Sint Eustatius Weather in September

September in Sint Eustatius brings high temperatures around 30°C (86°F) during the day, dropping to 27°C (81°F) at night, with the most rainfall of the year.

Rainfall in Sint Eustatius in September

Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Expect around 18 days of rain based on historical data, with 131 mm (5.2 in) average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Sint Eustatius in September

In September, expect high temperatures in Sint Eustatius, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

Average water temperature in September

At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Sint Eustatius. Our weather planner can help you explore destinations with more pleasant weather conditions.