Savannah in September

In September, Savannah averages 29°C (84°F) during the day and 21°C (70°F) at night, with frequent rain — about 20 days of the month see precipitation (150 mm total).

Off-peak

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

It's peak hurricane season in Savannah during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

29°C
Avg high
21°C
Avg low
20
Rain days
150 mm
Rainfall

How September compares to the rest of the year in Savannah

4th
warmest month of the 12
4th
wettest month of the 12
11%
of yearly rainfall falls in September
12 h 23 min
daylight on the 15th

September is in the middle of the year for warmth in Savannah (4th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 4°C above the annual average (24°C). September runs 2°C cooler than August (31°C) and cools 4°C in October (25°C).

September sunrise & sunset in Savannah

🌅
Sunrise (15th)
7:08 AM
🌇
Sunset (15th)
7:31 PM
Day length
12 h 23 min

Times shown for Savannah local time (America/New_York), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Savannah — September

Golden-hour and blue-hour windows for the 15th of September, in Savannah's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
6:08 AM – 6:48 AM
🌄 Golden hour (AM)
6:48 AM – 7:48 AM
🌇 Golden hour (PM)
6:51 PM – 7:51 PM
🌆 Blue hour (PM)
7:51 PM – 8:31 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Savannah.

📅 When to book — Savannah in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Off-peak) and Savannah's popularity.

✈ Flights — lead time
3-6 weeks
Cheapest flights of the year. Last-minute deals are real if you can be flexible. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
2-4 weeks
Last-minute bookings work fine. Some seasonal properties close — call ahead if it's a small boutique or beach resort.

Crowds & pricing — September in Savannah

Off-peak

This is off-peak for Savannah — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.

Why this tier: peak hazard season (1 active)

Sun & mosquito risk — September in Savannah

☀️ UV Index (noon, 15th)
10.8
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Savannah in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 16°C / 60°F 6°C / 43°F 79 mm 13
February 19°C / 66°F 9°C / 48°F 78 mm 14
March 21°C / 71°F 11°C / 52°F 81 mm 14
April 25°C / 76°F 15°C / 58°F 100 mm 13
May 28°C / 83°F 19°C / 66°F 85 mm 17
June 31°C / 87°F 22°C / 72°F 147 mm 22
July 32°C / 90°F 24°C / 75°F 142 mm 26
August 31°C / 87°F 24°C / 75°F 185 mm 27
September 29°C / 84°F 21°C / 70°F 150 mm 20
October 25°C / 78°F 17°C / 62°F 84 mm 12
November 20°C / 68°F 11°C / 51°F 85 mm 11
December 18°C / 64°F 9°C / 48°F 111 mm 12

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Savannah in September →

Frequently asked questions

How hot is Savannah in September?

In September, Savannah averages a high of 29°C (84°F) and a low of 21°C (70°F) — generally warm.

Does it rain a lot in Savannah in September?

September is quite rainy in Savannah, with about 20 rainy days on average.

Is September a good time to visit Savannah?

September is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Savannah in September?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Savannah for a complete, climate-based checklist.

Open Savannah on the interactive map

Check the live 10-day forecast and sunrise/sunset.