S
M
T
W
T
F
S
30
94°
77°
31
91°
74°
1
91°
72°
2
92°
71°
3
91°
74°
4
94°
74°
5
94°
72°
6
92°
74°
7
91°
75°
8
94°
76°
9
94°
70°
10
91°
69°
11
91°
74°
12
92°
68°
13
88°
67°
14
86°
66°
15
87°
67°
16
87°
67°
17
91°
66°
18
92°
67°
19
93°
71°
20
Hist. Avg.
86°
66°
21
Hist. Avg.
86°
66°
22
Hist. Avg.
86°
65°
23
Hist. Avg.
86°
65°
24
Hist. Avg.
85°
64°
25
Hist. Avg.
85°
64°
26
Hist. Avg.
85°
64°
27
Hist. Avg.
84°
63°
28
Hist. Avg.
84°
63°
29
Hist. Avg.
84°
62°
30
Hist. Avg.
83°
62°
1
Hist. Avg.
83°
61°
2
Hist. Avg.
83°
61°
3
Hist. Avg.
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Irving
Irving's September 2026 forecast shows daily high temperatures ranging from 86° to 94°, with overnight lows between 66° and 77°. The average high for September is 91° with an average low of 71°. 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 Irving. See also: October | November | December.
