September Weather in Red Lake Falls, United States

Last updated: June 24, 2025

In Red Lake Falls, United States, the average temperature in September hovers around 15°C (59°F). Expect a range of -3°C (26°F) to 31°C (88°F), making it a month of diverse weather. With an average humidity of 77%, and precipitation totaling 84 mm (3.3 in) over approximately 10 days, it's wise to be prepared for both sunny and rainy spells!

September Temperature in Red Lake Falls

In September in Red Lake Falls, the average temperature is 15°C (59°F). Maximums can reach 31°C (88°F), and minimums can dip as low as -3°C (26°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is advisable.

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

The chart illustrates September temperature patterns in Red Lake Falls, 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 Falls, 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 -3°C (26°F).

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

September Precipitation in Red Lake Falls

In Red Lake Falls in September, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

September Precipitation Trends in Red Lake Falls

The chart displays monthly precipitation patterns in Red Lake Falls, 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 Falls, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 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 Falls

In Red Lake Falls in September, humidity is 77%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it essential to stay hydrated and choose light, breathable clothing for comfortable travel.

September Average Humidity in Red Lake Falls

This chart illustrates the average monthly humidity levels in Red Lake Falls, 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 Falls 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 Falls

In Red Lake Falls 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 Falls.

Maximum UV Index Levels in Red Lake Falls for September

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

Data source: Red Lake Falls 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 Falls Compares to Other Months

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

This table compares monthly weather conditions in Red Lake Falls, 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 (9°F)	19 mm (0.8 inches)	90%	low
February Weather	-14°C (8°F)	22 mm (0.9 inches)	92%	moderate
March Weather	-3°C (27°F)	26 mm (1.0 inches)	85%	moderate
April Weather	3°C (39°F)	43 mm (1.7 inches)	81%	high
May Weather	13°C (55°F)	54 mm (2.1 inches)	75%	very high
June Weather	20°C (68°F)	93 mm (3.7 inches)	79%	very high
July Weather	22°C (71°F)	62 mm (2.4 inches)	76%	very high
August Weather	20°C (68°F)	69 mm (2.7 inches)	78%	very high
September Weather	15°C (59°F)	84 mm (3.3 inches)	77%	high
October Weather	6°C (43°F)	81 mm (3.2 inches)	79%	moderate
November Weather	-3°C (26°F)	29 mm (1.1 inches)	86%	low
December Weather	-9°C (16°F)	38 mm (1.5 inches)	86%	low