When to go · Unalaska
Unalaska in September
Great month. Inside Unalaska's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 13°C (55°F)55°F (13°C) / 7°C (45°F)45°F (7°C)
- average high / low
- Rain days
- 0
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Unalaska's best window: May–Sep.
Is another month better than September?
No other month rates higher than September for Unalaska in this guide.
Weather in September
- UnalaskaHighs around 13 °C (55 °F), lows around 7 °C (45 °F), rain on about 0 daysHighs around 55 °F (13 °C), lows around 45 °F (7 °C), rain on about 0 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 Unalaska, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 13 °C (55 °F)55 °F (13 °C)
May: 8 °C (46 °F)46 °F (8 °C)
Night low
Sep: 7 °C (45 °F)45 °F (7 °C)
May: 3 °C (37 °F)37 °F (3 °C)
Rain days
Sep: 0
May: 0
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 1
May: 1
September: Inside Unalaska's best window: May–Sep.
May: Inside Unalaska's best window: May–Sep.
Unalaska: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings