S
M
T
W
T
F
S
30
84°
59°
31
80°
58°
1
68°
62°
2
72°
62°
3
75°
62°
4
84°
64°
5
73°
60°
6
73°
54°
7
80°
51°
8
79°
56°
9
74°
53°
10
86°
69°
11
77°
52°
12
76°
46°
13
67°
61°
14
72°
50°
15
71°
45°
16
80°
51°
17
78°
63°
18
77°
58°
19
63°
46°
20
62°
45°
21
68°
52°
22
63°
45°
23
63°
43°
24
65°
44°
25
67°
44°
26
63°
55°
27
57°
55°
28
56°
54°
29
66°
55°
30
70°
58°
1
75°
57°
2
85°
63°
3
69°
46°
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.
