S
M
T
W
T
F
S
30
81°
58°
31
76°
54°
1
75°
57°
2
74°
59°
3
80°
52°
4
76°
55°
5
74°
58°
6
75°
59°
7
82°
60°
8
81°
59°
9
80°
56°
10
79°
57°
11
73°
58°
12
71°
58°
13
80°
55°
14
Hist. Avg.
74°
52°
15
Hist. Avg.
74°
52°
16
Hist. Avg.
74°
51°
17
Hist. Avg.
73°
51°
18
Hist. Avg.
73°
50°
19
Hist. Avg.
73°
50°
20
Hist. Avg.
72°
50°
21
Hist. Avg.
72°
49°
22
Hist. Avg.
72°
49°
23
Hist. Avg.
71°
48°
24
Hist. Avg.
71°
48°
25
Hist. Avg.
70°
48°
26
Hist. Avg.
70°
47°
27
Hist. Avg.
69°
47°
28
Hist. Avg.
69°
46°
29
Hist. Avg.
68°
46°
30
Hist. Avg.
68°
46°
1
Hist. Avg.
68°
45°
2
Hist. Avg.
67°
45°
3
Hist. Avg.
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Fremont
Fremont's September 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 52° and 60°. The average high for September is 77° with an average low of 57°. 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.
