S
M
T
W
T
F
S
30
82°
64°
31
84°
65°
1
85°
65°
2
84°
64°
3
85°
59°
4
78°
61°
5
80°
64°
6
84°
62°
7
81°
61°
8
80°
57°
9
83°
64°
10
83°
63°
11
82°
54°
12
81°
60°
13
79°
61°
14
82°
62°
15
78°
61°
16
80°
60°
17
81°
61°
18
81°
61°
19
79°
60°
20
80°
52°
21
79°
49°
22
71°
56°
23
71°
57°
24
77°
57°
25
78°
59°
26
78°
52°
27
79°
49°
28
69°
48°
29
68°
50°
30
67°
47°
1
66°
48°
2
67°
55°
3
69°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Reading
Reading's September 2026 forecast shows daily high temperatures ranging from 66° to 85°, with overnight lows between 47° and 65°. The average high for September is 78° with an average low of 58°. 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 Reading. See also: October | November | December.
