S
M
T
W
T
F
S
30
86°
69°
31
93°
67°
1
96°
73°
2
98°
73°
3
96°
72°
4
95°
71°
5
95°
69°
6
84°
67°
7
86°
62°
8
85°
57°
9
88°
57°
10
93°
67°
11
97°
73°
12
92°
69°
13
90°
76°
14
94°
71°
15
85°
61°
16
86°
56°
17
92°
58°
18
96°
70°
19
89°
70°
20
91°
62°
21
94°
66°
22
89°
67°
23
69°
64°
24
66°
60°
25
74°
55°
26
80°
52°
27
82°
54°
28
82°
52°
29
85°
55°
30
86°
58°
1
88°
57°
2
91°
66°
3
76°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fremont
Fremont'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 Fremont. See also: October | November | December.
