S
M
T
W
T
F
S
30
89°
64°
31
92°
64°
1
88°
59°
2
88°
64°
3
88°
70°
4
93°
69°
5
83°
65°
6
79°
64°
7
83°
64°
8
84°
66°
9
82°
55°
10
81°
50°
11
85°
60°
12
75°
50°
13
71°
42°
14
62°
41°
15
72°
48°
16
75°
42°
17
72°
59°
18
63°
59°
19
62°
57°
20
66°
55°
21
62°
50°
22
67°
45°
23
69°
42°
24
67°
53°
25
71°
58°
26
62°
58°
27
65°
58°
28
74°
53°
29
72°
58°
30
74°
61°
1
65°
44°
2
64°
35°
3
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Randolph
Randolph's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Randolph. See also: October | November | December.