When to go · Snohomish
Snohomish in September
Great month. Inside Snohomish's best window: May–Oct (balloon season and pleasant weather).
Key facts
- Verdict
- Great
- Temperature
- 20°C (68°F)68°F (20°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 5
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Snohomish's best window: May–Oct (balloon season and pleasant weather).
Is another month better than September?
No other month rates higher than September for Snohomish in this guide.
Weather in September
- SnohomishHighs around 20 °C (68 °F), lows around 9 °C (48 °F), rain on about 5 daysHighs around 68 °F (20 °C), lows around 48 °F (9 °C), rain on about 5 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 Snohomish, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 20 °C (68 °F)68 °F (20 °C)
May: 17 °C (63 °F)63 °F (17 °C)
Night low
Sep: 9 °C (48 °F)48 °F (9 °C)
May: 7 °C (45 °F)45 °F (7 °C)
Rain days
Sep: 5
May: 5
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 1
May: 1
September: Inside Snohomish's best window: May–Oct (balloon season and pleasant weather).
May: Inside Snohomish's best window: May–Oct (balloon season and pleasant weather).
Snohomish: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings