S
M
T
W
T
F
S
30
89°
53°
31
90°
48°
1
82°
53°
2
77°
57°
3
86°
55°
4
87°
48°
5
85°
48°
6
78°
54°
7
85°
55°
8
86°
51°
9
84°
51°
10
76°
48°
11
75°
47°
12
77°
48°
13
74°
46°
14
74°
50°
15
77°
51°
16
83°
52°
17
84°
50°
18
84°
43°
19
77°
49°
20
76°
48°
21
81°
50°
22
79°
41°
23
79°
38°
24
69°
40°
25
71°
44°
26
69°
37°
27
79°
47°
28
80°
46°
29
Hist. Avg.
75°
42°
30
Hist. Avg.
74°
42°
1
Hist. Avg.
74°
41°
2
Hist. Avg.
73°
41°
3
Hist. Avg.
73°
40°
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 69° to 90°, with overnight lows between 37° and 57°. The average high for September is 80° 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 Holyoke. See also: October | November | December.
