When to go · Wisconsin Dells
Wisconsin Dells in September
Great month. Inside Wisconsin Dells's best window: Jun–Aug for water parks; late May and September for boat tours with fewer crowds.
Key facts
- Verdict
- Great
- Temperature
- 22°C (72°F)72°F (22°C) / 10°C (50°F)50°F (10°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Wisconsin Dells's best window: Jun–Aug for water parks; late May and September for boat tours with fewer crowds.
Is another month better than September?
No other month rates higher than September for Wisconsin Dells in this guide.
Weather in September
- Wisconsin DellsHighs around 22 °C (72 °F), lows around 10 °C (50 °F), rain on about 9 daysHighs around 72 °F (22 °C), lows around 50 °F (10 °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 Wisconsin Dells, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 22 °C (72 °F)72 °F (22 °C)
May: 21 °C (70 °F)70 °F (21 °C)
Night low
Sep: 10 °C (50 °F)50 °F (10 °C)
May: 8 °C (46 °F)46 °F (8 °C)
Rain days
Sep: 9 (better)
May: 11
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 1
May: 1
September: Inside Wisconsin Dells's best window: Jun–Aug for water parks; late May and September for boat tours with fewer crowds.
May: Inside Wisconsin Dells's best window: Jun–Aug for water parks; late May and September for boat tours with fewer crowds.
Wisconsin Dells: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings