Okanagan Valley Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in the Okanagan Valley, Canada in September.

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Kelowna Penticton Vernon Osoyoos

Planning a getaway to the Okanagan Valley, Canada this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in the Okanagan Valley in September

The Okanagan Valley, Canada is a region in Canada. September in the Okanagan Valley generally has temperatures that range from pleasant to warm, with precipitation levels ranging from low to moderate. September falls during the summer season.

Temperatures

The average maximum daytime temperatures vary from pleasant in Peachland at 19°C (66°F) to warm in Osoyoos at 24°C (75°F). Nighttime temperatures generally drop to 9°C (48°F) in Osoyoos and 8°C (46°F) in Peachland.

To learn more about the conditions in specific areas of the Okanagan Valley, Canada, check out the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Osoyoos with an average of 16 mm (0.6 in) to moderate rainfall in Armstrong with 56 mm (2.2 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Kelowna sees close to 216 hours of sunlight, making it great for sun lovers.

Explore the Okanagan Valley by month

Pick a month to see the average temperature, rainfall and sunshine in the Okanagan Valley — and find the best time to visit. (based on Kelowna)

January0°C (32°F) February3°C (37°F) March7°C (45°F) April11°C (52°F) May16°C (61°F) This monthJune19°C (66°F) July24°C (75°F) August24°C (75°F) September20°C (68°F) October12°C (54°F) November5°C (41°F) December1°C (34°F)
Best Time to Visit the Okanagan Valley →

Best Places to Visit in the Okanagan Valley in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Okanagan Valley.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in the Okanagan Valley

What is the weather like in September for some of the most popular destinations in the Okanagan Valley, Canada?

Temperature range in the Okanagan Valley (September)

Precipitation variation in the Okanagan Valley (September)

Kelowna

In September Kelowna generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
12°C (54°F)
Min temperature
13°C (55°F)
9°C (48°F)
4°C (39°F)
Monthly sun hours
281 hours
216 hours
124 hours
Monthly rainfall
27 mm (1.1 in)
47 mm (1.9 in)
74 mm (2.9 in)
Monthly rainy days
8 days
8 days
9 days
Weather conditions
perfect
perfect
unpleasant
Climate in Kelowna →

Penticton

In September Penticton generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
25°C (77°F)
20°C (68°F)
11°C (52°F)
Min temperature
12°C (54°F)
8°C (46°F)
2°C (36°F)
Monthly sun hours
281 hours
216 hours
124 hours
Monthly rainfall
26 mm (1 in)
42 mm (1.7 in)
68 mm (2.7 in)
Monthly rainy days
8 days
7 days
7 days
Weather conditions
perfect
perfect
unpleasant
Climate in Penticton →

Vernon

In September Vernon generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
25°C (77°F)
20°C (68°F)
11°C (52°F)
Min temperature
11°C (52°F)
7°C (45°F)
2°C (36°F)
Monthly sun hours
281 hours
216 hours
124 hours
Monthly rainfall
36 mm (1.4 in)
50 mm (2 in)
67 mm (2.6 in)
Monthly rainy days
9 days
10 days
11 days
Weather conditions
perfect
perfect
unpleasant
Climate in Vernon →

Osoyoos

In September Osoyoos generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 9°C (48°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
24°C (75°F)
16°C (61°F)
Min temperature
14°C (57°F)
9°C (48°F)
4°C (39°F)
Monthly rainfall
16 mm (0.6 in)
16 mm (0.6 in)
21 mm (0.8 in)
Monthly rainy days
6 days
7 days
8 days
Weather conditions
perfect
perfect
pleasant
Climate in Osoyoos →

Summerland

In September Summerland generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
11°C (52°F)
Min temperature
11°C (52°F)
8°C (46°F)
2°C (36°F)
Monthly sun hours
281 hours
216 hours
124 hours
Monthly rainfall
28 mm (1.1 in)
45 mm (1.8 in)
70 mm (2.8 in)
Monthly rainy days
8 days
7 days
8 days
Weather conditions
perfect
pleasant
unpleasant
Climate in Summerland →

Is your destination not in the list? Have a look at all destinations in the Okanagan Valley, in Canada.

Popular cities in September

Day & night temperatures, rainfall and average weather in the Okanagan Valley in September.

City Weather Day temp Night temp Rainfall
Kelowna 20°C (68°F) 9°C (48°F) 47 mm (1.9 in)
Penticton 20°C (68°F) 8°C (46°F) 42 mm (1.7 in)
Vernon 20°C (68°F) 7°C (45°F) 50 mm (2 in)
Osoyoos 24°C (75°F) 9°C (48°F) 16 mm (0.6 in)
Summerland 19°C (66°F) 8°C (46°F) 45 mm (1.8 in)
Peachland 19°C (66°F) 8°C (46°F) 49 mm (1.9 in)

The Okanagan Valley weather in September: frequently asked questions

What is the weather like in the Okanagan Valley, Canada in September?

the Okanagan Valley, Canada typically experiences perfect weather in September, part of the summer season. Daytime highs in Kelowna average around 20°C (68°F), and temperatures drop to about 9°C (48°F) at night.

What is the average temperature in the Okanagan Valley, Canada in September?

Average temperatures in the Okanagan Valley, Canada during September range from a nighttime low near 9°C (48°F) to a daytime high around 20°C (68°F) in Kelowna.

Does the Okanagan Valley, Canada get a lot of rain in September?

Not particularly. Kelowna averages just 47 mm (1.9 in) of rain in September, making it a mostly dry month for the Okanagan Valley, Canada.

Is September a Good Time to Visit the Okanagan Valley, Canada?

We believe that September is one of the best times to visit the Okanagan Valley, Canada with overall perfect weather in Kelowna. However, the weather conditions may vary depending on your destination.

On average, the best time to visit the Okanagan Valley, Canada is in July, August and September with generally perfect weather in Kelowna. In contrast, January, February, March, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in the Okanagan Valley.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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