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September Weather in Mapleton, United States

Last updated: June 24, 2025

In Mapleton, United States, the average temperature for September hovers around 20°C (68°F). Expect a minimum dip to 3°C (38°F) and a peak at 35°C (95°F). During this month, you'll encounter approximately 108 mm (4.3 in) of precipitation over about 9 days, with an average humidity of 75%. Embrace the diverse weather as you explore this destination!

September Temperature in Mapleton

In September in Mapleton, the average temperature is 20°C (68°F). Maximums can reach up to 35°C (95°F), while minimums can drop as low as 3°C (38°F). Be sure to pack a variety of clothing to accommodate the temperature fluctuations during your travels.

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

The chart illustrates September temperature patterns in Mapleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mapleton, September typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec232338486174777367513729
Data source: Temperature data for Mapleton 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 Mapleton

In Mapleton in September, the precipitation amount is 108 mm (4.3 in) spread over 9 days.

September Precipitation Trends in Mapleton

The chart displays monthly precipitation patterns in Mapleton, 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 Mapleton, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2636797313912254109108913041
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mapleton

In Mapleton in September, humidity is 75%. With an average temperature of 20°C (68°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and exhausted.

September Average Humidity in Mapleton

This chart illustrates the average monthly humidity levels in Mapleton, 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 Mapleton is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%75%79%74%81%82%80%75%77%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mapleton

In Mapleton 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 Mapleton.

Maximum UV Index Levels in Mapleton for September

The chart shows the monthly maximum UV Index (UVI) for Mapleton 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 Mapleton typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589111098632
Data source: Mapleton 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 Mapleton Compares to Other Months

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

This table compares monthly weather conditions in Mapleton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)26 mm (1.0 inches)80%moderate
February Weather-5°C (23°F)36 mm (1.4 inches)84%moderate
March Weather3°C (39°F)79 mm (3.1 inches)75%moderate
April Weather9°C (48°F)73 mm (2.9 inches)79%very high
May Weather16°C (61°F)139 mm (5.5 inches)74%very high
June Weather23°C (74°F)122 mm (4.8 inches)81%extreme
July Weather25°C (77°F)54 mm (2.1 inches)82%very high
August Weather23°C (73°F)109 mm (4.3 inches)80%very high
September Weather20°C (68°F)108 mm (4.3 inches)75%very high
October Weather10°C (51°F)91 mm (3.6 inches)77%high
November Weather3°C (38°F)30 mm (1.2 inches)85%moderate
December Weather-2°C (29°F)40 mm (1.6 inches)83%low

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