S
M
T
W
T
F
S
30
75°
58°
31
78°
59°
1
81°
57°
2
75°
56°
3
74°
58°
4
78°
64°
5
77°
63°
6
81°
57°
7
75°
61°
8
73°
61°
9
73°
62°
10
79°
61°
11
75°
62°
12
74°
62°
13
72°
58°
14
71°
54°
15
69°
53°
16
69°
53°
17
70°
60°
18
73°
60°
19
76°
59°
20
78°
60°
21
73°
53°
22
74°
56°
23
68°
55°
24
74°
50°
25
71°
49°
26
65°
49°
27
Hist. Avg.
70°
53°
28
Hist. Avg.
69°
52°
29
Hist. Avg.
69°
52°
30
Hist. Avg.
68°
52°
1
Hist. Avg.
68°
51°
2
Hist. Avg.
68°
51°
3
Hist. Avg.
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Girard
Girard's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 49° and 64°. The average high for September is 74° with an average low of 58°. 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 Girard. See also: October | November | December.