S
M
T
W
T
F
S
30
83°
66°
31
84°
66°
1
82°
62°
2
72°
55°
3
71°
56°
4
75°
58°
5
80°
55°
6
75°
58°
7
79°
59°
8
79°
61°
9
78°
53°
10
79°
55°
11
74°
60°
12
78°
60°
13
79°
61°
14
78°
61°
15
78°
60°
16
77°
58°
17
78°
59°
18
77°
55°
19
76°
56°
20
76°
54°
21
73°
58°
22
74°
57°
23
74°
57°
24
75°
54°
25
70°
46°
26
67°
42°
27
61°
43°
28
65°
47°
29
66°
50°
30
68°
51°
1
60°
52°
2
59°
52°
3
58°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Loop
North Loop's September 2026 forecast shows daily high temperatures ranging from 58° to 84°, with overnight lows between 42° and 66°. The average high for September is 74° with an average low of 56°. 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 North Loop. See also: October | November | December.