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Phoenix–Mesa Gateway Airport, AZ

100°F
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Phoenix–Mesa Gateway Airport

Arizona

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Phoenix–Mesa Gateway Airport, AZ Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

 Air Quality Health & Activities
Blowing Dust Advisory

September

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
30
Sunny spells
99°
72°
31
Partly sunny
100°
71°
1
Partly sunny
99°
70°
2
Mostly sunny
99°
70°
3
Mostly sunny
98°
72°
4
Mostly sunny and very warm
101°
74°
5
Mostly sunny and very warm
104°
72°
6
Partly sunny
100°
70°
7
Partial sunshine
98°
68°
8
Scintillating sunshine
97°
67°
9
Sunny to partly cloudy
97°
68°
10
Plenty of sunshine
98°
70°
11
Sunny and very warm
102°
68°
12
Mostly sunny and very warm
103°
68°
13
Warm with plenty of sunshine
101°
71°
14
Sunny and very warm
103°
73°
15
Very warm with some sun
104°
70°
16
Warm with periods of sun
99°
67°
17
Mostly sunny and warm
100°
69°
18
Warm with plenty of sunshine
99°
72°
19
Partly sunny and very warm
101°
66°
20
Partly sunny and warm
100°
68°
21
Mostly sunny and warm
100°
71°
22
Partly sunny and warm
97°
68°
23
Couple of thunderstorms
94°
65°
24
A few morning showers
91°
69°
25
Mostly sunny
93°
68°
26
Sunshine and less humid
95°
69°
27
Sunny
94°
70°
28
Sunny to partly cloudy
93°
71°
29
Warm with some sun
95°
70°
30
A thunderstorm in spots
93°
71°
1
A shower and thunderstorm
91°
69°
2
Mostly cloudy
91°
64°
3
A couple of morning showers
88°
64°

Temperature Graph

°F
110° 100° 90° 80° 70° Sep
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

September Weather in Phoenix–Mesa Gateway Airport

Phoenix–Mesa Gateway Airport's September 2026 forecast shows daily high temperatures ranging from 88° to 104°, with overnight lows between 64° and 74°. The average high for September is 98° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Phoenix–Mesa Gateway Airport. See also: October | November | December.

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World North America United States Arizona Phoenix–Mesa Gateway Airport

Weather Near Phoenix–Mesa Gateway Airport:

  • Flagstaff, AZ
  • Mesa, AZ
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