Cool
Average highs are around 18°C, so pack for cooler days.
September verdict
Mattawa, Canada in September
Weather score33Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 4.9h per day, so this is not one of the brighter months. Rainfall averages 102mm, so some wet days are possible.
September weather
Monthly averages
Temp
18°C
Rain
102mm
Sun
4.9h
Weather score
33
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 102mm, so some wet days are possible.
Limited sun
Sunshine averages 4.9h per day, so this is not one of the brighter months.
Map
Weather map
Compare Mattawa, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September18°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
September102mm average rain
September is one of Mattawa's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September4.9 hours average sun
September sits close to Mattawa'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
September33 weather score
September scores below Mattawa'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.
Hotels near Mattawa, Canada
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