S
M
T
W
T
F
S
30
62°
47°
31
65°
49°
1
63°
49°
2
63°
46°
3
64°
46°
4
62°
47°
5
62°
45°
6
61°
44°
7
61°
49°
8
66°
45°
9
62°
45°
10
61°
44°
11
59°
42°
12
59°
44°
13
58°
46°
14
59°
49°
15
Hist. Avg.
62°
41°
16
Hist. Avg.
61°
40°
17
Hist. Avg.
61°
40°
18
Hist. Avg.
60°
40°
19
Hist. Avg.
60°
40°
20
Hist. Avg.
60°
39°
21
Hist. Avg.
59°
39°
22
Hist. Avg.
59°
39°
23
Hist. Avg.
59°
38°
24
Hist. Avg.
58°
38°
25
Hist. Avg.
58°
38°
26
Hist. Avg.
57°
38°
27
Hist. Avg.
57°
37°
28
Hist. Avg.
57°
37°
29
Hist. Avg.
56°
37°
30
Hist. Avg.
56°
37°
1
Hist. Avg.
55°
36°
2
Hist. Avg.
55°
36°
3
Hist. Avg.
55°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lomond
Lomond's September 2026 forecast shows daily high temperatures ranging from 58° to 66°, with overnight lows between 42° and 49°. The average high for September is 62° with an average low of 46°. 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 Lomond. See also: October | November | December.