S
M
T
W
T
F
S
30
77°
58°
31
75°
60°
1
65°
58°
2
71°
58°
3
78°
59°
4
78°
63°
5
70°
58°
6
68°
54°
7
75°
53°
8
75°
58°
9
75°
58°
10
81°
60°
11
72°
56°
12
73°
56°
13
68°
61°
14
68°
54°
15
68°
50°
16
75°
51°
17
74°
66°
18
75°
56°
19
63°
49°
20
58°
52°
21
64°
50°
22
63°
45°
23
63°
44°
24
64°
46°
25
65°
51°
26
61°
54°
27
60°
54°
28
63°
54°
29
64°
53°
30
68°
54°
1
67°
54°
2
65°
47°
3
61°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Worcester
Worcester's September 2026 forecast shows daily high temperatures ranging from 60° to 68°, with overnight lows between 44° and 54°. The average high for September is 64° 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 Worcester. See also: October | November | December.
