S
M
T
W
T
F
S
30
64°
41°
31
64°
42°
1
60°
39°
2
63°
38°
3
58°
32°
4
59°
38°
5
62°
38°
6
61°
31°
7
55°
29°
8
53°
33°
9
59°
32°
10
54°
28°
11
50°
29°
12
47°
28°
13
47°
36°
14
50°
35°
15
51°
28°
16
50°
27°
17
47°
31°
18
47°
33°
19
48°
33°
20
51°
31°
21
52°
25°
22
46°
32°
23
48°
24°
24
44°
24°
25
41°
23°
26
41°
22°
27
40°
23°
28
41°
24°
29
40°
25°
30
40°
23°
1
41°
24°
2
40°
22°
3
40°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Barlow
Barlow's September 2026 forecast shows daily high temperatures ranging from 40° to 64°, with overnight lows between 21° and 42°. The average high for September is 50° with an average low of 30°. 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 Barlow. See also: October | November | December.
