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September Weather in Savanna, United States

Last updated: June 24, 2025

In September, the average temperature in Savanna, United States hovers around 25°C (77°F), offering a pleasant climate. However, be prepared for temperature fluctuations, with lows dipping to 9°C (48°F) and highs soaring to 38°C (101°F). The region experiences an average precipitation of 109 mm (4.3 in) over 7 days, while humidity levels remain at a comfortable 64%.

September Temperature in Savanna

In September in Savanna, the average temperature is 25°C (77°F). Maximums can reach 38°C (101°F), while minimums can dip as low as 9°C (48°F). Pack accordingly for warm days and cooler nights when traveling to Savanna in September.

September Weather in Savanna: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Savanna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Savanna, September typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec424456617079828176635247
Data source: Temperature data for Savanna generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Savanna

In Savanna in September, the precipitation amount is 109 mm (4.3 in) over a period of 7 days.

September Precipitation Trends in Savanna

The chart displays monthly precipitation patterns in Savanna, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Savanna, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6810110412218985681001091475879
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Savanna

In Savanna in September, humidity is 64%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor excursions feel a bit heavier, yet still inviting for travelers seeking a vibrant atmosphere.

September Average Humidity in Savanna

This chart illustrates the average monthly humidity levels in Savanna, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Savanna is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Savanna

In Savanna in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Savanna.

Maximum UV Index Levels in Savanna for September

The chart shows the monthly maximum UV Index (UVI) for Savanna in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Savanna typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109754
Data source: Savanna September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Savanna Compares to Other Months

Weather in Savanna varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Savanna, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Savanna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)68 mm (2.7 inches)79%moderate
February Weather7°C (44°F)101 mm (4.0 inches)78%high
March Weather13°C (56°F)104 mm (4.1 inches)75%high
April Weather16°C (61°F)122 mm (4.8 inches)75%very high
May Weather21°C (71°F)189 mm (7.4 inches)83%very high
June Weather26°C (79°F)85 mm (3.4 inches)81%extreme
July Weather28°C (83°F)68 mm (2.7 inches)78%extreme
August Weather27°C (81°F)100 mm (3.9 inches)68%very high
September Weather25°C (77°F)109 mm (4.3 inches)64%very high
October Weather17°C (64°F)146 mm (5.8 inches)71%high
November Weather11°C (52°F)58 mm (2.3 inches)82%moderate
December Weather8°C (47°F)79 mm (3.1 inches)87%moderate

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