S
M
T
W
T
F
S
30
90°
60°
31
91°
58°
1
89°
59°
2
93°
56°
3
93°
60°
4
97°
64°
5
95°
58°
6
88°
58°
7
N/A
8
87°
60°
9
82°
55°
10
88°
59°
11
94°
54°
12
84°
56°
13
79°
53°
14
74°
45°
15
75°
51°
16
72°
48°
17
70°
51°
18
71°
50°
19
76°
50°
20
78°
51°
21
77°
44°
22
81°
52°
23
81°
52°
24
79°
51°
25
72°
51°
26
75°
50°
27
79°
50°
28
78°
49°
29
74°
38°
30
62°
36°
1
63°
36°
2
62°
34°
3
63°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Holyoke
Holyoke's September 2026 forecast shows daily high temperatures ranging from 62° to 94°, with overnight lows between 34° and 60°. The average high for September is 76° 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 Holyoke. See also: October | November | December.
