Is Phoenix hot in September?
Days are typically very hot at 38.1°C, while nights average 25.4°C.
United States · 1991–2020 normal
Phoenix in
September.
Typical September weather in Phoenix: 38.1°C by day, 25.4°C at night, 15 mm of rain over 1.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high38.1°C
Typical low25.4°C
Rain15 mm
Wet days1.8
In the year-round weather comparison, September scores 35 out of 100 (November leads the year at 92). Daylight is calculated as 12 h 20 from latitude 33.45°.
September at a glance
What is Phoenix like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 15 mm across about 2 wet days.
How much daylight is there?
There are about 12 h 20 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 9 of 12 in our weather comparison; November ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5308655
- NOAA station
- USW00023183 · PHOENIX AP
- Station distance
- 6.9 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Phoenix is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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