Mild
Average highs are around 20°C, so days are mild rather than hot.
September verdict
Mixed for holiday weather
Average highs are around 20°C, so days are mild rather than hot. Sunshine averages 5.7h per day, enough for a balanced month. Rainfall averages 92mm, so some wet days are possible.
Monthly averages
Temp
20°C
Rain
92mm
Sun
5.7h
Sea
20°C
Weather score
44
Mixed
Mild
Average highs are around 20°C, so days are mild rather than hot.
Showers
Rainfall averages 92mm, so some wet days are possible.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 20°C, so the water can feel cool.
Map
Compare Kingston, Ontario, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
September20°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.
September92mm average rain
September is wetter than Kingston's yearly average, so flexible plans matter more.
Driest monthsJanuary to August and October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September5.7 hours average sun
September sits close to Kingston'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.
September20°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 21°C in this stretch, so swimming comfort is at its strongest.
September44 weather score
September sits close to Kingston'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.