Cool
Average highs are around 15°C, so pack for cooler days.
September verdict
Gwaii Haanas National Park Reserve, Canada in September
Weather score20Poor
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 5h per day, enough for a balanced month. Rainfall averages 197mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
15°C
Rain
197mm
Sun
5h
Sea
13°C
Weather score
20
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 197mm, so showers are a real planning factor.
Some sun
Sunshine averages 5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Gwaii Haanas National Park Reserve, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September15°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
September197mm average rain
September sits near Gwaii Haanas National Park Reserve's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMay to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5 hours average sun
September is brighter than Gwaii Haanas National Park Reserve's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September13°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 13°C in this stretch, so swimming comfort is at its strongest.
Weather score
September20 weather score
September sits close to Gwaii Haanas National Park Reserve'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.