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
N/A
8
86°
60°
9
87°
67°
10
93°
71°
11
88°
70°
12
86°
68°
13
89°
69°
14
90°
68°
15
91°
69°
16
90°
65°
17
80°
61°
18
83°
63°
19
80°
61°
20
78°
58°
21
77°
62°
22
83°
66°
23
81°
65°
24
80°
65°
25
81°
64°
26
83°
65°
27
84°
65°
28
82°
64°
29
82°
64°
30
81°
63°
1
81°
63°
2
80°
62°
3
81°
62°
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 77° to 93°, with overnight lows between 58° and 71°. The average high for September is 84° with an average low of 65°. 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.
