World Resorts USA St. Simons Island Weather

Autumn weather in St. Simons Island

Weather in St. Simons Island in Autumn

September October November
Average day temperature:
Average day temperature: 82.9°F 76.9°F 69.8°F
Average night temperature:
Average night temperature: 74.0°F 66.6°F 59.6°F
Sea water temperature:
Sea water temperature: 82.0°F 74.4°F 67.3°F
Number of sunny days:
Number of sunny days: 9 days 15 days 14 days
Day length:
Day length: 11.9 - 12.8 h. 10.9 - 11.8 h. 10.3 - 10.9 h.
Number of rainy days:
Number of rainy days: 4 days 1 day 1 day
Precipitation totals:
Precipitation totals: 1.6 in. 0.4 in. 0.6 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in St. Simons Island

Sunniest months:
January 15 days
October 15 days
March 14 days
Warmest months:
July 88.3 °F
August 86.9 °F
June 86.1 °F
Warmest sea temp:
August 85.1 °F
July 84.6 °F
September 82.0 °F
Coldest months:
January 59.4 °F
December 62.5 °F
February 64.8 °F
Rainiest months:
August 5 days
July 5 days
September 4 days
Windiest months:
January 6.9 mph
December 6.8 mph
October 6.7 mph

St. Simons Island on a weather map

St. Simons Island
+72°F
NE 11 mph
Feels like: +75°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+70°F
+70°F
+82°F
+77°F
+75°F
+73°F
+66°F
+45°F
+81°F
+59°F
+77°F
+77°F
+81°F
+36°F
24 Hours Forecast
St. Simons Island
Local time: 14:45
February 26, thursday
1500
72°F
NE
11 mph
1800
72°F
NE
8 mph
2100
66°F
NE
8 mph
February 27, friday
0000
64°F
NE
6 mph
0300
63°F
NE
6 mph
0600
61°F
NE
6 mph
0900
61°F
N
7 mph
1200
61°F
N
8 mph
Units of measurement: °C / °F