September Weather in Red Lake, Canada

Last updated: June 18, 2025

In Red Lake, Canada, the average temperature in September hovers around 12°C (53°F), with a minimum of -2°C (29°F) and a maximum reaching 27°C (80°F). Be prepared for a bit of rain, as 93 mm (3.7 in) of precipitation falls over 15 days. Moreover, the average humidity is a comfortable 81%, adding a touch of moisture to the air.

September Temperature in Red Lake

In September in Red Lake, the average temperature is 12°C (53°F). The maximum can reach 27°C (80°F), while the minimum can drop as low as -2°C (29°F). This variety in temperature makes it a great time for travelers to enjoy a mix of outdoor activities and cozy indoor experiences.

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 12°C (53°F), with highs reaching up to 27°C (80°F) and lows dropping to around -2°C (29°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 93 mm (3.7 in) over the course of 15 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 93 mm (3.7 inches) of precipitation spread over approximately 15 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 Red Lake

In Red Lake in September, humidity is 81%. With an average temperature of 12°C (53°F), this humidity feels like a chilly dampness enveloping you, making outdoor activities uncomfortable and requiring layers to stay warm while you explore.

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 81%, 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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Red Lake, you can refer to this 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 6, 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	-16°C (3°F)	23 mm (0.9 inches)	96%	low
February Weather	-17°C (2°F)	24 mm (1.0 inches)	96%	moderate
March Weather	-7°C (21°F)	25 mm (1.0 inches)	94%	moderate
April Weather	0°C (32°F)	41 mm (1.6 inches)	87%	high
May Weather	9°C (48°F)	53 mm (2.1 inches)	76%	high
June Weather	17°C (62°F)	81 mm (3.2 inches)	66%	very high
July Weather	20°C (68°F)	85 mm (3.3 inches)	69%	very high
August Weather	18°C (64°F)	101 mm (4.0 inches)	76%	high
September Weather	12°C (53°F)	93 mm (3.7 inches)	81%	high
October Weather	4°C (40°F)	77 mm (3.0 inches)	85%	moderate
November Weather	-6°C (21°F)	37 mm (1.4 inches)	90%	low
December Weather	-13°C (8°F)	31 mm (1.2 inches)	96%	low