S
M
T
W
T
F
S
30
69°
43°
31
64°
44°
1
67°
46°
2
65°
45°
3
62°
39°
4
63°
42°
5
67°
44°
6
71°
35°
7
72°
33°
8
61°
34°
9
58°
34°
10
59°
33°
11
60°
35°
12
61°
35°
13
65°
40°
14
65°
43°
15
66°
38°
16
64°
40°
17
57°
40°
18
59°
41°
19
61°
39°
20
64°
36°
21
61°
35°
22
56°
34°
23
56°
34°
24
61°
38°
25
63°
40°
26
56°
33°
27
60°
38°
28
Hist. Avg.
60°
33°
29
Hist. Avg.
60°
32°
30
Hist. Avg.
59°
32°
1
Hist. Avg.
59°
32°
2
Hist. Avg.
58°
31°
3
Hist. Avg.
58°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Balmoral NW
Balmoral NW's September 2026 forecast shows daily high temperatures ranging from 56° to 72°, with overnight lows between 33° and 46°. The average high for September is 63° with an average low of 38°. 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 Balmoral NW. See also: October | November | December.