September Weather in Red Lake, United States

Last updated: June 24, 2025

In Red Lake, United States, the average temperature in September hovers around 15°C (58°F), with a minimum of 1°C (33°F) and a comfortable maximum of 28°C (83°F). Expect approximately 105 mm (4.1 in) of precipitation spread across 12 days, contributing to an average humidity level of 77%.

September Temperature in Red Lake

In September in Red Lake, the average temperature is 15°C (58°F), with maximums reaching 28°C (83°F) and minimums dropping to as low as 1°C (33°F). This varied range makes it an ideal time for travelers to enjoy a range of outdoor activities, so don’t forget to pack layers!

September Weather in Red Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Red Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Red Lake, September typically has an average temperature of 15°C (58°F), with highs reaching up to 28°C (83°F) and lows dropping to around 1°C (33°F).

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

September Precipitation in Red Lake

In Red Lake in September, the precipitation amount is 105 mm (4.1 in) over the course of 12 days.

September Precipitation Trends in Red Lake

The chart displays monthly precipitation patterns in Red Lake, 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 Red Lake, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 12 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 Red Lake

In Red Lake in September, humidity is 77%. With an average temperature of 15°C (58°F), this humidity feels like a warm blanket enveloping you, making travel a mix of refreshing breezes and occasional stickiness, which can be quite refreshing while exploring the sights.

September Average Humidity in Red Lake

This chart illustrates the average monthly humidity levels in Red Lake, 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 Red Lake is approximately 77%, 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 Red Lake

In Red Lake 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 Red Lake.

Maximum UV Index Levels in Red Lake for September

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

Data source: Red Lake 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 Red Lake Compares to Other Months

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

This table compares monthly weather conditions in Red Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (10°F)	22 mm (0.9 inches)	90%	low
February Weather	-13°C (8°F)	24 mm (0.9 inches)	92%	moderate
March Weather	-4°C (26°F)	25 mm (1.0 inches)	85%	moderate
April Weather	2°C (36°F)	55 mm (2.2 inches)	81%	high
May Weather	12°C (54°F)	50 mm (2.0 inches)	75%	very high
June Weather	19°C (67°F)	85 mm (3.4 inches)	79%	very high
July Weather	22°C (71°F)	79 mm (3.1 inches)	76%	very high
August Weather	20°C (67°F)	71 mm (2.8 inches)	78%	very high
September Weather	15°C (58°F)	105 mm (4.1 inches)	77%	high
October Weather	6°C (43°F)	92 mm (3.6 inches)	79%	moderate
November Weather	-3°C (26°F)	31 mm (1.2 inches)	86%	low
December Weather	-9°C (16°F)	43 mm (1.7 inches)	86%	low