When to go · Forest Grove
Forest Grove in September
Great month. Inside Forest Grove's best window: May–Oct.
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
- 9
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Forest Grove's best window: May–Oct.
Is another month better than September?
No other month rates higher than September for Forest Grove in this guide.
Weather in September
- Forest GroveHighs around 24 °C (75 °F), lows around 12 °C (54 °F), rain on about 9 daysHighs around 75 °F (24 °C), lows around 54 °F (12 °C), rain on about 9 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 Forest Grove, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 24 °C (75 °F)75 °F (24 °C)
May: 20 °C (68 °F)68 °F (20 °C)
Night low
Sep: 12 °C (54 °F)54 °F (12 °C)
May: 10 °C (50 °F)50 °F (10 °C)
Rain days
Sep: 9
May: 9
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 1
May: 1
September: Inside Forest Grove's best window: May–Oct.
May: Inside Forest Grove's best window: May–Oct.
Forest Grove: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings