Last updated: February 24, 2025
In September, Savannah, United States, showcases a vibrant blend of warm temperatures and notable humidity, with maximums reaching 33°C (92°F) and an average of 26°C (79°F). The month experiences a significant amount of rainfall, accumulating 131 mm (5.2 in) over about 14 days, contributing to the lush greenery characteristic of the region. Humidity levels remain high at 83%, enhancing the subtropical atmosphere, making late summer in Savannah an experience rich in warmth and occasional refreshing showers. Embrace the charm of Savannah as it transitions towards autumn, where the balmy weather invites exploration and adventure.
As summer transitions into fall, Savannah experiences a delightful shift in temperatures during September. The month begins with a comfortable minimum of 17°C (63°F), rising to an average of 26°C (79°F) and peaking at a warm 33°C (92°F). This warm weather resembles the previous months, yet it subtly hints at the upcoming cooler autumn days. The average temperature remains consistent with August, but the evenings start to feel a touch cooler, inviting residents and visitors alike to enjoy the balmy yet refreshing atmosphere. This combination of warmth and delicately dropping temperatures marks September as a perfect time for outdoor activities, making it a vibrant chapter in Savannah's year.
In September, Savannah experiences a notable shift in precipitation, receiving an average of 131 mm (5.2 in) of rainfall over about 14 days. This marks a decrease from the heavier downpours of August, which saw 168 mm (6.6 in) spread across 22 days. As the summer heat wanes, the city transitions into a more moderate wet season, with September’s rainfall often characterized by brief, intense storms rather than extended showers. This pattern not only contributes to the city's lush greenery but also sets the stage for the drier months ahead, with precipitation levels typically tapering off in October. Overall, September serves as a bridge between the summer’s humidity and the approaching fall, making it a pivotal month in Savannah's climatic cycle.
As summer transitions into fall, September in Savannah welcomes a notable humidity level of 83%, slightly higher than the preceding months of July and August, which both recorded 82%. This slight uptick signals the lingering warmth of summer, though it hints at the approaching relief of autumn. Throughout the year, Savannah's humidity exhibits a predictable ebb and flow; it peaks in the colder months of December at 85% and tapers off in the spring, reaching its lowest point of 72% in both April and May. As the vibrant city gears up for the cooler October days ahead, September's humidity remains a comfortable reminder of the closing summer days, painting a picture of a climate rich with warmth and Southern charm.
In September, Savannah experiences a UV Index of 10, marking a transition from the peak summer extreme levels, which consistently hovered around 11 throughout the previous months. This indicates a very high exposure category, with a burn time of 15 minutes, slightly improving the safety window compared to the blistering summer days. As the warmth begins to wane, residents and visitors alike should remain vigilant about sun protection, especially since September’s UV levels are still significantly elevated, comparable to earlier months like April and May. With the shift towards fall, this is a great time to enjoy the outdoors while staying mindful of UV exposure. For more details on sun safety, check out Savannah UV Index.
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As summer gracefully transitions into fall, September in Savannah continues to bask in an impressive 299 hours of sunshine. This sunny month marks a slight decline from the peak of 343 hours in July, yet it still offers abundant opportunities to enjoy the outdoors. The brightness of September is a delightful lingering touch of summer, outshining the earlier months of the year like January and November. Visitors and residents alike can relish the warm, golden days that hint at the cooler, enchanting autumn ahead, making Savannah a picturesque haven to soak up the sun in early fall.
As summer transitions to fall, September in Savannah offers a promising 49% chance of sunny weather, making it one of the more favorable months for basking in the sun. Notably, this figure reflects a rebound from the dip in sunny days during the height of summer, where percentages plummet to 25% in June and 30% in July. It stands out positively against the milder gloom of August, which sees only 26% sunshine. Moreover, September's sun-kissed opportunities are nearly on par with May, which boasts a 52% likelihood of clear skies, hinting at a lovely balance of warmth and light as autumn approaches. Overall, the trend suggests that while summer's heat may linger, Savannah begins to welcome more enjoyable, sun-filled days as it edges toward fall.
As September rolls into Savannah, the summer sun begins to wane, bringing a slight decrease in daylight to 12 hours each day. This transition is part of a broader trend seen throughout the year, where daylight peaks in June at a vibrant 14 hours, gradually tapering off as we move into the fall months. With 13 hours of daylight lingering in July and August, September marks a noticeable shift toward shorter days, a precursor to the equal 10-hour stretches of daylight typical in January and December. This rhythmic ebb and flow of sunlight not only influences the city's natural ambiance but also hints at the seasonal changes ahead, inviting residents and visitors alike to embrace the gentle transition into autumn.
As summer transitions to fall in Savannah, the September winds whisper a gentle farewell to the hotter months, with an average speed of 3.3 m/s (7 mph)—the lowest of the year. This subtle decline in wind often coincides with a shift in the atmosphere, as the city begins to feel the embrace of cooler temperatures. The wind speed gradually decreased throughout the summer months, from 3.7 m/s (8 mph) in July to 3.5 m/s (8 mph) in August, marking a tranquil period perfect for outdoor strolls through the historic streets. With autumn on the horizon, September’s light breezes create a serene backdrop, inviting locals and visitors alike to savor the slow transition of seasons in this charming Southern city.
The weather in Savannah changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Savannah and find detailed weather information for every month.
In September, the weather is warm and humid, with average temperatures ranging from a mild 17°C (63°F) to a hot 33°C (92°F), accompanied by significant rainfall of 131 mm (5.2 in) over approximately 14 days. In contrast, January brings much cooler temperatures, where the range dips down to a minimum of -3°C (27°F) and an average high of 24°C (76°F), with less precipitation at 62 mm (2.4 in) over only 7 days. The humidity remains high in both months, at 83% in September and 84% in January, but the winter chill creates a stark contrast to the summer warmth. For more detailed information on January weather, you can visit Savannah weather in January.
September and February present contrasting weather experiences. In September, temperatures range from a mild 17°C (63°F) to a sweltering 33°C (92°F), with an average of 26°C (79°F). The month witnesses significant rainfall, totaling 131 mm (5.2 in) over approximately 14 days, along with high humidity levels at 83%. In stark contrast, February offers a cooler climate, with temperatures varying from a chilly 1°C (35°F) to a comfortable 24°C (76°F) and an average of 14°C (57°F). Precipitation is less intense during this month, with only 84 mm (3.3 in) spread across about 11 days, and humidity levels are slightly lower at 79%. For more detailed insights, you can check Savannah weather in February.
September and March showcase strikingly different weather patterns. September boasts warmer temperatures, with a minimum of 17°C (63°F) and an average high of 33°C (92°F), while March is much cooler, starting at a minimum of 1°C (34°F) and averaging around 16°C (61°F). Additionally, September experiences significantly more rainfall, with 131 mm (5.2 in) over 14 days compared to March's milder 66 mm (2.6 in) over just 6 days. Humidity levels are relatively close, with September at 83% and March at 78%, but the overall climate in September feels much more tropical. For more details on March weather, check out Savannah weather in March.
September and April present contrasting weather conditions. In September, temperatures are significantly warmer, with a minimum of 17°C (63°F) and an average of 26°C (79°F), peaking at a high of 33°C (92°F). This month also experiences heavier rainfall, totaling 131 mm (5.2 in) over approximately 14 rainy days, along with high humidity levels of 83%. In contrast, April brings cooler temperatures, with a minimum of 6°C (44°F) and an average of 19°C (67°F), reaching a maximum of 30°C (86°F). The precipitation in April is less, at 78 mm (3.1 in) over just 7 days, and the humidity is lower at 72%. For a detailed overview of April weather, you can visit Savannah weather in April.
In comparing the weather between September and May, September tends to be warmer with an average temperature of 26°C (79°F) compared to May's average of 23°C (74°F). Both months can reach a maximum temperature of 33°C (92°F), but September experiences higher humidity at 83% and more precipitation, totaling 131 mm (5.2 inches) over 14 days, while May sees 93 mm (3.7 inches) over just 11 days. For more specific details about May weather in Savannah, you can check Savannah weather in May.
In comparing the weather of September and June, both months exhibit similar temperature ranges, with average highs reaching 33°C (92°F) and lows around 17°C (63°F) in September and 18°C (64°F) in June. However, September tends to be slightly wetter, with 131 mm (5.2 in) of precipitation over 14 days, compared to June's 120 mm (4.7 in) across 16 days. Additionally, September experiences higher humidity levels at 83%, while June's humidity is a bit lower at 74%. For more details on June weather, you can check Savannah weather in June.
In comparison to July, September experiences slightly cooler temperatures, with a minimum of 17°C (63°F) and an average of 26°C (79°F), while July maintains a higher minimum of 23°C (73°F) and an average of 28°C (82°F). Although September’s maximum temperature can reach up to 33°C (92°F), this is just a degree lower than July’s peak of 34°C (94°F). Additionally, September sees more rainfall, totaling 131 mm (5.2 in) across 14 days, compared to July’s 154 mm (6.1 in) over 18 days. Interestingly, both months exhibit high humidity levels, with September at 83% and July slightly lower at 82%. For further details on July's weather patterns, check out Savannah weather in July.
In comparing the weather of September and August, September experiences slightly cooler temperatures, with a minimum of 17°C (63°F) and an average of 26°C (79°F), while August sees higher temperatures, showcasing a minimum of 23°C (73°F) and an average of 27°C (82°F). Although both months have similar levels of humidity, September's rainfall totals 131 mm (5.2 in) over 14 days, indicating a decrease in precipitation compared to August’s higher total of 168 mm (6.6 in) over 22 days. For detailed information, you can check out Savannah weather in August.
September's weather is characterized by warmer temperatures, with a minimum of 17°C (63°F) and an average reaching up to 26°C (79°F), while highs can soar to 33°C (92°F). The month also experiences significant rainfall, totaling 131 mm (5.2 in) over 14 days and accompanied by high humidity levels at 83%. In contrast, October brings a noticeable drop in temperature, where the minimum dips to 7°C (44°F) and the average is around 23°C (73°F), peaking at 31°C (88°F). Rainfall decreases as well, with 88 mm (3.5 in) over 11 days and slightly lower humidity at 79%. For a more detailed look at the weather in October, you can check out Savannah weather in October.
September and November exhibit marked differences in weather patterns. September typically sees warmer temperatures, with a minimum of 17°C (63°F) and an average high reaching 33°C (92°F), while November cools considerably, with temperatures dropping to a minimum of 2°C (36°F) and an average high of 28°C (82°F). Precipitation also varies, with September experiencing more rainfall at 131 mm (5.2 in) over 14 days compared to November's 91 mm (3.6 in) across just 8 days. Humidity remains relatively consistent, with September at 83% and November slightly lower at 82%. For more details on Savannah's November weather, you can visit Savannah weather in November.
September weather is characterized by warm temperatures, with a minimum of 17°C (63°F) and an average of 26°C (79°F), reaching highs of 33°C (92°F). The month experiences considerable rainfall, totaling 131 mm (5.2 in) over approximately 14 days, and a high humidity level of 83%. In contrast, December brings a significant drop in temperatures, with a minimum of -1°C (31°F), an average of 13°C (56°F), and a maximum of 23°C (73°F). Although precipitation is slightly lower at 129 mm (5.1 in) and occurs over just 9 days, humidity remains high at 85%. For more detailed insights, check out Savannah weather in December.
As summer transitions to fall, September in Savannah offers a unique blend of warmth and humidity. With temperatures peaking at warm highs and comfortable averages, it strikes a balance that's somewhat milder than the sweltering summer months. However, this shift comes with an increase in rainfall, contributing to the lush landscapes that Savannah is known for. While the humidity remains notably high, it adds to the distinct atmosphere of the city during this time. For a deeper understanding of how September weather fits into the broader climate picture, check out the detailed insights over at Savannah Climate.