S
M
T
W
T
F
S
30
72°
53°
31
73°
52°
1
71°
54°
2
71°
53°
3
70°
51°
4
70°
48°
5
66°
48°
6
67°
52°
7
68°
50°
8
70°
52°
9
68°
51°
10
68°
48°
11
67°
47°
12
68°
48°
13
68°
49°
14
66°
50°
15
65°
46°
16
65°
44°
17
63°
44°
18
63°
46°
19
64°
48°
20
63°
47°
21
62°
44°
22
63°
45°
23
63°
46°
24
62°
47°
25
61°
47°
26
64°
49°
27
66°
50°
28
65°
50°
29
Hist. Avg.
61°
46°
30
Hist. Avg.
60°
45°
1
Hist. Avg.
60°
45°
2
Hist. Avg.
60°
45°
3
Hist. Avg.
59°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Berkhamsted
Berkhamsted's September 2026 forecast shows daily high temperatures ranging from 61° to 73°, with overnight lows between 44° and 54°. The average high for September is 66° with an average low of 49°. 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 Berkhamsted. See also: October | November | December.
