S
M
T
W
T
F
S
30
74°
52°
31
72°
55°
1
61°
47°
2
61°
52°
3
62°
50°
4
61°
51°
5
64°
50°
6
73°
48°
7
79°
49°
8
74°
52°
9
81°
50°
10
80°
51°
11
74°
51°
12
74°
49°
13
75°
50°
14
72°
48°
15
74°
52°
16
72°
51°
17
75°
52°
18
72°
51°
19
68°
48°
20
71°
51°
21
71°
51°
22
74°
50°
23
69°
51°
24
68°
47°
25
66°
45°
26
67°
46°
27
66°
45°
28
67°
48°
29
69°
49°
30
68°
49°
1
67°
48°
2
68°
50°
3
73°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in San Benito-Bitterwater
San Benito-Bitterwater's September 2026 forecast shows daily high temperatures ranging from 61° to 81°, with overnight lows between 45° and 52°. The average high for September is 70° with an average low of 49°. 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 San Benito-Bitterwater. See also: October | November | December.
