When to go · St. Helens, Oregon
St. Helens, Oregon in September
Great month. Inside St. Helens, Oregon's best window: Sep–Oct.
Key facts
- Verdict
- Great
- Temperature
- 23°C (73°F)73°F (23°C) / 12°C (54°F)54°F (12°C)
- average high / low
- Rain days
- 7
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside St. Helens, Oregon's best window: Sep–Oct.
Is another month better than September?
No other month rates higher than September for St. Helens, Oregon in this guide.
Weather in September
- St. Helens, OregonHighs around 23 °C (73 °F), lows around 12 °C (54 °F), rain on about 7 daysHighs around 73 °F (23 °C), lows around 54 °F (12 °C), rain on about 7 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 St. Helens, Oregon, side by side.
Verdict
Sep: Great
Oct: Great
Daytime high
Sep: 23 °C (73 °F)73 °F (23 °C)
Oct: 17 °C (63 °F)63 °F (17 °C)
Night low
Sep: 12 °C (54 °F)54 °F (12 °C)
Oct: 8 °C (46 °F)46 °F (8 °C)
Rain days
Sep: 7 (better)
Oct: 9
Crowds
Sep: Medium
Oct: Medium
Prices
Sep: Medium
Oct: Medium
Festivals listed
Sep: 1
Oct: 0
September: Inside St. Helens, Oregon's best window: Sep–Oct.
October: Inside St. Helens, Oregon's best window: Sep–Oct.
St. Helens, Oregon: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings