Cool
Average highs are around 13°C, so pack for cooler days.
September verdict
Rivière-Saint-Jean, Canada in September
Weather score25Poor
Poor for holiday weather
Average highs are around 13°C, so pack for cooler days. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 104mm, so some wet days are possible.
September weather
Monthly averages
Temp
13°C
Rain
104mm
Sun
5.4h
Sea
10°C
Weather score
25
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 104mm, so some wet days are possible.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Weather map
Compare Rivière-Saint-Jean, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September13°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.
Rain
September104mm average rain
September is one of Rivière-Saint-Jean's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April
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 Rivière-Saint-Jean'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.
Sea temperature
September10°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to August
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
Weather score
September25 weather score
September scores below Rivière-Saint-Jean's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.