Mild
Average highs are around 23°C, so days are mild rather than hot.
September verdict
Flagstaff, Arizona, United States in September
Weather score54Mixed
Mixed for holiday weather
Average highs are around 23°C, so days are mild rather than hot. Sunshine averages 9.7h per day, so bright days are a strong part of the month. Rainfall averages 49mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
23°C
Rain
49mm
Sun
9.7h
Weather score
54
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 49mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.7h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Flagstaff, Arizona, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September23°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September49mm average rain
September sits near Flagstaff's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to June and October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September9.7 hours average sun
September sits close to Flagstaff's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to June
This stretch has the strongest sunshine in the monthly averages.
Weather score
September54 weather score
September sits close to Flagstaff's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
