S
M
T
W
T
F
S
30
89°
60°
31
90°
63°
1
91°
62°
2
91°
61°
3
90°
62°
4
88°
60°
5
92°
63°
6
93°
65°
7
Hist. Avg.
97°
58°
8
Hist. Avg.
96°
58°
9
Hist. Avg.
96°
57°
10
Hist. Avg.
96°
57°
11
Hist. Avg.
95°
57°
12
Hist. Avg.
94°
57°
13
Hist. Avg.
94°
56°
14
Hist. Avg.
94°
56°
15
Hist. Avg.
93°
56°
16
Hist. Avg.
92°
55°
17
Hist. Avg.
92°
55°
18
Hist. Avg.
91°
55°
19
Hist. Avg.
91°
55°
20
Hist. Avg.
90°
54°
21
Hist. Avg.
90°
54°
22
Hist. Avg.
89°
54°
23
Hist. Avg.
89°
54°
24
Hist. Avg.
88°
53°
25
Hist. Avg.
88°
53°
26
Hist. Avg.
87°
53°
27
Hist. Avg.
86°
52°
28
Hist. Avg.
86°
52°
29
Hist. Avg.
86°
52°
30
Hist. Avg.
85°
52°
1
Hist. Avg.
85°
51°
2
Hist. Avg.
84°
51°
3
Hist. Avg.
84°
51°
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 88° to 93°, with overnight lows between 60° and 65°. The average high for September is 91° with an average low of 62°. 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.
