S
M
T
W
T
F
S
30
90°
66°
31
84°
65°
1
82°
70°
2
82°
69°
3
86°
65°
4
87°
71°
5
88°
71°
6
89°
64°
7
86°
64°
8
80°
63°
9
80°
63°
10
82°
67°
11
85°
63°
12
83°
63°
13
78°
62°
14
77°
68°
15
82°
69°
16
85°
61°
17
84°
60°
18
76°
58°
19
75°
60°
20
75°
65°
21
74°
65°
22
75°
59°
23
74°
62°
24
74°
61°
25
76°
64°
26
77°
64°
27
80°
58°
28
80°
56°
29
73°
62°
30
73°
62°
1
72°
63°
2
75°
61°
3
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Congress Heights
Congress Heights's September 2026 forecast shows daily high temperatures ranging from 72° to 90°, with overnight lows between 55° and 71°. The average high for September is 80° with an average low of 63°. 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 Congress Heights. See also: October | November | December.
