Cool
Average highs are around 11°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 11°C, so pack for cooler days. Sunshine averages 3.1h per day, so this is not one of the brighter months. Rainfall averages 138mm, so some wet days are possible.
Monthly averages
Temp
11°C
Rain
138mm
Sun
3.1h
Weather score
17
Poor
Cool
Average highs are around 11°C, so pack for cooler days.
Showers
Rainfall averages 138mm, so some wet days are possible.
Limited sun
Sunshine averages 3.1h per day, so this is not one of the brighter months.
Map
Compare Stewart, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
September11°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
September138mm average rain
September sits near Stewart's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September3.1 hours average sun
September sits close to Stewart'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.
September17 weather score
September sits close to Stewart's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMarch to August
These months have the strongest weather score in the monthly averages.