S
M
T
W
T
F
S
30
102°
77°
31
101°
78°
1
100°
78°
2
100°
78°
3
93°
77°
4
100°
78°
5
101°
75°
6
100°
77°
7
101°
76°
8
101°
79°
9
101°
81°
10
101°
77°
11
98°
77°
12
101°
75°
13
99°
79°
14
99°
78°
15
101°
79°
16
100°
80°
17
99°
77°
18
97°
74°
19
97°
72°
20
98°
74°
21
96°
71°
22
97°
74°
23
98°
76°
24
94°
77°
25
93°
72°
26
94°
67°
27
94°
73°
28
94°
76°
29
95°
75°
30
90°
78°
1
81°
70°
2
81°
72°
3
76°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Arlington Municipal Airport
Arlington Municipal Airport's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Arlington Municipal Airport. See also: October | November | December.
