S
M
T
W
T
F
S
30
94°
64°
31
93°
65°
1
83°
59°
2
85°
58°
3
87°
61°
4
84°
63°
5
89°
61°
6
90°
62°
7
93°
62°
8
97°
65°
9
102°
72°
10
105°
74°
11
101°
73°
12
98°
67°
13
85°
63°
14
87°
58°
15
91°
62°
16
87°
61°
17
81°
60°
18
84°
58°
19
89°
62°
20
89°
66°
21
87°
62°
22
88°
59°
23
92°
64°
24
100°
67°
25
92°
66°
26
91°
63°
27
90°
61°
28
81°
56°
29
86°
58°
30
93°
63°
1
97°
64°
2
93°
68°
3
98°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fresno
Fresno's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Fresno. See also: October | November | December.
