September Weather in Okanagan Falls, Canada

Last updated: June 18, 2025

In September, the average temperature in Okanagan Falls, Canada hovers around 14°C (58°F). Expect a chill at times, with minimums dipping to 1°C (34°F) and warmth peaking at 31°C (88°F). Precipitation is moderate, with 42 mm (1.6 in) of rain expected over 8 days, while the average humidity lingers around 74%. Stay prepared for a mix of weather!

September Temperature in Okanagan Falls

In September in Okanagan Falls, the average temperature is 14°C (58°F). Maximums can reach 31°C (88°F) and minimums can be as low as 1°C (34°F). Therefore, it's advisable to pack layers to accommodate both warm and cool weather during your travels.

September Weather in Okanagan Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Okanagan Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Okanagan Falls, September typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (34°F).

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

September Precipitation in Okanagan Falls

In Okanagan Falls in September, the precipitation amount is 42 mm (1.6 in) over a span of 8 days.

September Precipitation Trends in Okanagan Falls

The chart displays monthly precipitation patterns in Okanagan Falls, 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 Okanagan Falls, September typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 8 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 Okanagan Falls

In Okanagan Falls in September humidity is 74%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or indoor venues more often.

September Average Humidity in Okanagan Falls

This chart illustrates the average monthly humidity levels in Okanagan Falls, 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 Okanagan Falls is approximately 74%, 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 Okanagan Falls

In Okanagan Falls 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 Okanagan Falls.

Maximum UV Index Levels in Okanagan Falls for September

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

Data source: Okanagan Falls 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 Okanagan Falls Compares to Other Months

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

This table compares monthly weather conditions in Okanagan Falls, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	75 mm (3.0 inches)	90%	low
February Weather	-4°C (26°F)	70 mm (2.8 inches)	91%	moderate
March Weather	2°C (36°F)	77 mm (3.0 inches)	89%	moderate
April Weather	6°C (44°F)	63 mm (2.5 inches)	85%	high
May Weather	12°C (54°F)	46 mm (1.8 inches)	82%	very high
June Weather	16°C (61°F)	36 mm (1.4 inches)	81%	very high
July Weather	20°C (68°F)	11 mm (0.5 inches)	84%	very high
August Weather	20°C (68°F)	11 mm (0.4 inches)	75%	very high
September Weather	14°C (58°F)	42 mm (1.6 inches)	74%	high
October Weather	6°C (44°F)	71 mm (2.8 inches)	85%	moderate
November Weather	2°C (35°F)	93 mm (3.7 inches)	88%	moderate
December Weather	-2°C (28°F)	90 mm (3.6 inches)	93%	low