Savannah weather in September
September in Savannah: hot, rainy, with clean air — a good time to visit.
#9 of 12 months in Savannah · #437 of 604 destinations to visit in September · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Savannah climate normals — September
| Daytime high | 29°C / 84°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 119 mm / 4.7 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 12.4 h | |
| Wind | 20 km/h / 13 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Savannah in September — FAQ
- Is September a good time to visit Savannah?
- September in Savannah: hot, rainy, with clean air — a good time to visit. It ranks #9 of 12 months for Savannah on SeasonMap's comfort score (69/100).
- What is the weather like in Savannah in September?
- In September, Savannah averages a daily high of 28.8°C and a low of 21.7°C, with about 119.1 mm of rain over roughly 14 rainy days.
- What is the air quality in Savannah in September?
- Savannah has a mean US Air Quality Index of about 46 in September.