Mesa weather in September

September in Mesa averages 101°F by day and 69°F at night, with 0.7 inches of precipitation. It is the 4th-warmest and 7th-wettest month of the year here.

MesaArizonaPop. 513,656
Average high
101°F-4° vs August
Average low
69°F0 nights below freezing
Precipitation
0.7 in2 days with 0.1 in. or more
Snow
0.0 in29 days at 90°F+

Is September a good time to visit Mesa?

September is hot. Average highs reach 101°F, with about 29 days at 90°F or more. The most comfortable months overall are March and November.

On September 15 the sun rises at 6:11 am and sets at 6:33 pm, giving 12h 22m of daylight. Daylight all year.

What to pack for Mesa in September

  • Light, breathable clothes, a hat and sunscreen; carry water

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

September nearby

CityDistanceHighLowPrecip.
Mesa101°F69°F0.7 in
Gilbert, AZ7 mi101°F69°F0.7 in
Tempe, AZ7 mi101°F69°F0.7 in
Chandler, AZ7 mi101°F69°F0.7 in
Scottsdale, AZ9 mi98°F75°F0.6 in
Queen Creek, AZ15 mi99°F71°F1.1 in
Phoenix, AZ16 mi100°F78°F0.6 in

Frequently asked questions

What is the weather like in Mesa in September?

In September, Mesa averages a high of 101°F and a low of 69°F, with 0.7 inches of precipitation (NOAA 1991-2020 normals).

Is September a good time to visit Mesa?

September is hot in Mesa, with average highs of 101°F. Plan outdoor time for mornings and evenings.

Does it snow in Mesa in September?

Rarely. The September snowfall normal is under half an inch.

Before and after: Mesa in August and Mesa in October. All twelve months: Mesa weather by month.

NOAA NCEI 1991-2020 climate normals, station Tempe ASU, AZ, 6.8 miles from the city center.