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September Weather in Elkhart, United States

Last updated: June 24, 2025

In September, the average temperature in Elkhart, United States is a pleasant 20°C (68°F). However, be prepared for a range, as temperatures can dip to a minimum of 4°C (40°F) or soar up to a maximum of 34°C (93°F). With an average humidity of 73% and precipitation totaling 122 mm (4.8 in) over 10 days, it's wise to pack accordingly for this diverse weather!

September Temperature in Elkhart

In September in Elkhart, the average temperature is 20°C (68°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (40°F). This variety in temperature makes it a great time for travelers to enjoy both outdoor activities and cozy indoor experiences.

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 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec222339496274777468523830
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 total precipitation amount reaches 122 mm (4.8 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 122 mm (4.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec3842817716811274831221334137
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 73%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky, yet the atmosphere remains pleasant for leisurely strolls and sightseeing.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
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 Weather-6°C (22°F)38 mm (1.5 inches)78%moderate
February Weather-5°C (23°F)42 mm (1.6 inches)80%moderate
March Weather4°C (39°F)81 mm (3.2 inches)77%high
April Weather9°C (49°F)77 mm (3.0 inches)77%very high
May Weather17°C (62°F)168 mm (6.6 inches)77%very high
June Weather23°C (74°F)112 mm (4.4 inches)81%extreme
July Weather25°C (77°F)74 mm (2.9 inches)81%very high
August Weather23°C (74°F)83 mm (3.3 inches)77%very high
September Weather20°C (68°F)122 mm (4.8 inches)73%very high
October Weather11°C (53°F)133 mm (5.2 inches)75%high
November Weather3°C (38°F)41 mm (1.6 inches)85%moderate
December Weather-1°C (31°F)37 mm (1.4 inches)83%moderate

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