S
M
T
W
T
F
S
30
100°
74°
31
100°
73°
1
100°
74°
2
97°
73°
3
92°
74°
4
97°
72°
5
98°
74°
6
99°
72°
7
101°
77°
8
99°
75°
9
98°
75°
10
98°
76°
11
96°
74°
12
100°
75°
13
99°
72°
14
99°
73°
15
96°
69°
16
92°
67°
17
90°
67°
18
90°
66°
19
89°
62°
20
88°
64°
21
92°
70°
22
92°
70°
23
91°
69°
24
90°
68°
25
85°
68°
26
89°
67°
27
89°
67°
28
88°
66°
29
87°
67°
30
86°
61°
1
78°
56°
2
77°
55°
3
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fruitvale
Fruitvale's September 2026 forecast shows daily high temperatures ranging from 77° to 101°, with overnight lows between 55° and 77°. The average high for September is 91° with an average low of 68°. 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 Fruitvale. See also: October | November | December.
