S
M
T
W
T
F
S
30
77°
64°
31
73°
63°
1
73°
61°
2
74°
59°
3
73°
63°
4
73°
66°
5
77°
64°
6
73°
60°
7
74°
62°
8
74°
61°
9
75°
60°
10
77°
64°
11
78°
64°
12
77°
63°
13
78°
64°
14
74°
64°
15
75°
63°
16
70°
60°
17
69°
58°
18
68°
55°
19
74°
61°
20
71°
57°
21
67°
56°
22
67°
54°
23
74°
60°
24
76°
60°
25
75°
59°
26
73°
58°
27
72°
59°
28
70°
57°
29
64°
58°
30
65°
57°
1
68°
56°
2
67°
50°
3
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fenway Park
Fenway Park's September 2026 forecast shows daily high temperatures ranging from 64° to 78°, with overnight lows between 46° and 66°. The average high for September is 72° with an average low of 60°. 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 Fenway Park. See also: October | November | December.
