S
M
T
W
T
F
S
30
69°
45°
31
71°
47°
1
70°
48°
2
71°
46°
3
71°
47°
4
72°
48°
5
71°
50°
6
72°
50°
7
72°
48°
8
71°
44°
9
65°
43°
10
60°
40°
11
60°
40°
12
61°
38°
13
58°
38°
14
57°
37°
15
57°
43°
16
59°
44°
17
58°
34°
18
58°
34°
19
57°
33°
20
54°
34°
21
55°
35°
22
54°
35°
23
Hist. Avg.
58°
37°
24
Hist. Avg.
57°
37°
25
Hist. Avg.
57°
37°
26
Hist. Avg.
57°
37°
27
Hist. Avg.
56°
36°
28
Hist. Avg.
56°
36°
29
Hist. Avg.
56°
36°
30
Hist. Avg.
55°
35°
1
Hist. Avg.
55°
35°
2
Hist. Avg.
54°
35°
3
Hist. Avg.
54°
34°
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 54° to 72°, with overnight lows between 33° and 50°. The average high for September is 63° with an average low of 42°. 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.
