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Savannah in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Savannah in September will be like? Take a look at our weather guide for Savannah, based on historical data.
Check flight prices to Savannah on Avionero:
September

Weather in Savannah in September 2025

OK Weather
Warm
🌧️
Rainy
If you plan to visit Savannah in September, the weather is typically alright, with an average high temperature of +29°C during the day and approximately 6 sunny days. Expect some rainy, though, as there are typically 17 rainy days in the month and around 149 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+29°C
Avg. max. temperature
+10°C
Min.
+36°C
Max.
149 mm
Total precipitation
78%
Avg. humidity
2 m/s
Avg. wind
6 ☀️
Sunny Days
5 ⛅️
Cloudy
17 🌦
Rainy
Our opinion: Savannah has OK weather in September.

Average temperature in Savannah in September

Here are the expected maximum, average and minimum temperatures in Savannah for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +34°C during the day to a minimum of +16°C during the night, the temperature in September averages around +30°C.

The average maximum temperature goes down 11% by the end of the month, compared with the beginning of the month, from +29°C to +27°C.

Is Savannah warm or cold in September?

Savannah is typically warm in September.

Maximum temperatures go down compared to the previous month from +32°C to +29°C. The minimum temperature also goes down from +23°C to +21°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how September is compared to other months in Savannah:

Climate in Savannah in September

Savannah weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+32°C+29°C+25°C
Min. temperature
+15°C+10°C+1°C
Max. temperature
+39°C+36°C+35°C
Rainfall
183 mm149 mm96 mm
Wind
2 m/s2 m/s2 m/s
Humidity
79%78%75%
Air pressure
1015 HPa1015 HPa1016 HPa
Sunny days
3612
Cloudy days
356
Rainy days
201712
Snowy days
000

September weather is still as ok as in August. It’s getting colder in September. From +32°C in the day, the average maximum temperature lowers to +29°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 183 mm to 149 mm. It feels drier, as humidity decreases from 79% to 78%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 3 to 6.

But maybe it is worth considering traveling in October as the weather gets better.

Wind

Wind speed in Savannah in September based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Savannah is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Savannah based on historical data.
Last Year
Historical Data
Typically, there is a 53% chance of rain on an average day in September, with total rainfall of approximately 104 mm. The maximum amount of rainfall per day is around 23 mm, which is considered light rain. September is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
September is one of the rainiest months in Savannah, here is a comparison with other months, total mm:
Savannah wettest month is August, where a typical day has a 65% chance of precipitation and 183 mm of rainfall per day. November, on the other hand, is the driest month with a mere 37% chance of precipitation and 73 mm of rainfall per day.

How was the weather last September in Savannah?

This is the weather in Savannah in September 2024:
1 September
☁️
+29°C
2 September
☀️
+29°C
3 September
☀️
+31°C
4 September
☀️
+31°C
5 September
☀️
+32°C
6 September
☀️
+34°C
7 September
☀️
+34°C
8 September
☀️
+32°C
9 September
🌧️
+30°C
10 September
☀️
+32°C
11 September
☀️
+32°C
12 September
☀️
+33°C
13 September
🌧️
+32°C
14 September
🌧️
+31°C
15 September
🌧️
+27°C
16 September
☁️
+29°C
17 September
☀️
+30°C
18 September
☀️
+29°C
19 September
☀️
+28°C
20 September
🌧️
+29°C
21 September
🌧️
+28°C
22 September
☀️
+28°C
23 September
☀️
+28°C
24 September
☀️
+31°C
25 September
☀️
+32°C
26 September
🌧️
+26°C
27 September
☁️
+24°C
28 September
☁️
+24°C
29 September
☁️
+28°C
30 September
☀️
+27°C
In September 2024 Savannah had 18 sunny days, 5 cloudy days, and 7 rainy days. The average maximum temperature was +30°C, with an absolute maximum of +34°C and a minimum of +24°C. The average humidity was 69%, with a maximum of 97% and a minimum of 33%. The average wind speed was 3 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Savannah climate have been changing during last 43 years period.

The climate in Savannah in September has not changed much over the last 43 years.

The average temperature was the lowest in 1983 (+23°C) and the highest in 2019 (+26°C). The driest year was 2001 with only 601 mm of rainfall, and the wettest year was 2021 with 2043 mm.

FAQ

Frequently asked questions about the weather in Savannah in September:

Is September a good time to visit Savannah?

It’s always a good time to visit Savannah, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Savannah in September?

September is warm in Savannah. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Savannah rainy in September?

Savannah is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Savannah in September?

Usually, it’s not very sunny in Savannah in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Savannah

Source of the data

For this page, we’ve looked at the typical weather in Savannah, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.