September Weather in Thompsonville, United States

Last updated: June 24, 2025

In Thompsonville, United States, the average temperature in September hovers around 23°C (74°F). Expect a range from a chilly 8°C (48°F) to a warm 35°C (95°F) throughout the month. With an average precipitation of 71 mm (2.8 in) over 7 days, and humidity levels reaching 75%, it's a good idea to pack accordingly for both warmth and potential rain!

September Temperature in Thompsonville

In September in Thompsonville, the average temperature is 23°C (74°F). Maximums can reach 35°C (95°F) and minimums can be as low as 8°C (48°F). This makes it a great time for travelers to enjoy a mix of warm days and cooler evenings while exploring the area.

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

The chart illustrates September temperature patterns in Thompsonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thompsonville, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec353849576977817773614541
Data source: Temperature data for Thompsonville 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 Thompsonville

In Thompsonville in September, the precipitation amount is 71 mm (2.8 in) over a span of 7 days.

September Precipitation Trends in Thompsonville

The chart displays monthly precipitation patterns in Thompsonville, 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 Thompsonville, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec961101401361391068582711109289
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Thompsonville

In Thompsonville in September, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

September Average Humidity in Thompsonville

This chart illustrates the average monthly humidity levels in Thompsonville, 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 Thompsonville is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Thompsonville

In Thompsonville 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 Thompsonville.

Maximum UV Index Levels in Thompsonville for September

The chart shows the monthly maximum UV Index (UVI) for Thompsonville 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 Thompsonville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110109753
Data source: Thompsonville 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 Thompsonville Compares to Other Months

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

This table compares monthly weather conditions in Thompsonville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)96 mm (3.8 inches)86%moderate
February Weather4°C (39°F)110 mm (4.3 inches)84%moderate
March Weather9°C (49°F)140 mm (5.5 inches)84%high
April Weather14°C (57°F)136 mm (5.4 inches)80%very high
May Weather20°C (69°F)139 mm (5.5 inches)82%extreme
June Weather25°C (78°F)106 mm (4.2 inches)83%extreme
July Weather27°C (81°F)85 mm (3.3 inches)79%very high
August Weather25°C (78°F)82 mm (3.2 inches)76%very high
September Weather23°C (74°F)71 mm (2.8 inches)75%very high
October Weather16°C (61°F)110 mm (4.3 inches)74%high
November Weather7°C (46°F)92 mm (3.6 inches)85%moderate
December Weather5°C (41°F)89 mm (3.5 inches)88%moderate

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