S
M
T
W
T
F
S
30
83°
68°
31
83°
67°
1
84°
65°
2
77°
60°
3
76°
61°
4
76°
62°
5
77°
59°
6
78°
64°
7
83°
66°
8
82°
65°
9
82°
66°
10
83°
66°
11
83°
65°
12
82°
66°
13
83°
66°
14
82°
59°
15
75°
57°
16
72°
55°
17
73°
56°
18
72°
54°
19
71°
53°
20
71°
53°
21
76°
54°
22
77°
58°
23
78°
53°
24
78°
52°
25
70°
51°
26
71°
52°
27
72°
58°
28
76°
58°
29
76°
50°
30
69°
49°
1
67°
57°
2
68°
56°
3
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lochearn
Lochearn's September 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 49° and 68°. The average high for September is 77° with an average low of 59°. 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 Lochearn. See also: October | November | December.