S
M
T
W
T
F
S
31
78°
44°
1
80°
49°
2
80°
50°
3
71°
52°
4
61°
40°
5
59°
52°
6
59°
43°
7
63°
38°
8
68°
37°
9
72°
46°
10
77°
50°
11
81°
48°
12
82°
53°
13
80°
55°
14
85°
58°
15
84°
59°
16
85°
56°
17
86°
51°
18
86°
55°
19
84°
61°
20
80°
57°
21
76°
60°
22
78°
59°
23
74°
58°
24
75°
57°
25
74°
53°
26
79°
52°
27
83°
51°
28
78°
51°
29
84°
46°
30
82°
49°
1
73°
55°
2
77°
48°
3
86°
53°
4
85°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fremont
Fremont's September 2025 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.
