When to go · Snoqualmie Pass
Snoqualmie Pass in September
Great month. Inside Snoqualmie Pass's best window: Dec–Mar for snow, Jul–Sep for hiking.
Key facts
- Verdict
- Great
- Temperature
- 24°C (75°F)75°F (24°C) / 12°C (54°F)54°F (12°C)
- average high / low
- Rain days
- 6
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Snoqualmie Pass's best window: Dec–Mar for snow, Jul–Sep for hiking.
Is another month better than September?
No other month rates higher than September for Snoqualmie Pass in this guide.
Weather in September
- Snoqualmie PassHighs around 24 °C (75 °F), lows around 12 °C (54 °F), rain on about 6 daysHighs around 75 °F (24 °C), lows around 54 °F (12 °C), rain on about 6 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Labor Day big impact
1st Monday of September · United States
End of summer; last big road-trip weekend.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.
Compare two months
Weather, crowds and prices for any two months in Snoqualmie Pass, side by side.
Verdict
Sep: Great
Jan: Great
Daytime high
Sep: 24 °C (75 °F)75 °F (24 °C)
Jan: 5 °C (41 °F)41 °F (5 °C)
Night low
Sep: 12 °C (54 °F)54 °F (12 °C)
Jan: -2 °C (28 °F)28 °F (-2 °C)
Rain days
Sep: 6 (better)
Jan: 8
Crowds
Sep: Medium
Jan: Low
Prices
Sep: Medium
Jan: Low
Festivals listed
Sep: 1
Jan: 0
September: Inside Snoqualmie Pass's best window: Dec–Mar for snow, Jul–Sep for hiking.
January: Inside Snoqualmie Pass's best window: Dec–Mar for snow, Jul–Sep for hiking.
Snoqualmie Pass: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings