St. John weather in September
Warm and pleasant, with regular rainfall. Average highs of 28°C and lows of 27°C, with around 15 rainy days expected throughout the month.
While September isn't our top-rated month for St. John, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
28°C
Average low
27°C
Rainy days
15 days
Best months to visit
January, February, March, April, May, June
What to do in St. John in September
Whatever the weather, St. John rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
Recommended
January
26C
Warm and pleasant, with some rainy days.
Recommended
February
25C
Warm and pleasant, with some rainy days.
Recommended
March
25C
Warm and pleasant, with occasional showers.
Recommended
April
26C
Warm and pleasant, with occasional showers.
Recommended
May
27C
Warm and pleasant, with some rainy days.
Recommended
June
28C
Warm and pleasant, with occasional showers.
July
28C
Warm and pleasant, with some rainy days.
August
28C
Warm and pleasant, with regular rainfall.
September (you are here)
28C
Warm and pleasant, with regular rainfall.
October
28C
Warm and pleasant, with regular rainfall.
November
27C
Warm and pleasant, with regular rainfall.
December
27C
Warm and pleasant, with some rainy days.
Book your September trip to St. John
Find hotels, tours and experiences for the perfect escape.
