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Temperatures in September

It's pleasantly warm in September in Kelowna with an average temperature of 22°C. Temperatures this month range from a low of 18°C to a high of 26°C. At night, you can expect temperatures between 6°C and 13°C.

Max and Min Temperatures per Day

Daily Temperature in September in Kelowna

This chart shows the daily maximum and minimum temperatures in degrees Celsius for Kelowna in September. The red line indicates the max temperatures, and the blue line shows the minimums.

Start of September

The month of September starts in Kelowna with warm temperatures, averaging around 25°C during the day and nights close to 12°C. There’s little chance of precipitation. The weather is mostly sunny and dry.

Mid-September

By mid-September, the average daytime temperature drops to around 22°C, with nights close to 10°C. There might be a few showers during this period, but plenty of dry days with sunshine too.

End of September

By the end of September, the average daytime temperature in Kelowna will be around 20°C, with nights close to 8°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.

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Precipitation in September

In September, there is an average of 33 mm of precipitation, spread over 6 days. The wind speed is around 3 Bft, mostly coming from the South.

The precipitation chance averages 19% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.

Precipitation Chance

Daily precipitation chance in percentages for Kelowna in September

This chart shows the daily precipitation chance (in percentages) in September for Kelowna. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.

Kelowna in September

London
Temperature Average Temperature
22°C 20°C
Sun High Temp
26°C 22°C
Sun Low Temp
18°C 17°C
Rain Total Precipitation
33 mm 44 mm
Rain Rainy Days
6 days 8 days

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Is September a good time to visit Kelowna?

Want nice weather? Then September is a great time to be in Kelowna. You’ll have pleasant temperatures and not too much rain this month.

Temperature records for Kelowna in September

With 36°C, Kelowna hit the highest temperature in the last 10 years in September 2017. The lowest daytime temperature in this month was 9°C in 2019. The extreme night temperatures ranged from a low of -1°C to a high of 18°C.

Check out the climate of Kelowna for all months and discover the best travel time

Curious about the climate in other parts of Canada? Check out the weather and climate in places like Vancouver, Toronto, Niagara Falls, or have a look at other destinations in Canada.

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Daily Temperature in September in Kelowna

This chart shows the average daily temperatures, both day and night, for each day in September in Kelowna, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.

Daily Temperature in September in Kelowna

Daily Precipitation in September in Kelowna

The chart below shows the average daily precipitation in September for Kelowna, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 6 days of rain in Kelowna.

Daily Precipitation in September in Kelowna

Daily UV Index in September in Kelowna

This chart shows the average daily UV index in September in Kelowna, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in September in Kelowna

Temperature in September in Kelowna Over the Years

This chart shows the average temperature in September in Kelowna, measured in degrees Celsius, over the past years.

Temperature in September in Kelowna Over the Years

Total Precipitation in September in Kelowna Over the Years

This chart shows the average precipitation in September in Kelowna, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Precipitation in September in Kelowna Over the Years

Daily climate in September for Kelowna

Click on a specific day in September for detailed info on the typical weather on that day in Kelowna. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Kelowna

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Average Weather in Kelowna by Month

Click on a month below to see detailed weather info for Kelowna. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Kelowna for all months at once

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