Cool
Average highs are around 15°C, so pack for cooler days.
September verdict
Fort St. John, Canada in September
Weather score35Poor
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 44mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
15°C
Rain
44mm
Sun
5.4h
Weather score
35
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 44mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Map
Weather map
Compare Fort St. John, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September15°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
September44mm average rain
September sits near Fort St. John's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.4 hours average sun
September sits close to Fort St. John's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September35 weather score
September scores below Fort St. John's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
