Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's arrival corresponds with a decrease in average high-temperatures, from August's moderately hot 24.4°C (75.9°F) to a refreshing 18.5°C (65.3°F). Nighttime temperatures exhibit a substantial dip from daytime highs during September, averaging at a wintry 5°C (41°F).Humidity
In September, the average relative humidity in Kelowna is 64%.Rainfall
In Kelowna, during September, the rain falls for 11.9 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, there are 159.1 rainfall days, and 326mm (12.83") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 35min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:40 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:37 pm PDT.
Sunshine
In Kelowna, the average sunshine in September is 10.5h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are the temperatures in Kelowna in September?
What is the average humidity in September in Kelowna?
How much does it rain in Kelowna in September?
When it does not snow in Kelowna?
Does it snow in Kelowna in September?
What is the average length of the day in September in Kelowna?
When are sunrise and sunset in September in Kelowna?
How many hours of sunshine does Kelowna have in September?
How high is the UV index in September in Kelowna?
Average temperature in September
Kelowna, Canada
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is December (-2.6°C).
- Average low temperature in September: 5°C
The month with the highest average low temperature is August (9.3°C).
The coldest months (with the lowest average low temperature) are February and December (-9.8°C).
Average pressure in September
Kelowna, Canada
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).
Average wind speed in September
Kelowna, Canada
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is November (7.4km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Kelowna, Canada
- Average humidity in September: 64%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Kelowna, Canada
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in September
Kelowna, Canada
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is April (19.4 days).
The month with the least rainy days is August (7.7 days).
Average snowfall in September
Kelowna, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is February (108mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Kelowna, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kelowna, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 10h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Kelowna, Canada
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (18.4 days).
The month with the least sunshine days is April (7.8 days).
Average UV index in September
Kelowna, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Kelowna, Canada
- Average cloud cover in September: 25
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Kelowna, Canada
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and December (6km).
Kelowna, Canada
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