S
M
T
W
T
F
S
30
71°
51°
31
78°
51°
1
78°
54°
2
72°
60°
3
77°
59°
4
77°
60°
5
72°
58°
6
71°
51°
7
78°
47°
8
74°
53°
9
68°
61°
10
80°
50°
11
67°
41°
12
74°
53°
13
76°
57°
14
73°
55°
15
76°
59°
16
74°
50°
17
71°
49°
18
69°
48°
19
61°
42°
20
63°
45°
21
64°
44°
22
62°
43°
23
64°
48°
24
67°
46°
25
60°
38°
26
61°
39°
27
60°
47°
28
61°
45°
29
59°
40°
30
60°
44°
1
62°
45°
2
58°
41°
3
65°
45°
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 58° to 80°, with overnight lows between 38° and 61°. The average high for September is 66° with an average low of 47°. 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.
