ClimateAverages

Phoenix Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
34°C
Clear · feels like 36°C
Humidity
31%
Wind
6 kph SE
UV
0
Rain
0%
Updated Jul 9, 05:00 AMWeather data by WeatherAPI.com
September daytime high
37.6°C
September overnight low
20.9°C
September average
29.3°C

In September, Phoenix typically sees daytime highs of 37.6°C and overnight lows around 20.9°C. Compared to the annual average high of 30.0°C, September runs +7.6°C.

vs. annual avg high
+7.6°C
Rank among 12 months
#4 warmest
Hottest year overall
2020

Where September ranks in Phoenix

JanFebMarAprMayJunJulAugSep38°OctNovDec

FAQ

What is the average temperature in Phoenix in September?

September in Phoenix averages a daytime high of 37.6°C and an overnight low of 20.9°C.

Is September warm or cold in Phoenix?

September runs +7.6°C compared to Phoenix's annual average high of 30.0°C, ranking #4 of 12 months by warmth.

What should I pack for Phoenix in September?

Plan for daytime highs near 37.6°C and cooler evenings around 20.9°C.

Other months for Phoenix

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

TucsonMesaChandlerGilbertGlendaleScottsdaleTempePeoriaTempe JunctionSurpriseYumaSan Tan Valley