September Weather in Swainsboro, United States

Last updated: June 24, 2025

In Swainsboro, United States, the average temperature in September hovers around 26°C (80°F). Expect a range of temperatures, with minimums dipping to 13°C (56°F) and maximums soaring to 39°C (102°F). During this month, you can anticipate about 89 mm (3.5 in) of precipitation spread over 9 days, contributing to an average humidity level of 83%. Enjoy the warm, tropical vibes while staying prepared for a few rainy days!

September Temperature in Swainsboro

In September, in Swainsboro, the average temperature is 26°C (80°F). Maximum temperatures can reach 39°C (102°F), while minimum temperatures can drop as low as 13°C (56°F). This makes Swainsboro in September a great destination for travelers looking for warm weather, but it's advisable to prepare for both hot days and cooler evenings.

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

The chart illustrates September temperature patterns in Swainsboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swainsboro, September typically has an average temperature of 26°C (80°F), with highs reaching up to 39°C (102°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec515761677580838279715853
Data source: Temperature data for Swainsboro 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 Swainsboro

In Swainsboro in September, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.

September Precipitation Trends in Swainsboro

The chart displays monthly precipitation patterns in Swainsboro, 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 Swainsboro, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec83100698783102122122898459123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Swainsboro

In Swainsboro in September humidity is 83%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable; you may find yourself needing frequent breaks for hydration and cool shade as the thick air clings to your skin.

September Average Humidity in Swainsboro

This chart illustrates the average monthly humidity levels in Swainsboro, 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 Swainsboro is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%81%81%79%75%75%80%81%83%78%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Swainsboro

In Swainsboro in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Swainsboro.

Maximum UV Index Levels in Swainsboro for September

The chart shows the monthly maximum UV Index (UVI) for Swainsboro 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 Swainsboro typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Swainsboro 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 Swainsboro Compares to Other Months

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

This table compares monthly weather conditions in Swainsboro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)83 mm (3.3 inches)86%moderate
February Weather14°C (57°F)100 mm (3.9 inches)81%high
March Weather16°C (61°F)69 mm (2.7 inches)81%very high
April Weather19°C (67°F)87 mm (3.4 inches)79%very high
May Weather24°C (76°F)82 mm (3.2 inches)75%extreme
June Weather27°C (80°F)102 mm (4.0 inches)75%extreme
July Weather28°C (83°F)122 mm (4.8 inches)80%extreme
August Weather28°C (82°F)122 mm (4.8 inches)81%extreme
September Weather26°C (80°F)89 mm (3.5 inches)83%very high
October Weather22°C (72°F)84 mm (3.3 inches)78%very high
November Weather14°C (58°F)59 mm (2.3 inches)85%high
December Weather12°C (53°F)123 mm (4.8 inches)87%moderate

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