Carcross Weather in September
With daytime temperatures of 11°C (52°F) and nighttime lows of 3°C (37°F), September in Carcross brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 69 mm (2.7 in) falls on average.
Rainfall in Carcross in September
Rain is expected on roughly 10 days, totalling around 69 mm (2.7 in) for the month. 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 Carcross in September
In September, expect low temperatures in Carcross, with highs of 11°C (52°F) and lows of 3°C (37°F) at night. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Carcross in September
The area experiences a moderate amount of sunshine, with approximately 133 hours of sunlight expected. This means a decent mix of sun and overcast.Should you favor a climate that's both dry and comfortably warm, July typically offers 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Carcross's climate page.
Carcross Temperature in September
Min Temperature
3°C (37°F)
Max Temperature
11°C (52°F)
Chance of Rain
33%
Precipitation
69 mm (2.7 in)
Rainy days
10 days
Humidity
55% *
Sunshine
133 hours *
Percentage Sunshine
34% *
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Carcross typically drop from around 14°C (57°F) at the start of September to approximately 9°C (48°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 5°C (41°F).
Average temperatures in September
Historical weather for Carcross in September
Browse day-by-day weather records for Carcross spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Carcross historical weather extremes in September
The extremes listed below come from historical weather data collected in Carcross from 2006 through 2025.
- The hottest September day on record in Carcross reached 26°C (79°F) (September 4, 2025).
- Carcross experienced its chilliest September day on September 24, 2010, reaching only 1°C (34°F).
- Carcross registered its coldest September night on September 29, 2009, with temperatures dropping to -7°C (19°F).
- The heaviest September precipitation occurred on September 24, 2006, when 20 mm (0.8 in) of precipitation fell.
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
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tolerable
unpleasant
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What to Wear in Carcross in September
Pack for changing conditions in Carcross 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. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Carcross in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Carcross's climate page.
Temperature Rainfall Sunshine Humidity
See the full Carcross climate overview or explore weather in Canada.
