S
M
T
W
T
F
S
30
84°
63°
31
82°
66°
1
88°
72°
2
91°
73°
3
88°
68°
4
81°
68°
5
77°
61°
6
77°
57°
7
79°
54°
8
84°
63°
9
87°
69°
10
73°
59°
11
78°
54°
12
80°
63°
13
82°
62°
14
79°
66°
15
82°
64°
16
76°
58°
17
72°
58°
18
70°
52°
19
68°
50°
20
71°
52°
21
70°
51°
22
73°
56°
23
72°
55°
24
75°
55°
25
76°
54°
26
77°
54°
27
75°
53°
28
76°
55°
29
77°
55°
30
77°
54°
1
76°
54°
2
74°
51°
3
73°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Vandergrift
Vandergrift's September 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 46° and 69°. The average high for September is 76° with an average low of 56°. 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 Vandergrift. See also: October | November | December.
