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September Weather in Hart, United States

Last updated: June 24, 2025

In September, the average temperature in Hart, United States hovers around 22°C (72°F). Expect a wide range, with a minimum of 2°C (37°F) and potentially soaring to a maximum of 37°C (99°F). Rainfall is modest, with about 40 mm (1.6 in) spread over 6 days, while the average humidity sits at a comfortable 72%.

September Temperature in Hart

In September in Hart, the average temperature is 22°C (72°F). Maximum temperatures can reach up to 37°C (99°F), while minimums can drop as low as 2°C (37°F). It's advisable to pack layers and prepare for both warm days and cool nights while traveling.

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

The chart illustrates September temperature patterns in Hart, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hart, September typically has an average temperature of 22°C (72°F), with highs reaching up to 37°C (99°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec394152586877807872584942
Data source: Temperature data for Hart 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 Hart

In Hart in September, the precipitation amount is 40 mm (1.6 in) over the course of 6 days.

September Precipitation Trends in Hart

The chart displays monthly precipitation patterns in Hart, 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 Hart, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec171240265935274440581316
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hart

In Hart in September humidity is 72%. With an average temperature of 22°C (72°F), this humidity feels like you are stepping into a warm, embracing blanket, making traveling feel sweaty and slightly stifling, but the balmy weather is also quite perfect for exploring local attractions.

September Average Humidity in Hart

This chart illustrates the average monthly humidity levels in Hart, 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 Hart is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%64%70%78%81%82%78%72%73%81%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hart

In Hart 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 Hart.

Maximum UV Index Levels in Hart for September

The chart shows the monthly maximum UV Index (UVI) for Hart 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 Hart typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110864
Data source: Hart 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 Hart Compares to Other Months

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

This table compares monthly weather conditions in Hart, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)17 mm (0.7 inches)75%moderate
February Weather5°C (41°F)12 mm (0.5 inches)76%high
March Weather11°C (52°F)39 mm (1.6 inches)64%very high
April Weather14°C (58°F)26 mm (1.0 inches)70%extreme
May Weather20°C (69°F)59 mm (2.3 inches)78%extreme
June Weather25°C (77°F)35 mm (1.4 inches)81%extreme
July Weather26°C (80°F)27 mm (1.1 inches)82%extreme
August Weather26°C (78°F)44 mm (1.7 inches)78%extreme
September Weather22°C (72°F)40 mm (1.6 inches)72%very high
October Weather15°C (59°F)58 mm (2.3 inches)73%very high
November Weather9°C (49°F)13 mm (0.5 inches)80%high
December Weather6°C (42°F)16 mm (0.6 inches)81%moderate

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