Flagstaff (Route 66) in september: average Weather, Temperature and Climate
Weather in Flagstaff (Route 66) in september 2025
The weather in Flagstaff (Route 66) in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 6
Weather at 6am
58°F
Clear/Sunny
77% of time
13%
9%
3%
Weather at 12pm
74°F
Clear/Sunny
78% of time
9%
9%
3%
Weather at 6pm
76°F
Clear/Sunny
73% of time
12%
8%
7%
Weather at 3am
59°F
78%
13%
9%
1%
Evolution of daily average temperature and precipitation in Flagstaff (Route 66) in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Flagstaff (Route 66) in september.
The climate of Flagstaff (Route 66) in september is perfect
the weather in Flagstaff (Route 66) in september is relatively dry (with 2.2in of rainfall over 4 days). This is better than the previous month since in august it receives an average of 5in of rainfall over 8 days.
The climate comfortable around this city this month. Temperatures are up to 77°F. The minimum is 58°F. Thus, the mean temperature average on this month of september in Flagstaff (Route 66) is 67°F. Note that these seasonal averages are in contrast with those observed in Flagstaff (Route 66) in september with a maximum record of 90°F in 2020 and a minimum record of 38°F in 2017.
In september in Flagstaff (Route 66), the days on average last 12:23. Sunrise is at 06:09 and sets at 18:32.
With a good weather, september is recommended to go in that area.
Seasonal average climate and temperature of Flagstaff (Route 66) in september
Check below seasonal norms These statistics are compiled from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 67°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 90°F (2020) | ||||
| Lowest record temperature | 38°F (2017) | ||||
| Number of days at +86°F | 1 day(s) (3%) | ||||
| Number of days at +65°F | 29 day(s) (97%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.2in | ||||
| Number of days with rainfall | 4 day(s) (12%) | ||||
| Record daily rainfall | 1.2in (2013) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 58% | ||||
| Visibility | 9.82km | ||||
| Cloud cover | 10% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:09 | ||||
| Time of sunset | 18:32 | ||||
| Length of day | 12:23 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Flagstaff (Route 66) in september 2024:
59°F to 79°F
59°F to 81°F
59°F to 81°F
61°F to 83°F
63°F to 85°F
59°F to 85°F
61°F to 79°F
58°F to 76°F
58°F to 77°F
59°F to 79°F
59°F to 79°F
59°F to 74°F
50°F to 74°F
54°F to 76°F
54°F to 74°F
50°F to 68°F
47°F to 59°F
49°F to 61°F
52°F to 65°F
54°F to 65°F
50°F to 61°F
52°F to 70°F
58°F to 74°F
59°F to 76°F
61°F to 76°F
63°F to 77°F
65°F to 79°F
67°F to 79°F
67°F to 77°F
67°F to 76°F
Map: other cities in the United States (USA) in september
Cities near Flagstaff (Route 66):
| Grand Canyon in september | perfect weather |
| Havasu Falls (Arizona) in september | perfect weather |
| Page (Arizona) in september | perfect weather |
| Phoenix (Arizona) in september | good weather |
| Monument Valley in september | perfect weather |
| Lake Havasu City in september | perfect weather |
| Zion National Park in september | good weather |
| Bryce Canyon in september | good weather |
| Laughlin in september | good weather |
| Tucson in september | perfect weather |
| Las Vegas in september | perfect weather |
| Mesa Verde National Park (Colorado) in september | good weather |
Click over cities on the map for information about the weather in september.
Flagstaff (Route 66)
perfect weather
good
tolerable
bad
very bad
Weather data for Flagstaff (Route 66) in september:
Weather data for Flagstaff (Route 66) for september are derived from an average of the weather forecast since 2009 in Flagstaff (Route 66). There is a margin of error and these forecasts are to be considered as general information only. The weather in Flagstaff (Route 66) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Flagstaff (Route 66).