Kingstown (Saint Vincent) weather in September
September in Kingstown: sweltering, rainy, with clean air — fine if you can take 18 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#11 of 12 months in Kingstown · #731 of 1413 destinations to visit in September · comfort 79/100 (tier B)
- Days
- 29°C
- Nights
- 27°C
- Wet days
- 18
- Sun
- 10.7 h
- Humidity
- 79%
- Daylight
- 12 h
Traveller notes on Kingstown in September
There isn't much Kingstown-specific forum detail for September, so this leans on the broader Eastern Caribbean pattern posters describe: wet summers, dry winters, with September squarely in the wetter half of the year and a real (if not overwhelming) chance of rain most days. Nearby island forums in the same season describe daytime highs in the mid-to-high 20s C when there's no active storm system nearby, which lines up with St. Vincent's own numbers. It's hurricane season here too, so it's worth keeping an eye on the tropics rather than assuming clear skies for the whole trip.
Other months in Kingstown
Detailed month-specific trip reports for Kingstown are limited on the forum, though one visitor discussing safety mentioned a March visit without any weather complaints, and another mentioned attempting a La Soufriere volcano hike in March. Posters discussing St. Vincent's weather more broadly note that June and July bring good weather despite technically falling in the rainy season, implying the December-to-May dry season, which March sits within, should be more reliably dry still. Given the limited destination-specific detail, this note leans on that broader seasonal pattern: March falls in St. Vincent's comparatively drier, cooler half of the year, ahead of the wetter hurricane-season months from June through November.
Add your own note from Kingstown's card on the map.
Kingstown climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kingstown 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 Kingstown'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 weatherKingstown's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Kingstown in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
La Soufrière
1 Jan – 31 DecVolcanic activityClosuresThe volcano at the north end of the island erupted explosively in 2021 and buried the windward villages in ash. The summit trail opens and closes with the alert level; Kingstown, at the far south, mostly gets ash on a north wind. Source ↗
- Hazard
Hurricane season
1 Jun – 30 NovBeryl went through the Grenadines as a category four on the first of July 2024 and took most of Union Island's roofs with it. Kingstown is better sheltered, but the inter-island ferries stop long before the wind lands. Source ↗
Nearby, and something's on
Within 300 km of Kingstown — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Kingstown?
Kingstown in September — FAQ
- Is September a good time to visit Kingstown?
- September in Kingstown: sweltering, rainy, with clean air — fine if you can take 18 rainy days. It ranks #11 of 12 months for Kingstown on SeasonMap's comfort score (79/100).
- What is the weather like in Kingstown in September?
- In September, Kingstown averages a daily high of 29.2°C and a low of 27.1°C, with about 144.8 mm of rain over roughly 18 rainy days.
- What is the air quality in Kingstown in September?
- Kingstown has a mean US Air Quality Index of about 35 in September.
Within 300 km: Bridgetown's Hawksbill nesting around 1 May – 31 Oct, and Tobago's Emancipation and Independence on 31 Jul – 1 Sep.