S
M
T
W
T
F
S
30
85°
63°
31
83°
64°
1
82°
69°
2
81°
70°
3
89°
69°
4
89°
70°
5
88°
67°
6
84°
63°
7
84°
67°
8
85°
61°
9
80°
60°
10
80°
60°
11
79°
61°
12
82°
59°
13
81°
66°
14
85°
61°
15
79°
58°
16
78°
60°
17
77°
59°
18
78°
63°
19
81°
56°
20
80°
59°
21
80°
59°
22
83°
56°
23
77°
56°
24
76°
55°
25
76°
57°
26
77°
61°
27
79°
61°
28
80°
60°
29
81°
53°
30
75°
54°
1
73°
60°
2
79°
60°
3
80°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in U Street
U Street's September 2026 forecast shows daily high temperatures ranging from 73° to 89°, with overnight lows between 53° and 70°. The average high for September is 81° with an average low of 61°. 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 U Street. See also: October | November | December.