THINGS TO DO · YOUTUBE SHORT
Top 5 Must-Do's in Flagstaff, Arizona
A local activity Short shared by UltimateUtopia5.
Watch on YouTube ↗
Weather · September
Flagstaff weather in September
Average highs of 74°F, lows of 43°F and 1.8 in of rain, from 30 years of weather records.
September is Flagstaff’s 4th warmest month, with average highs of 74°F and lows of 43°F. That is 5° cooler than August, and 12° above the yearly average high.
- Average high
- 74°F
- Average low
- 43°F
- Precipitation
- 1.8 in
- Wet days
- 8
- Sunrise · sunset
- 6:09 AM · 6:34 PM
September across the year
High and low Rain
What to wear in September
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
September is good for
What’s on in Flagstaff in September
See all upcoming events and school days off.
Around Flagstaff
See Flagstaff
A look around town before you go.
THINGS TO DO · YOUTUBE SHORT
Best Things to Do in Flagstaff, AZ! 🌲
A local activity Short shared by Plates and Paradise.
Watch on YouTube ↗September compared with the months around it
Planning a trip? See the best time to visit Flagstaff and today’s forecast.
Questions
How hot does it get in Flagstaff in September?
Average highs are 74°F and average lows 43°F, for a daily mean of 58°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Flagstaff in September?
September averages 1.8 in of precipitation over about 8 days with at least 0.01 in. It is the 7th wettest month of the year.
What time is sunset in Flagstaff in September?
Around mid-September the sun rises about 6:09 AM and sets about 6:34 PM, for roughly 12.4 hours of daylight.
Is September a good time to visit Flagstaff?
Yes. September is one of the mildest months, with highs between 65°F and 85°F and little rain.
NOAA U.S. Climate Normals 1991–2020, Flagstaff Pulliam Ap station (3.6 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.