St. Simons Island weather in September
Warm and pleasant, with regular rainfall. Average highs of 29°C and lows of 23°C, with around 16 rainy days expected throughout the month.
While September isn't our top-rated month for St. Simons Island, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
29°C
Average low
23°C
Rainy days
16 days
Best months to visit
April, May, October, November
What to do in St. Simons Island in September
Whatever the weather, St. Simons Island 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
January
16C
Cool, with occasional showers.
February
19C
Mild and comfortable, with occasional showers.
March
21C
Mild and comfortable, with occasional showers.
Recommended
April
24C
Mild and comfortable, with occasional showers.
Recommended
May
28C
Warm and pleasant, with some rainy days.
June
30C
Hot and humid, with regular rainfall.
July
31C
Hot and humid, with regular rainfall.
August
30C
Hot and humid, with frequent heavy rain.
September (you are here)
29C
Warm and pleasant, with regular rainfall.
Recommended
October
26C
Warm and pleasant, with occasional showers.
Recommended
November
21C
Mild and comfortable, with occasional showers.
December
18C
Mild and comfortable, with occasional showers.
Book your September trip to St. Simons Island
Find hotels, tours and experiences for the perfect escape.
