September Weather in Orangeville, Canada

Last updated: June 18, 2025

In September, the average temperature in Orangeville, Canada hovers around 16°C (60°F). Expect temperature swings, with minima plunging to -1°C (30°F) and maxima reaching up to 32°C (89°F). Throughout the month, precipitation totals about 75 mm (2.9 in) over an average of 10 days, accompanied by a notable average humidity of 81%.

September Temperature in Orangeville

In September in Orangeville, the average temperature is 16°C (60°F), with maximums reaching 32°C (89°F) and minimums plummeting to -1°C (30°F). Be prepared for a wide range of temperatures while traveling, and pack accordingly to enjoy your visit to Orangeville.

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

The chart illustrates September temperature patterns in Orangeville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Orangeville, September typically has an average temperature of 16°C (60°F), with highs reaching up to 32°C (89°F) and lows dropping to around -1°C (30°F).

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

September Precipitation in Orangeville

In Orangeville in September, the precipitation amount is 75 mm (2.9 in) spread over a period of 10 days.

September Precipitation Trends in Orangeville

The chart displays monthly precipitation patterns in Orangeville, 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 Orangeville, September typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 10 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 Orangeville

In Orangeville in September, humidity is 81%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you as you travel, making you acutely aware of the sweat on your skin and creating an atmosphere that might dampen your spirits but also invites you to seek out refreshing beverages and shady spots.

September Average Humidity in Orangeville

This chart illustrates the average monthly humidity levels in Orangeville, 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 Orangeville 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 Orangeville

In Orangeville 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 Orangeville.

Maximum UV Index Levels in Orangeville for September

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

Data source: Orangeville 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 Orangeville Compares to Other Months

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

This table compares monthly weather conditions in Orangeville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	64 mm (2.5 inches)	90%	low
February Weather	-5°C (23°F)	68 mm (2.7 inches)	90%	moderate
March Weather	-1°C (31°F)	58 mm (2.3 inches)	87%	moderate
April Weather	5°C (41°F)	105 mm (4.1 inches)	87%	very high
May Weather	12°C (55°F)	102 mm (4.0 inches)	82%	very high
June Weather	18°C (64°F)	103 mm (4.1 inches)	81%	very high
July Weather	21°C (70°F)	95 mm (3.7 inches)	79%	very high
August Weather	20°C (68°F)	102 mm (4.0 inches)	80%	very high
September Weather	16°C (60°F)	75 mm (2.9 inches)	81%	high
October Weather	9°C (49°F)	99 mm (3.9 inches)	84%	moderate
November Weather	1°C (35°F)	76 mm (3.0 inches)	88%	moderate
December Weather	-3°C (27°F)	70 mm (2.8 inches)	87%	low