S
M
T
W
T
F
S
30
75°
50°
31
76°
56°
1
77°
59°
2
84°
58°
3
86°
58°
4
78°
49°
5
73°
49°
6
76°
53°
7
74°
48°
8
75°
49°
9
74°
54°
10
72°
55°
11
73°
52°
12
73°
49°
13
72°
54°
14
74°
56°
15
80°
54°
16
81°
48°
17
78°
50°
18
77°
47°
19
80°
48°
20
79°
55°
21
79°
52°
22
76°
48°
23
72°
51°
24
70°
48°
25
69°
48°
26
72°
47°
27
69°
54°
28
68°
53°
29
68°
50°
30
68°
51°
1
74°
53°
2
73°
52°
3
74°
49°
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 68° to 86°, with overnight lows between 47° and 59°. The average high for September is 75° with an average low of 52°. 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.
