S
M
T
W
T
F
S
30
84°
61°
31
85°
57°
1
87°
58°
2
89°
58°
3
90°
60°
4
92°
58°
5
92°
58°
6
90°
60°
7
93°
59°
8
86°
61°
9
83°
57°
10
83°
60°
11
91°
53°
12
78°
57°
13
89°
51°
14
87°
68°
15
71°
56°
16
82°
49°
17
82°
58°
18
83°
59°
19
81°
55°
20
83°
49°
21
73°
56°
22
80°
57°
23
72°
56°
24
72°
55°
25
70°
51°
26
80°
53°
27
81°
53°
28
76°
55°
29
64°
49°
30
65°
50°
1
70°
47°
2
74°
50°
3
70°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fountain
Fountain's September 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 43° and 55°. The average high for September is 72° with an average low of 50°. 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. See also: October | November | December.
