Cool
Average highs are around 19°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 95mm, so some wet days are possible.
Monthly averages
Temp
19°C
Rain
95mm
Sun
5.4h
Sea
19°C
Weather score
38
Poor
Cool
Average highs are around 19°C, so pack for cooler days.
Showers
Rainfall averages 95mm, so some wet days are possible.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Compare Barrie, Ontario, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
September19°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.
September95mm average rain
September is one of Barrie's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to July and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September5.4 hours average sun
September sits close to Barrie'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.
September19°C average sea
September is one of Barrie's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
September38 weather score
September sits close to Barrie's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.