S
M
T
W
T
F
S
30
91°
51°
31
90°
49°
1
89°
48°
2
88°
47°
3
87°
46°
4
86°
45°
5
86°
46°
6
87°
50°
7
87°
50°
8
88°
47°
9
87°
46°
10
87°
47°
11
86°
49°
12
86°
51°
13
87°
52°
14
92°
52°
15
92°
51°
16
91°
52°
17
90°
52°
18
91°
51°
19
91°
52°
20
92°
51°
21
90°
49°
22
89°
48°
23
88°
50°
24
89°
49°
25
88°
50°
26
90°
51°
27
Hist. Avg.
87°
48°
28
Hist. Avg.
87°
48°
29
Hist. Avg.
87°
47°
30
Hist. Avg.
87°
47°
1
Hist. Avg.
87°
47°
2
Hist. Avg.
86°
47°
3
Hist. Avg.
86°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Ben Lomond
Ben Lomond's September 2026 forecast shows daily high temperatures ranging from 86° to 92°, with overnight lows between 45° and 52°. The average high for September is 89° 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 Ben Lomond. See also: October | November | December.
