S
M
T
W
T
F
S
30
73°
58°
31
74°
54°
1
76°
53°
2
72°
52°
3
71°
55°
4
74°
61°
5
77°
58°
6
77°
52°
7
74°
53°
8
71°
53°
9
72°
58°
10
76°
55°
11
73°
58°
12
70°
58°
13
69°
53°
14
69°
50°
15
67°
48°
16
67°
49°
17
68°
56°
18
71°
56°
19
74°
57°
20
76°
56°
21
72°
49°
22
71°
52°
23
66°
47°
24
70°
46°
25
65°
45°
26
63°
46°
27
Hist. Avg.
69°
52°
28
Hist. Avg.
68°
52°
29
Hist. Avg.
68°
52°
30
Hist. Avg.
68°
51°
1
Hist. Avg.
67°
51°
2
Hist. Avg.
67°
51°
3
Hist. Avg.
67°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Newbury
Newbury's September 2026 forecast shows daily high temperatures ranging from 63° to 77°, with overnight lows between 45° and 61°. The average high for September is 71° 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.
