Sint Eustatius (Statia) weather in September
September in Sint Eustatius: sweltering, rainy, with clean air — fine if you can take 35°C afternoons.
Updated September 2026 · climate normals from ERA5 reanalysis
#12 of 12 months in Sint Eustatius · #698 of 1413 destinations to visit in September · comfort 80/100 (tier A)
- Days
- 31°C
- Nights
- 26°C
- Wet days
- 17
- Sun
- 10.7 h
- Humidity
- 81%
- Daylight
- 12 h

Traveller notes on Sint Eustatius in September
Notes from nearby The Bottom (32 km away)
Sint Eustatius 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.
Other months in Sint Eustatius
Detailed October-specific weather trip reports for Sint Eustatius are limited on the forum, with broader Caribbean discussion for October describing conditions turning more comfortable as the month progresses, lower humidity and temperatures dropping from the 90s into the 80sF compared to peak summer. Posters discussing the wider region are direct that October remains within hurricane season, with occasional storms still possible, and consistently flag it as the month with the most rain on average across the Caribbean. Given the limited destination-specific detail for Sint Eustatius itself, this note leans on that regional pattern: expect warm, increasingly comfortable temperatures paired with the year's highest rain totals and lingering storm risk. Posters generally recommend tracking storm forecasts for any October Caribbean trip regardless of the specific island.
Forum coverage of Sint Eustatius (Statia) is thin, with most discussion centered on logistics like flights from St. Maarten, hiking, snorkeling and general things to do rather than granular weather detail. Posters discussing nearby St. Maarten's April weather describe it as generally warm and drier than the wetter late-year months, a pattern that should extend to Statia given the two islands' shared position in the northeastern Caribbean. Given how few detailed trip reports exist for Statia specifically, this regional April pattern - warm, breezy, and comparatively dry ahead of the June-November hurricane season - is the most useful guide available for planning a visit.
Add your own note from Sint Eustatius's card on the map.
Sint Eustatius climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sint Eustatius 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 Sint Eustatius'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 weatherSint Eustatius's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Sint Eustatius in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Hurricane season
1 Jun – 30 NovClosuresThe island sits in the middle of the chain and both Irma and Maria came within reach in 2017. With one ferry, one small runway and a handful of guesthouses, a near miss still shuts the place for days. Source ↗
Nearby, and something's on
Within 300 km of Sint Eustatius — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Sint Eustatius?
Sint Eustatius in September — FAQ
- Is September a good time to visit Sint Eustatius?
- September in Sint Eustatius: sweltering, rainy, with clean air — fine if you can take 35°C afternoons. It ranks #12 of 12 months for Sint Eustatius on SeasonMap's comfort score (80/100).
- What is the weather like in Sint Eustatius in September?
- In September, Sint Eustatius averages a daily high of 30.8°C and a low of 25.9°C, with about 128 mm of rain over roughly 17.1 rainy days.
- What is the air quality in Sint Eustatius in September?
- Sint Eustatius has a mean US Air Quality Index of about 35 in September.
Within 300 km: Philipsburg's Sea turtle nesting around 1 Apr – 30 Nov.