S
M
T
W
T
F
S
30
72°
59°
31
75°
52°
1
72°
46°
2
66°
57°
3
79°
64°
4
68°
54°
5
72°
48°
6
81°
54°
7
73°
59°
8
64°
55°
9
64°
52°
10
68°
46°
11
70°
54°
12
73°
48°
13
70°
63°
14
75°
64°
15
72°
54°
16
68°
46°
17
68°
54°
18
66°
48°
19
73°
61°
20
66°
45°
21
73°
41°
22
75°
50°
23
72°
45°
24
70°
50°
25
71°
47°
26
69°
48°
27
70°
51°
28
69°
58°
29
76°
63°
30
72°
58°
1
65°
52°
2
65°
51°
3
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Newbury
Newbury's September 2026 forecast shows daily high temperatures ranging from 64° to 76°, with overnight lows between 47° and 63°. The average high for September is 69° with an average low of 53°. 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 Newbury. See also: October | November | December.
