S
M
T
W
T
F
S
30
62°
51°
31
63°
52°
1
63°
51°
2
62°
50°
3
62°
50°
4
61°
48°
5
62°
46°
6
62°
46°
7
61°
47°
8
62°
49°
9
63°
49°
10
62°
48°
11
61°
50°
12
59°
50°
13
60°
49°
14
62°
48°
15
61°
50°
16
61°
49°
17
60°
48°
18
56°
48°
19
58°
49°
20
58°
48°
21
56°
49°
22
Hist. Avg.
58°
47°
23
Hist. Avg.
58°
47°
24
Hist. Avg.
58°
47°
25
Hist. Avg.
58°
47°
26
Hist. Avg.
57°
47°
27
Hist. Avg.
57°
47°
28
Hist. Avg.
57°
46°
29
Hist. Avg.
57°
46°
30
Hist. Avg.
57°
46°
1
Hist. Avg.
56°
46°
2
Hist. Avg.
56°
46°
3
Hist. Avg.
56°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Innerleithen
Innerleithen's September 2026 forecast shows daily high temperatures ranging from 56° to 63°, with overnight lows between 46° and 52°. The average high for September is 61° 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 Innerleithen. See also: October | November | December.
