S
M
T
W
T
F
S
30
91°
70°
31
91°
72°
1
95°
72°
2
95°
74°
3
94°
74°
4
94°
70°
5
93°
68°
6
90°
68°
7
89°
72°
8
89°
70°
9
88°
67°
10
85°
61°
11
84°
61°
12
81°
62°
13
76°
58°
14
75°
57°
15
76°
54°
16
82°
60°
17
81°
61°
18
76°
56°
19
79°
58°
20
80°
58°
21
79°
57°
22
79°
57°
23
78°
56°
24
79°
57°
25
75°
55°
26
67°
48°
27
66°
44°
28
64°
43°
29
66°
48°
30
67°
43°
1
68°
53°
2
67°
49°
3
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fontanelle
Fontanelle's September 2026 forecast shows daily high temperatures ranging from 63° to 95°, with overnight lows between 43° and 74°. The average high for September is 79° with an average low of 58°. 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 Fontanelle. See also: October | November | December.
