Mild
Average highs are around 20°C, so days are mild rather than hot.
September verdict
Poor for holiday weather
Average highs are around 20°C, so days are mild rather than hot. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 96mm, so some wet days are possible.
Monthly averages
Temp
20°C
Rain
96mm
Sun
5.8h
Sea
14°C
Weather score
38
Poor
Mild
Average highs are around 20°C, so days are mild rather than hot.
Showers
Rainfall averages 96mm, so some wet days are possible.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Compare Chilliwack, British Columbia, 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.
September96mm average rain
September sits on the drier side of Chilliwack's year, which helps with sightseeing and transfers.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September5.8 hours average sun
September sits close to Chilliwack's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
September14°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to September
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
September38 weather score
September scores above Chilliwack's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.