S
M
T
W
T
F
S
30
84°
54°
31
79°
57°
1
69°
62°
2
79°
61°
3
79°
61°
4
82°
57°
5
77°
58°
6
73°
48°
7
78°
52°
8
79°
56°
9
74°
63°
10
80°
59°
11
73°
53°
12
75°
51°
13
77°
52°
14
79°
55°
15
82°
54°
16
81°
50°
17
74°
49°
18
69°
46°
19
75°
52°
20
76°
50°
21
73°
49°
22
72°
49°
23
70°
52°
24
73°
48°
25
70°
47°
26
73°
52°
27
73°
52°
28
71°
46°
29
64°
43°
30
65°
44°
1
63°
41°
2
63°
45°
3
62°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Holyoke
Holyoke's September 2026 forecast shows daily high temperatures ranging from 62° to 82°, with overnight lows between 41° and 63°. The average high for September is 73° with an average low of 51°. 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 Holyoke. See also: October | November | December.
