Châteauguay Heights Weather in September

September in Châteauguay Heights sees daytime temperatures around 22°C (72°F) and lows of 12°C (54°F) at night. With around 97 mm (3.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Châteauguay Heights in September

Historically, approximately 11 days this month are expected to have rain, averaging 97 mm (3.8 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Châteauguay Heights in September

September is a excellent month in Châteauguay Heights, with 22°C (72°F) during the day and 12°C (54°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Châteauguay Heights in September

The month experiences a moderate amount of sunlight, with 183 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Châteauguay Heights in September

Wind speeds average 5 m/s (10 knots) during September. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in September

At 20°C (68°F), the water is pleasant for swimming. Most people find this range ideal, cool enough to be refreshing, warm enough to stay in comfortably.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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 Châteauguay Heights's climate page.

Châteauguay Heights Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 22°C (72°F)  

Water Temperature 20°C (68°F) *  

Chance of Rain 38%  

Precipitation 97 mm (3.8 in)  

Rainy days 11 days  

Humidity 60% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 183 hours *  

Percentage Sunshine 49% *  

* Data from: Montréal, Canada (20 KM, 12 Miles).

What to Wear in Châteauguay Heights in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 20°C (68°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Châteauguay Heights in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

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 Châteauguay Heights's climate page.

More climate data for Châteauguay Heights

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Châteauguay Heights climate overview or explore weather in Canada.