Churchill Weather in September

September in Churchill sees daytime temperatures around 11°C (52°F) and lows of 5°C (41°F) at night. With around 81 mm (3.2 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Churchill in September

Rain is expected on roughly 14 days, totalling around 81 mm (3.2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Churchill in September

September in Churchill brings low temperatures, with highs of 11°C (52°F) and nights around 5°C (41°F). September is part of the summer season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. 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.

Sunshine in Churchill in September

The city usually sees around 110 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Churchill in September

Average wind conditions reach 6 m/s (12 knots) in September. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Canada, check out our Churchill's climate page.

Churchill Temperature in September

Min Temperature 5°C (41°F)  

Max Temperature 11°C (52°F)  

Chance of Rain 48%  

Precipitation 81 mm (3.2 in)  

Rainy days 14 days  

Humidity 83% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 110 hours *  

Percentage Sunshine 28% *  

* Data from: Churchil, Canada (6 KM, 3 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Churchill typically drop from around 13°C (55°F) at the start of September to approximately 8°C (46°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 7°C (45°F).

Average temperatures in September

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Churchill in September

Browse day-by-day weather records for Churchill spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Churchill historical weather extremes in September

According to our 49 years of weather records for Churchill, the following extremes were recorded between 1976 and 2025.

• The hottest September day on record in Churchill reached 29°C (84°F) (September 5, 2022).
• The coldest September day was on September 27, 1979, with a maximum of -2°C (28°F).
• The coldest night in September in Churchill was on September 28, 1982, with a minimum of -7°C (19°F).

What to Wear in Churchill in September

Pack for changing conditions in Churchill in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Churchill in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Churchill's climate page.

More climate data for Churchill

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Churchill climate overview or explore weather in Canada.