S
M
T
W
T
F
S
30
87°
65°
31
91°
71°
1
96°
72°
2
97°
74°
3
96°
73°
4
92°
71°
5
81°
64°
6
82°
60°
7
83°
63°
8
84°
63°
9
88°
69°
10
86°
64°
11
79°
63°
12
81°
63°
13
79°
62°
14
76°
58°
15
78°
65°
16
81°
60°
17
80°
59°
18
77°
59°
19
82°
60°
20
80°
60°
21
78°
59°
22
78°
57°
23
76°
53°
24
73°
56°
25
79°
57°
26
76°
52°
27
69°
48°
28
67°
46°
29
68°
47°
30
67°
46°
1
66°
44°
2
67°
52°
3
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fairborn
Fairborn's September 2026 forecast shows daily high temperatures ranging from 66° to 97°, with overnight lows between 44° and 74°. The average high for September is 79° with an average low of 59°. 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 Fairborn. See also: October | November | December.
