September Weather in Estevan, Canada

Last updated: June 18, 2025

In Estevan, Canada, the average temperature in September hovers around 13°C (56°F). Expect a chilly low of -3°C (26°F) and a warm high of 33°C (92°F). During this time, precipitation averages 66 mm (2.6 in) over 7 days, while the average humidity sits comfortably at 65%.

September Temperature in Estevan

In September in Estevan, the average temperature is 13°C (56°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as -3°C (26°F). This variation in weather makes it essential for travelers to pack accordingly, ensuring they are prepared for both warm days and chilly nights.

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

The chart illustrates September temperature patterns in Estevan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Estevan, September typically has an average temperature of 13°C (56°F), with highs reaching up to 33°C (92°F) and lows dropping to around -3°C (26°F).

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

September Precipitation in Estevan

In Estevan in September, the precipitation amount is 66 mm (2.6 in) over a period of 7 days.

September Precipitation Trends in Estevan

The chart displays monthly precipitation patterns in Estevan, 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 Estevan, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 7 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 Estevan

In Estevan in September humidity is 65%. With an average temperature of 13°C (56°F), this humidity feels like a cool, refreshing embrace, providing a pleasant backdrop for traveling as long as you're prepared for the occasional dampness in the air.

September Average Humidity in Estevan

This chart illustrates the average monthly humidity levels in Estevan, 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 Estevan is approximately 65%, 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 Estevan

In Estevan 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 Estevan.

Maximum UV Index Levels in Estevan for September

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

Data source: Estevan 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 Estevan Compares to Other Months

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

This table compares monthly weather conditions in Estevan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-12°C (11°F)	11 mm (0.4 inches)	89%	low
February Weather	-14°C (7°F)	14 mm (0.5 inches)	92%	moderate
March Weather	-4°C (26°F)	23 mm (0.9 inches)	84%	moderate
April Weather	3°C (37°F)	22 mm (0.9 inches)	74%	very high
May Weather	12°C (54°F)	34 mm (1.3 inches)	73%	very high
June Weather	18°C (64°F)	94 mm (3.7 inches)	69%	very high
July Weather	21°C (69°F)	48 mm (1.9 inches)	76%	very high
August Weather	19°C (66°F)	50 mm (2.0 inches)	74%	very high
September Weather	13°C (56°F)	66 mm (2.6 inches)	65%	high
October Weather	4°C (40°F)	29 mm (1.2 inches)	71%	moderate
November Weather	-4°C (26°F)	25 mm (1.0 inches)	84%	low
December Weather	-9°C (17°F)	19 mm (0.7 inches)	92%	low