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September Weather in Hardin, United States

Last updated: June 24, 2025

In September, the average temperature in Hardin, United States hovers around 23°C (74°F). Expect a refreshing range, with minimums dipping to 11°C (51°F) and maximums soaring to 36°C (97°F). Rain may visit, bringing 98 mm (3.8 in) over approximately 6 days, while the average humidity rests at a comfortable 75%.

September Temperature in Hardin

In September in Hardin, the average temperature is 23°C (74°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as 11°C (51°F). This makes Hardin an ideal destination for travelers seeking pleasant weather with a mix of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Hardin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hardin, September typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec384251587077817874634844
Data source: Temperature data for Hardin 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 Hardin

In Hardin in September, the precipitation amount is 98 mm (3.8 in) over the course of 6 days.

September Precipitation Trends in Hardin

The chart displays monthly precipitation patterns in Hardin, 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 Hardin, September typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec9715014314313111910610898114101120
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hardin

In Hardin 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 Hardin

This chart illustrates the average monthly humidity levels in Hardin, 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 Hardin 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 Hardin

In Hardin 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 Hardin.

Maximum UV Index Levels in Hardin for September

The chart shows the monthly maximum UV Index (UVI) for Hardin 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 Hardin typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Hardin 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 Hardin Compares to Other Months

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

This table compares monthly weather conditions in Hardin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)97 mm (3.8 inches)86%moderate
February Weather6°C (42°F)150 mm (5.9 inches)84%high
March Weather11°C (51°F)143 mm (5.6 inches)84%high
April Weather15°C (58°F)143 mm (5.6 inches)80%very high
May Weather21°C (70°F)131 mm (5.1 inches)82%extreme
June Weather25°C (77°F)118 mm (4.7 inches)83%extreme
July Weather27°C (81°F)106 mm (4.2 inches)79%extreme
August Weather26°C (78°F)108 mm (4.3 inches)76%very high
September Weather23°C (74°F)98 mm (3.8 inches)75%very high
October Weather17°C (63°F)114 mm (4.5 inches)74%high
November Weather9°C (48°F)101 mm (4.0 inches)85%moderate
December Weather7°C (44°F)120 mm (4.7 inches)88%moderate

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