September Weather in Rivers, Canada

Last updated: June 18, 2025

In Rivers, Canada, the average temperature in September hovers around 12°C (55°F). This delightful month sees a minimum temperature dipping to -4°C (24°F) and can reach a pleasant maximum of 30°C (86°F). You'll experience 64 mm (2.5 in) of precipitation spread over approximately 9 days, with an average humidity level of 71%. Perfect for those who enjoy a mix of calm and vibrant weather!

September Temperature in Rivers

In September in Rivers, the average temperature is 12°C (55°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -4°C (24°F). Be sure to pack layers to accommodate the wide range of temperatures during your travels.

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

The chart illustrates September temperature patterns in Rivers, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rivers, September typically has an average temperature of 12°C (55°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (24°F).

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

September Precipitation in Rivers

In Rivers in September, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

September Precipitation Trends in Rivers

The chart displays monthly precipitation patterns in Rivers, 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 Rivers, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 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 Rivers

In Rivers in September, humidity is 71%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that permeates your clothing, making it essential to wear layers when traveling.

September Average Humidity in Rivers

This chart illustrates the average monthly humidity levels in Rivers, 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 Rivers is approximately 71%, 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 Rivers

In Rivers 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 Rivers, you can refer to this Hourly UV Index in Rivers.

Maximum UV Index Levels in Rivers for September

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

Data source: Rivers 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 Rivers Compares to Other Months

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

This table compares monthly weather conditions in Rivers, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-15°C (5°F)	14 mm (0.6 inches)	89%	low
February Weather	-17°C (2°F)	12 mm (0.5 inches)	91%	moderate
March Weather	-6°C (21°F)	25 mm (1.0 inches)	87%	moderate
April Weather	1°C (35°F)	25 mm (1.0 inches)	78%	high
May Weather	11°C (52°F)	28 mm (1.1 inches)	73%	very high
June Weather	17°C (63°F)	80 mm (3.2 inches)	71%	very high
July Weather	20°C (68°F)	51 mm (2.0 inches)	76%	very high
August Weather	18°C (64°F)	65 mm (2.6 inches)	77%	very high
September Weather	12°C (55°F)	64 mm (2.5 inches)	71%	high
October Weather	4°C (39°F)	38 mm (1.5 inches)	75%	moderate
November Weather	-6°C (22°F)	25 mm (1.0 inches)	84%	low
December Weather	-12°C (11°F)	20 mm (0.8 inches)	92%	low