September Weather in Negaunee, United States

Last updated: June 24, 2025

In September, the average temperature in Negaunee, United States is a comfortable 15°C (59°F). Be prepared for a range, as the temperature can dip to a chilly 2°C (35°F) and soar to a warm 31°C (88°F). Expect some rain, with 99 mm (3.9 in) of precipitation spread over 11 days. The average humidity hovers around a sticky 74%, suggesting a mix of warm days and refreshing showers.

September Temperature in Negaunee

In September in Negaunee, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop as low as 2°C (35°F). Be sure to pack layers for your trip, as the weather can vary greatly throughout the day.

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

The chart illustrates September temperature patterns in Negaunee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Negaunee, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (35°F).

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

September Precipitation in Negaunee

In Negaunee, in September, the precipitation amount is 99 mm (3.9 in) over the course of 11 days.

September Precipitation Trends in Negaunee

The chart displays monthly precipitation patterns in Negaunee, 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 Negaunee, September typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 11 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 Negaunee

In Negaunee in September, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.

September Average Humidity in Negaunee

This chart illustrates the average monthly humidity levels in Negaunee, 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 Negaunee is approximately 74%, 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 Negaunee

In Negaunee in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Negaunee.

Maximum UV Index Levels in Negaunee for September

The chart shows the monthly maximum UV Index (UVI) for Negaunee 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 Negaunee typically reaches 7, which falls under the high exposure category.

Data source: Negaunee 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 Negaunee Compares to Other Months

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

This table compares monthly weather conditions in Negaunee, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	42 mm (1.7 inches)	92%	low
February Weather	-8°C (17°F)	59 mm (2.3 inches)	92%	moderate
March Weather	-3°C (27°F)	55 mm (2.2 inches)	88%	moderate
April Weather	2°C (36°F)	92 mm (3.6 inches)	86%	high
May Weather	10°C (50°F)	74 mm (2.9 inches)	78%	very high
June Weather	16°C (61°F)	105 mm (4.1 inches)	74%	very high
July Weather	20°C (68°F)	83 mm (3.3 inches)	70%	very high
August Weather	18°C (65°F)	108 mm (4.3 inches)	71%	very high
September Weather	15°C (59°F)	99 mm (3.9 inches)	74%	high
October Weather	8°C (46°F)	120 mm (4.7 inches)	81%	moderate
November Weather	0°C (32°F)	66 mm (2.6 inches)	86%	moderate
December Weather	-4°C (24°F)	62 mm (2.4 inches)	90%	low