S
M
T
W
T
F
S
30
74°
52°
31
78°
54°
1
70°
57°
2
70°
60°
3
79°
61°
4
80°
59°
5
72°
53°
6
71°
49°
7
79°
44°
8
74°
47°
9
70°
50°
10
82°
58°
11
72°
45°
12
75°
43°
13
71°
60°
14
68°
44°
15
70°
41°
16
76°
51°
17
76°
58°
18
74°
48°
19
64°
39°
20
53°
39°
21
63°
46°
22
64°
40°
23
64°
38°
24
65°
44°
25
72°
49°
26
62°
51°
27
63°
50°
28
65°
50°
29
68°
49°
30
71°
50°
1
71°
49°
2
67°
41°
3
60°
46°
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 60° to 72°, with overnight lows between 38° and 51°. The average high for September is 66° with an average low of 46°. 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.
