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Thompson Weather in September
September in Thompson averages 15°C (59°F) during the day and 5°C (41°F) at night. Quite a bit of rainfall is typical this month, with around 68 mm (2.7 in) on average. An umbrella is a good idea.
Rainfall in Thompson in September
Historically, September sees about 14 days of rain, with a monthly average of 68 mm (2.7 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Thompson in September
Daytime temperatures in Thompson reach 15°C (59°F) in September, dropping to 5°C (41°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June and August typically offer the best weather for Thompson.
Thompson Temperature in September
Min Temperature
5°C (41°F)
Max Temperature
15°C (59°F)
Chance of Rain
45%
Precipitation
68 mm (2.7 in)
Rainy days
14 days
Thompson Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Thompson - and find the best time to visit.
Best Places in Canada in September
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →
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).
What to Wear in Thompson in September
The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days.
What To Do in Thompson in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Barbeque5/10 -
Camping4/10 -
Outdoor sports10/10
Thompson 3-Day Forecast
More climate data for Thompson
See the full Thompson climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most beautiful lakes in Canada
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