Cool
Average highs are around 16°C, so pack for cooler days.
September verdict
Snoqualmie Pass, United States in September
Weather score35Poor
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 107mm, so some wet days are possible.
September weather
Monthly averages
Temp
16°C
Rain
107mm
Sun
7h
Weather score
35
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 107mm, so some wet days are possible.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Map
Weather map
Compare Snoqualmie Pass, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September16°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
September107mm average rain
September sits on the drier side of Snoqualmie Pass' 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.
Sun
September7 hours average sun
September sits close to Snoqualmie Pass' 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.
Weather score
September35 weather score
September sits close to Snoqualmie Pass' 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.
Hotels near Snoqualmie Pass, United States
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