When to go · Dubuque
Dubuque in September
Great month. Inside Dubuque's best window: May–Oct.
Key facts
- Verdict
- Great
- Temperature
- 23°C (73°F)73°F (23°C) / 11°C (52°F)52°F (11°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Dubuque's best window: May–Oct.
Is another month better than September?
No other month rates higher than September for Dubuque in this guide.
Weather in September
- DubuqueHighs around 23 °C (73 °F), lows around 11 °C (52 °F), rain on about 8 daysHighs around 73 °F (23 °C), lows around 52 °F (11 °C), rain on about 8 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 Dubuque, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 23 °C (73 °F)73 °F (23 °C)
May: 21 °C (70 °F)70 °F (21 °C)
Night low
Sep: 11 °C (52 °F)52 °F (11 °C)
May: 9 °C (48 °F)48 °F (9 °C)
Rain days
Sep: 8 (better)
May: 12
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 1
May: 1
September: Inside Dubuque's best window: May–Oct.
May: Inside Dubuque's best window: May–Oct.
Dubuque: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings