September Weather in Sturgis, United States

Last updated: June 24, 2025

In September, the average temperature in Sturgis, United States hovers around 23°C (74°F), with a minimum of 9°C (48°F) and a maximum reaching 36°C (97°F). Expect 91 mm (3.6 in) of precipitation over approximately 7 days, coupled with an average humidity level of 75%. Stay prepared for a mix of warm days and refreshing showers!

September Temperature in Sturgis

In September in Sturgis, the average temperature is 23°C (74°F). Maximums can reach 36°C (97°F) while minimums can drop to as low as 9°C (48°F). This varied climate makes Sturgis an ideal destination for travelers seeking both warmth and cooler moments throughout the day.

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

The chart illustrates September temperature patterns in Sturgis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sturgis, 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 9°C (48°F).

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

September Precipitation in Sturgis

In Sturgis in September, the precipitation amount is 91 mm (3.6 in) over a span of 7 days.

September Precipitation Trends in Sturgis

The chart displays monthly precipitation patterns in Sturgis, 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 Sturgis, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Sturgis

In Sturgis 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 Sturgis

This chart illustrates the average monthly humidity levels in Sturgis, 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 Sturgis is approximately 75%, 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 Sturgis

In Sturgis 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 Sturgis.

Maximum UV Index Levels in Sturgis for September

The chart shows the monthly maximum UV Index (UVI) for Sturgis 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 Sturgis typically reaches 9, which falls under the very high exposure category.

Data source: Sturgis 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 Sturgis Compares to Other Months

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

This table compares monthly weather conditions in Sturgis, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	96 mm (3.8 inches)	86%	moderate
February Weather	4°C (40°F)	127 mm (5.0 inches)	84%	high
March Weather	10°C (50°F)	126 mm (5.0 inches)	84%	high
April Weather	14°C (58°F)	137 mm (5.4 inches)	80%	very high
May Weather	21°C (69°F)	124 mm (4.9 inches)	82%	extreme
June Weather	25°C (77°F)	116 mm (4.6 inches)	83%	extreme
July Weather	27°C (80°F)	98 mm (3.8 inches)	79%	very high
August Weather	25°C (78°F)	86 mm (3.4 inches)	76%	very high
September Weather	23°C (74°F)	91 mm (3.6 inches)	75%	very high
October Weather	16°C (62°F)	118 mm (4.6 inches)	74%	high
November Weather	8°C (46°F)	84 mm (3.3 inches)	85%	moderate
December Weather	6°C (43°F)	98 mm (3.8 inches)	88%	moderate