean US Air Quality Index of about 36 in September.