When to go · Centennial
Centennial in September
Great month. Inside Centennial's best window: Jun–Sep for the byway and hiking; Dec–Mar for the ski area.
Key facts
- Verdict
- Great
- Temperature
- 19°C (66°F)66°F (19°C) / 3°C (37°F)37°F (3°C)
- average high / low
- Rain days
- 7
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Centennial's best window: Jun–Sep for the byway and hiking; Dec–Mar for the ski area.
Is another month better than September?
No other month rates higher than September for Centennial in this guide.
Weather in September
- CentennialHighs around 19 °C (66 °F), lows around 3 °C (37 °F), rain on about 7 daysHighs around 66 °F (19 °C), lows around 37 °F (3 °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 Centennial, side by side.
Verdict
Sep: Great
Jan: Great
Daytime high
Sep: 19 °C (66 °F)66 °F (19 °C)
Jan: -1 °C (30 °F)30 °F (-1 °C)
Night low
Sep: 3 °C (37 °F)37 °F (3 °C)
Jan: -13 °C (9 °F)9 °F (-13 °C)
Rain days
Sep: 7
Jan: 7
Crowds
Sep: Medium
Jan: Low
Prices
Sep: Medium
Jan: Low
Festivals listed
Sep: 1
Jan: 0
September: Inside Centennial's best window: Jun–Sep for the byway and hiking; Dec–Mar for the ski area.
January: Inside Centennial's best window: Jun–Sep for the byway and hiking; Dec–Mar for the ski area.
Centennial: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings