September Weather in Muncie, United States

Last updated: June 24, 2025

In September, the average temperature in Muncie, United States hovers around 20°C (69°F), offering a pleasant climate for exploration. Expect temperatures to range from a cool 4°C (40°F) to a warm 33°C (91°F). Keep your umbrella handy, as 77 mm (3.0 in) of precipitation can be expected over 7 days, with an average humidity of 78% adding a touch of tropical feel to your experience. Enjoy the vibrant atmosphere that this month brings!

September Temperature in Muncie

In September in Muncie, the average temperature is 20°C (69°F). Maximum temperatures can reach 33°C (91°F), while minimum temperatures can drop as low as 4°C (40°F). This range of temperatures makes Muncie a great destination for outdoor activities and versatile wardrobe choices during your travels.

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

The chart illustrates September temperature patterns in Muncie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muncie, September typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec293242516473767369574135
Data source: Temperature data for Muncie 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 Muncie

In Muncie in September, the precipitation amount is 77 mm (3.0 in) over the course of 7 days.

September Precipitation Trends in Muncie

The chart displays monthly precipitation patterns in Muncie, 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 Muncie, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec78911129613311110894771028571
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Muncie

In Muncie in September, humidity is 78%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick and heavy, urging you to seek out shaded areas and refreshing drinks.

September Average Humidity in Muncie

This chart illustrates the average monthly humidity levels in Muncie, 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 Muncie is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Muncie

In Muncie in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Muncie.

Maximum UV Index Levels in Muncie for September

The chart shows the monthly maximum UV Index (UVI) for Muncie 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 Muncie typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Muncie 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 Muncie Compares to Other Months

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

This table compares monthly weather conditions in Muncie, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)78 mm (3.1 inches)85%moderate
February Weather0°C (33°F)91 mm (3.6 inches)85%moderate
March Weather5°C (42°F)112 mm (4.4 inches)86%high
April Weather11°C (51°F)96 mm (3.8 inches)87%very high
May Weather18°C (64°F)133 mm (5.2 inches)81%very high
June Weather23°C (73°F)111 mm (4.4 inches)82%extreme
July Weather24°C (76°F)108 mm (4.2 inches)81%very high
August Weather23°C (74°F)94 mm (3.7 inches)79%very high
September Weather20°C (69°F)77 mm (3.0 inches)78%very high
October Weather14°C (57°F)102 mm (4.0 inches)81%high
November Weather5°C (42°F)85 mm (3.3 inches)89%moderate
December Weather2°C (36°F)71 mm (2.8 inches)86%low

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