Gilbert weather in September

September in Gilbert 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.

GilbertArizonaPop. 287,285
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 Gilbert?

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 6:10 am and sets at 6:32 pm, giving 12h 22m of daylight. Daylight all year.

What to pack for Gilbert 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.
Gilbert101°F69°F0.7 in
Chandler, AZ6 mi101°F69°F0.7 in
Mesa, AZ7 mi101°F69°F0.7 in
Queen Creek, AZ9 mi99°F71°F1.1 in
Tempe, AZ12 mi101°F69°F0.7 in
Scottsdale, AZ16 mi98°F75°F0.6 in
San Tan Valley, AZ16 mi99°F72°F0.3 in

Frequently asked questions

What is the weather like in Gilbert in September?

In September, Gilbert 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 Gilbert?

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

Does it snow in Gilbert in September?

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

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

NOAA NCEI 1991-2020 climate normals, station Tempe ASU, AZ, 12.2 miles from the city center.