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September Weather in Jonesville, United States

Last updated: June 24, 2025

In Jonesville, United States, the average temperature in September hovers around 24°C (75°F). Expect a broad range, with minimums dipping to 9°C (49°F) and maximums reaching up to 35°C (96°F). During this time, precipitation totals approximately 119 mm (4.7 in), spread over about 8 days, while humidity levels remain relatively high at an average of 75%.

September Temperature in Jonesville

In September in Jonesville, the average temperature is 24°C (75°F), with maximums reaching up to 35°C (96°F) and minimums dipping as low as 9°C (49°F). This variability makes it an ideal destination for travelers seeking a warm climate with the option for cooler evenings.

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

The chart illustrates September temperature patterns in Jonesville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jonesville, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec455055637177817975665248
Data source: Temperature data for Jonesville 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 Jonesville

In Jonesville in September, the precipitation amount is 119 mm (4.7 in) over a span of 8 days.

September Precipitation Trends in Jonesville

The chart displays monthly precipitation patterns in Jonesville, 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 Jonesville, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec95123921141219011412711910496126
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jonesville

In Jonesville in September humidity is 75%. With average temperature 24°C (75°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel especially stifling and leaving you yearning for cool breezes and refreshingly cold drinks.

September Average Humidity in Jonesville

This chart illustrates the average monthly humidity levels in Jonesville, 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 Jonesville is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jonesville

In Jonesville 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 Jonesville.

Maximum UV Index Levels in Jonesville for September

The chart shows the monthly maximum UV Index (UVI) for Jonesville 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 Jonesville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109863
Data source: Jonesville 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 Jonesville Compares to Other Months

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

This table compares monthly weather conditions in Jonesville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)95 mm (3.7 inches)86%moderate
February Weather10°C (51°F)123 mm (4.9 inches)85%high
March Weather13°C (55°F)92 mm (3.6 inches)84%very high
April Weather17°C (63°F)114 mm (4.5 inches)82%very high
May Weather22°C (72°F)121 mm (4.8 inches)83%extreme
June Weather25°C (77°F)90 mm (3.5 inches)82%extreme
July Weather27°C (81°F)114 mm (4.5 inches)80%extreme
August Weather26°C (79°F)127 mm (5.0 inches)74%very high
September Weather24°C (75°F)119 mm (4.7 inches)75%very high
October Weather19°C (66°F)104 mm (4.1 inches)79%very high
November Weather11°C (52°F)96 mm (3.8 inches)87%high
December Weather9°C (48°F)126 mm (5.0 inches)87%moderate

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