S
M
T
W
T
F
S
30
78°
55°
31
81°
56°
1
83°
55°
2
78°
54°
3
77°
55°
4
81°
59°
5
83°
60°
6
83°
60°
7
82°
56°
8
76°
53°
9
80°
59°
10
81°
57°
11
78°
58°
12
81°
58°
13
81°
55°
14
74°
50°
15
73°
50°
16
74°
51°
17
73°
52°
18
77°
55°
19
78°
55°
20
79°
56°
21
72°
52°
22
76°
53°
23
72°
54°
24
77°
50°
25
73°
46°
26
69°
52°
27
77°
52°
28
77°
53°
29
Hist. Avg.
72°
50°
30
Hist. Avg.
72°
49°
1
Hist. Avg.
72°
49°
2
Hist. Avg.
71°
48°
3
Hist. Avg.
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Southwest District
Southwest District's September 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 46° and 60°. The average high for September is 77° with an average low of 54°. 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 Southwest District. See also: October | November | December.
