September Weather in Portage la Prairie, Canada

Last updated: June 18, 2025

The average temperature in Portage la Prairie, Canada during September is a pleasant 14°C (57°F). However, temperatures can vary widely, with a minimum of -2°C (29°F) and a maximum reaching 33°C (91°F). Expect about 89 mm (3.5 in) of precipitation over 10 days, and enjoy a relatively high humidity level of 73% during this time.

September Temperature in Portage la Prairie

In September in Portage la Prairie, the average temperature is 14°C (57°F), with maximums reaching 33°C (91°F) and minimums plummeting to as low as -2°C (29°F). It's advisable to pack layers to accommodate the wide temperature range while enjoying your travels.

September Weather in Portage la Prairie: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Portage la Prairie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portage la Prairie, September typically has an average temperature of 14°C (57°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (29°F).

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

September Precipitation in Portage la Prairie

In Portage la Prairie in September, the precipitation amount is 89 mm (3.5 in) over a period of 10 days.

September Precipitation Trends in Portage la Prairie

The chart displays monthly precipitation patterns in Portage la Prairie, 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 Portage la Prairie, September typically receives around 89 mm (3.5 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 Portage la Prairie

In Portage la Prairie in September, humidity is 73%. With an average temperature of 14°C (57°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially uncomfortable for extended periods. Travelers should stay hydrated and take breaks in shaded areas to fully appreciate the vibrant surroundings.

September Average Humidity in Portage la Prairie

This chart illustrates the average monthly humidity levels in Portage la Prairie, 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 Portage la Prairie is approximately 73%, 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 Portage la Prairie

In Portage la Prairie 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 Portage la Prairie, you can refer to this Hourly UV Index in Portage la Prairie.

Maximum UV Index Levels in Portage la Prairie for September

The chart shows the monthly maximum UV Index (UVI) for Portage la Prairie 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 Portage la Prairie typically reaches 6, which falls under the high exposure category.

Data source: Portage la Prairie 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 Portage la Prairie Compares to Other Months

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

This table compares monthly weather conditions in Portage la Prairie, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-14°C (8°F)	17 mm (0.7 inches)	92%	low
February Weather	-15°C (5°F)	14 mm (0.6 inches)	90%	moderate
March Weather	-5°C (23°F)	23 mm (0.9 inches)	88%	moderate
April Weather	2°C (36°F)	30 mm (1.2 inches)	81%	high
May Weather	11°C (53°F)	31 mm (1.2 inches)	74%	very high
June Weather	19°C (66°F)	69 mm (2.7 inches)	72%	very high
July Weather	21°C (71°F)	53 mm (2.1 inches)	74%	very high
August Weather	19°C (67°F)	63 mm (2.5 inches)	76%	very high
September Weather	14°C (57°F)	89 mm (3.5 inches)	73%	high
October Weather	5°C (42°F)	56 mm (2.2 inches)	76%	moderate
November Weather	-4°C (25°F)	28 mm (1.1 inches)	86%	low
December Weather	-10°C (14°F)	23 mm (0.9 inches)	91%	low