September Weather in Donnacona, Canada

Last updated: June 18, 2025

In September, the average temperature in Donnacona, Canada hovers around 14°C (58°F). Expect a range from a brisk -1°C (31°F) to a warm 29°C (85°F). With 107 mm (4.2 in) of precipitation spread over 11 days, it's wise to come prepared for some rain. On top of that, the average humidity sits comfortably at 81%, adding to the region's unique climate appeal.

September Temperature in Donnacona

In September in Donnacona, the average temperature is 14°C (58°F). Maximums can reach 29°C (85°F), while minimums can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates September temperature patterns in Donnacona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Donnacona, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Donnacona

In Donnacona in September, the precipitation amount is 107 mm (4.2 in) spread over a period of 11 days.

September Precipitation Trends in Donnacona

The chart displays monthly precipitation patterns in Donnacona, 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 Donnacona, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 11 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 Donnacona

In Donnacona in September, humidity is 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for exploring.

September Average Humidity in Donnacona

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

In Donnacona 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 Donnacona.

Maximum UV Index Levels in Donnacona for September

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

Data source: Donnacona 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 Donnacona Compares to Other Months

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

This table compares monthly weather conditions in Donnacona, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	89 mm (3.5 inches)	95%	low
February Weather	-9°C (16°F)	89 mm (3.5 inches)	93%	moderate
March Weather	-4°C (25°F)	98 mm (3.9 inches)	90%	moderate
April Weather	4°C (39°F)	121 mm (4.8 inches)	87%	high
May Weather	12°C (54°F)	107 mm (4.2 inches)	79%	very high
June Weather	17°C (63°F)	131 mm (5.1 inches)	73%	very high
July Weather	20°C (68°F)	126 mm (4.9 inches)	81%	very high
August Weather	19°C (67°F)	127 mm (5.0 inches)	81%	very high
September Weather	14°C (58°F)	107 mm (4.2 inches)	81%	high
October Weather	8°C (46°F)	142 mm (5.6 inches)	87%	moderate
November Weather	-1°C (31°F)	133 mm (5.2 inches)	89%	moderate
December Weather	-7°C (19°F)	109 mm (4.3 inches)	92%	low