September Weather in Attawapiskat, Canada

Last updated: June 18, 2025

In September, the average temperature in Attawapiskat, Canada hovers around 10°C (51°F). Expect a chilly minimum of -3°C (26°F) and a warm maximum of 28°C (83°F). The region sees 104 mm (4.1 in) of precipitation spread across 13 days, resulting in an average humidity of 87%. Brace yourself for a month of dynamic weather!

September Temperature in Attawapiskat

In September in Attawapiskat, the average temperature is 10°C (51°F), with maximums reaching up to 28°C (83°F) and minimums dropping as low as -3°C (26°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Attawapiskat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Attawapiskat, September typically has an average temperature of 10°C (51°F), with highs reaching up to 28°C (83°F) and lows dropping to around -3°C (26°F).

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

September Precipitation in Attawapiskat

In Attawapiskat in September, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.

September Precipitation Trends in Attawapiskat

The chart displays monthly precipitation patterns in Attawapiskat, 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 Attawapiskat, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 13 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 Attawapiskat

In Attawapiskat in September humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

September Average Humidity in Attawapiskat

This chart illustrates the average monthly humidity levels in Attawapiskat, 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 Attawapiskat is approximately 87%, 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 Attawapiskat

In Attawapiskat in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Attawapiskat.

Maximum UV Index Levels in Attawapiskat for September

The chart shows the monthly maximum UV Index (UVI) for Attawapiskat 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 Attawapiskat typically reaches 5, which falls under the moderate exposure category.

Data source: Attawapiskat 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 Attawapiskat Compares to Other Months

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

This table compares monthly weather conditions in Attawapiskat, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-19°C (-2°F)	22 mm (0.9 inches)	96%	low
February Weather	-19°C (-2°F)	24 mm (0.9 inches)	94%	low
March Weather	-12°C (10°F)	32 mm (1.3 inches)	91%	moderate
April Weather	-4°C (24°F)	36 mm (1.4 inches)	87%	high
May Weather	4°C (40°F)	52 mm (2.0 inches)	82%	very high
June Weather	11°C (51°F)	65 mm (2.5 inches)	81%	very high
July Weather	16°C (62°F)	95 mm (3.7 inches)	81%	high
August Weather	15°C (59°F)	80 mm (3.2 inches)	85%	high
September Weather	10°C (51°F)	104 mm (4.1 inches)	87%	moderate
October Weather	4°C (39°F)	58 mm (2.3 inches)	90%	moderate
November Weather	-7°C (20°F)	53 mm (2.1 inches)	89%	low
December Weather	-16°C (4°F)	33 mm (1.3 inches)	98%	low