September weather forecastSquamish, Canada
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Squamish, Canada, with an average temperature ranging between max 15.7°C (60.3°F) and min 9°C (48.2°F).Temperature
As Squamish enters September, the average high-temperature subtly lowers from the an enjoyable 19.4°C (66.9°F) of August to a mild 15.7°C (60.3°F). Throughout the nights in September, Squamish experiences an average low-temperature of 9°C (48.2°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 15.9 days. Throughout September, 100mm (3.94") of precipitation is accumulated. In Squamish, during the entire year, the rain falls for 183.1 days and collects up to 1830mm (72.05") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:55 pm. On the last day of September, in Squamish, sunrise is at 7:12 am and sunset at 6:52 pm PDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Squamish, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Squamish, Canada
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is August (19.4°C).
The month with the lowest average high temperature is December (3°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is December (-0.5°C).
Average pressure in September
Squamish, Canada
- Average pressure in September: 1016.1mbar
The months with the highest atmospheric pressure are January and December (1018mbar).
The month with the lowest atmospheric pressure is March (1015.6mbar).
Average wind speed in September
Squamish, Canada
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is March (8.9km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in September
Squamish, Canada
- Average humidity in September: 80%
The months with the highest relative humidity are January and March (86%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Squamish, Canada
- Average rainfall in September: 100mm
The wettest month (with the highest rainfall) is November (280mm).
The driest month (with the least rainfall) is July (39mm).
Average rainfall days in September
Squamish, Canada
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is April (19.5 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Squamish, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (981mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Squamish, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Squamish, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Squamish, Canada
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is August (17.5 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in September
Squamish, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Squamish, Canada
- Average cloud cover in September: 40
The months with the most cloud cover are January and December (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Squamish, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
