Saint Simons Island
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Saint Simons Island Weather in September

With daytime temperatures of 29°C (84°F) and nighttime lows of 23°C (73°F), September in Saint Simons Island brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 139 mm (5.5 in) falls on average.

Rainfall in Saint Simons Island in September

Climate statistics over the past 30 years suggest around 11 days of rain, with 139 mm (5.5 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Saint Simons Island in September

September in Saint Simons Island brings high temperatures, with highs of 29°C (84°F) and nights around 23°C (73°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 23°C (73°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

If your ideal day consists of dry skies and pleasant temperatures, March, April, May, October and November typically offer the best circumstances for Saint Simons Island.

Saint Simons Island Temperature in September

Min Temperature
23°C (73°F)
Max Temperature
29°C (84°F)
Chance of Rain
37%
Precipitation
139 mm (5.5 in)
Rainy days
11 days

Saint Simons Island Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Saint Simons Island - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Saint Simons Island in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Saint Simons Island in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Saint Simons Island 3-Day Forecast

More climate data for Saint Simons Island

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.