S
M
T
W
T
F
S
30
65°
53°
31
66°
50°
1
62°
49°
2
62°
50°
3
63°
51°
4
61°
51°
5
62°
50°
6
61°
51°
7
66°
47°
8
65°
48°
9
65°
51°
10
66°
50°
11
65°
48°
12
65°
46°
13
64°
46°
14
65°
49°
15
64°
49°
16
64°
48°
17
63°
45°
18
64°
46°
19
64°
49°
20
63°
50°
21
62°
49°
22
63°
47°
23
63°
46°
24
62°
46°
25
62°
47°
26
61°
46°
27
61°
47°
28
60°
48°
29
61°
44°
30
58°
45°
1
59°
44°
2
57°
45°
3
57°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hexham
Hexham's September 2026 forecast shows daily high temperatures ranging from 57° to 66°, with overnight lows between 44° and 53°. The average high for September is 63° with an average low of 48°. 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 Hexham. See also: October | November | December.