Churchill
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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.

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).

Churchill Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Churchill - and find the best time to visit.

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

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

Historical weather records 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.

Churchill historical weather extremes in September

According to our 50 years of weather records for Churchill, the following extremes were recorded between 1976 and 2026.

  • 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).

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 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

Churchill 3-Day Forecast

More climate data for Churchill

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.