Cool
Average highs are around 12°C, so pack for cooler days.
September verdict
Dease Lake, Canada in September
Weather score27Poor
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 4h per day, so this is not one of the brighter months. Rainfall averages 52mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
12°C
Rain
52mm
Sun
4h
Weather score
27
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 52mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4h per day, so this is not one of the brighter months.
Map
Weather map
Compare Dease Lake, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September12°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
September52mm average rain
September is wetter than Dease Lake's yearly average, so flexible plans matter more.
Driest monthsJanuary to June and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September4 hours average sun
September sits close to Dease Lake's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September27 weather score
September scores below Dease Lake's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMarch to July
These months have the strongest weather score in the monthly averages.