September Weather in Mapleton, United States

Last updated: June 24, 2025

In September, the average temperature in Mapleton, United States hovers around 16°C (61°F). While you might enjoy pleasant days, be prepared for a range, where temperatures can dip to a chilly -5°C (23°F) or soar up to a sweltering 33°C (92°F). Expect 26 mm (1.0 in) of precipitation spread over about 3 days, and with an average humidity of 46%, it’s wise to plan your activities accordingly!

September Temperature in Mapleton

In September in Mapleton, the average temperature is 16°C (61°F). The maximum can reach 33°C (92°F), and the minimum can be as low as -5°C (23°F). This makes Mapleton a great destination for travelers looking to experience a range of weather conditions and enjoy a variety of outdoor activities.

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 16°C (61°F), with highs reaching up to 33°C (92°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Mapleton generated using information from the Copernicus Climate Change Service.

September Precipitation in Mapleton

In Mapleton in September, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 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 26 mm (1.0 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Mapleton

In Mapleton in September, humidity is 46%. With an average temperature of 16°C (61°F), this humidity feels like a refreshing, mildly cool environment for traveling, where the air is crisp enough to keep you comfortable while exploring the sights without feeling stifling or oppressive.

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 46%, offering insight into how humid the weather typically is during this month.

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 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 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	68 mm (2.7 inches)	91%	moderate
February Weather	-4°C (26°F)	73 mm (2.9 inches)	92%	high
March Weather	1°C (34°F)	60 mm (2.4 inches)	84%	very high
April Weather	4°C (40°F)	50 mm (2.0 inches)	74%	extreme
May Weather	10°C (50°F)	47 mm (1.9 inches)	62%	extreme
June Weather	18°C (65°F)	14 mm (0.5 inches)	56%	extreme
July Weather	22°C (73°F)	15 mm (0.6 inches)	44%	extreme
August Weather	21°C (70°F)	16 mm (0.6 inches)	37%	extreme
September Weather	16°C (61°F)	26 mm (1.0 inches)	46%	very high
October Weather	6°C (44°F)	40 mm (1.6 inches)	67%	high
November Weather	1°C (34°F)	39 mm (1.5 inches)	84%	moderate
December Weather	-5°C (23°F)	61 mm (2.4 inches)	88%	moderate