S
M
T
W
T
F
S
30
82°
65°
31
82°
64°
1
84°
60°
2
76°
57°
3
75°
56°
4
75°
57°
5
76°
56°
6
80°
63°
7
82°
63°
8
82°
62°
9
81°
63°
10
82°
63°
11
82°
62°
12
83°
63°
13
83°
64°
14
83°
56°
15
72°
53°
16
69°
52°
17
71°
53°
18
70°
52°
19
71°
50°
20
70°
50°
21
78°
53°
22
78°
56°
23
77°
49°
24
77°
48°
25
68°
48°
26
71°
52°
27
72°
56°
28
75°
55°
29
72°
46°
30
66°
45°
1
65°
52°
2
68°
50°
3
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fannettsburg
Fannettsburg's September 2026 forecast shows daily high temperatures ranging from 65° to 84°, with overnight lows between 45° and 65°. 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 Fannettsburg. See also: October | November | December.