S
M
T
W
T
F
S
30
83°
64°
31
85°
69°
1
80°
63°
2
77°
64°
3
78°
62°
4
80°
61°
5
79°
58°
6
74°
57°
7
78°
63°
8
77°
62°
9
77°
63°
10
80°
62°
11
74°
58°
12
77°
61°
13
79°
60°
14
74°
56°
15
74°
56°
16
76°
60°
17
73°
59°
18
80°
57°
19
75°
53°
20
71°
51°
21
74°
59°
22
78°
58°
23
78°
57°
24
75°
53°
25
69°
55°
26
69°
51°
27
68°
50°
28
69°
50°
29
69°
51°
30
68°
51°
1
69°
52°
2
66°
49°
3
64°
47°
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 64° to 85°, with overnight lows between 47° and 69°. The average high for September is 75° with an average low of 57°. 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.
