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September Weather in Sunman, United States

Last updated: June 24, 2025

In September, the average temperature in Sunman, United States hovers around 21°C (70°F). Expect a comfortable range, with minimums dipping to 6°C (43°F) and maximums reaching up to 34°C (94°F). Throughout the month, prepare for 83 mm (3.3 in) of precipitation spread over 8 days, while the average humidity sits at a mild 69%.

September Temperature in Sunman

In September in Sunman, the average temperature is 21°C (70°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 6°C (43°F). This varied climate makes it an ideal destination for travelers looking to experience a mix of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Sunman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunman, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec323644546573777470584338
Data source: Temperature data for Sunman 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 Sunman

In Sunman in September, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.

September Precipitation Trends in Sunman

The chart displays monthly precipitation patterns in Sunman, 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 Sunman, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec80106136117129135115103839897102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sunman

In Sunman in September humidity is 69%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but requiring occasional breaks for hydration and shade during your travels.

September Average Humidity in Sunman

This chart illustrates the average monthly humidity levels in Sunman, 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 Sunman is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sunman

In Sunman 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 Sunman.

Maximum UV Index Levels in Sunman for September

The chart shows the monthly maximum UV Index (UVI) for Sunman 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 Sunman typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Sunman 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 Sunman Compares to Other Months

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

This table compares monthly weather conditions in Sunman, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)80 mm (3.1 inches)87%moderate
February Weather2°C (36°F)106 mm (4.2 inches)85%moderate
March Weather7°C (45°F)136 mm (5.3 inches)86%high
April Weather12°C (54°F)117 mm (4.6 inches)84%very high
May Weather18°C (65°F)129 mm (5.1 inches)79%very high
June Weather23°C (73°F)135 mm (5.3 inches)82%very high
July Weather25°C (77°F)115 mm (4.5 inches)79%very high
August Weather24°C (75°F)103 mm (4.1 inches)70%very high
September Weather21°C (70°F)83 mm (3.3 inches)69%very high
October Weather15°C (59°F)98 mm (3.9 inches)76%high
November Weather6°C (43°F)97 mm (3.8 inches)88%moderate
December Weather3°C (38°F)102 mm (4.0 inches)87%moderate

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