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September Weather in Elkhart, United States

Last updated: June 24, 2025

In September, the average temperature in Elkhart, United States hovers around 27°C (80°F), offering a warm and inviting climate. However, be prepared for temperature fluctuations, with minimums dipping to 11°C (52°F) and maximums soaring to 39°C (103°F). Rainfall is expected, accumulating to about 85 mm (3.3 in) over 10 days, while humidity levels average at a comfortable 69%.

September Temperature in Elkhart

In September in Elkhart, the average temperature is 27°C (80°F). Maximums can reach up to 39°C (103°F), while minimums can drop as low as 11°C (52°F). This temperature range makes it advisable to pack both light clothing for the heat and warmer layers for cooler evenings when traveling.

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

The chart illustrates September temperature patterns in Elkhart, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Elkhart, September typically has an average temperature of 27°C (80°F), with highs reaching up to 39°C (103°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec505262667581858580705854
Data source: Temperature data for Elkhart 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 Elkhart

In Elkhart in September, the precipitation amount is 85 mm (3.3 in) over the course of 10 days.

September Precipitation Trends in Elkhart

The chart displays monthly precipitation patterns in Elkhart, 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 Elkhart, September typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071331111351629577918512473114
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Elkhart

In Elkhart in September, humidity is 69%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace that can leave you feeling sticky and lethargic, making it essential to stay hydrated and take frequent breaks while exploring.

September Average Humidity in Elkhart

This chart illustrates the average monthly humidity levels in Elkhart, 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 Elkhart is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Elkhart

In Elkhart 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 Elkhart.

Maximum UV Index Levels in Elkhart for September

The chart shows the monthly maximum UV Index (UVI) for Elkhart 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 Elkhart typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111111121110864
Data source: Elkhart 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 Elkhart Compares to Other Months

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

This table compares monthly weather conditions in Elkhart, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)107 mm (4.2 inches)79%moderate
February Weather11°C (52°F)133 mm (5.3 inches)80%high
March Weather17°C (62°F)111 mm (4.4 inches)78%very high
April Weather19°C (66°F)135 mm (5.3 inches)79%extreme
May Weather24°C (75°F)162 mm (6.4 inches)81%extreme
June Weather27°C (82°F)95 mm (3.8 inches)77%extreme
July Weather29°C (85°F)77 mm (3.0 inches)71%extreme
August Weather30°C (86°F)91 mm (3.6 inches)67%extreme
September Weather27°C (80°F)85 mm (3.3 inches)69%very high
October Weather21°C (70°F)124 mm (4.9 inches)73%very high
November Weather15°C (59°F)73 mm (2.9 inches)82%high
December Weather12°C (54°F)114 mm (4.5 inches)87%moderate

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