S
M
T
W
T
F
S
30
93°
69°
31
93°
71°
1
95°
71°
2
97°
71°
3
97°
72°
4
98°
74°
5
93°
75°
6
94°
73°
7
89°
69°
8
89°
68°
9
91°
68°
10
92°
69°
11
94°
69°
12
86°
70°
13
89°
69°
14
91°
68°
15
94°
68°
16
93°
69°
17
93°
72°
18
90°
70°
19
89°
71°
20
89°
70°
21
88°
66°
22
87°
66°
23
85°
66°
24
80°
62°
25
79°
61°
26
80°
58°
27
83°
57°
28
81°
58°
29
82°
53°
30
82°
58°
1
81°
58°
2
74°
59°
3
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fountain City
Fountain City's September 2026 forecast shows daily high temperatures ranging from 74° to 93°, with overnight lows between 53° and 72°. The average high for September is 84° with an average low of 63°. 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 Fountain City. See also: October | November | December.
