Flagstaff Weather in September
September in Flagstaff brings high temperatures, with daytime highs of 24°C (75°F) and nights around 6°C (43°F). The perfect weather makes it a solid choice for a visit.
Rainfall in Flagstaff in September
Historically, approximately 10 days this month are expected to have rain, averaging 50 mm (2 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Flagstaff in September
Flagstaff in September is worth a visit. The temperature is perfect, with 24°C (75°F) during the day and 6°C (43°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Flagstaff.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Flagstaff's climate page.
Flagstaff Temperature in September
Min Temperature
6°C (43°F)
Max Temperature
24°C (75°F)
Chance of Rain
33%
Precipitation
50 mm (2 in)
Rainy days
10 days
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Flagstaff in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Flagstaff in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Flagstaff's climate page.
See the full Flagstaff climate overview or explore weather in the United States of America.
