S
M
T
W
T
F
S
31
75°
54°
1
77°
54°
2
78°
55°
3
73°
52°
4
66°
44°
5
68°
49°
6
67°
42°
7
68°
41°
8
71°
41°
9
76°
43°
10
81°
55°
11
83°
58°
12
85°
55°
13
84°
64°
14
86°
61°
15
87°
58°
16
85°
59°
17
86°
54°
18
89°
58°
19
86°
59°
20
78°
63°
21
81°
64°
22
83°
63°
23
80°
63°
24
77°
58°
25
79°
53°
26
84°
49°
27
87°
57°
28
86°
57°
29
90°
56°
30
86°
58°
1
80°
56°
2
85°
55°
3
89°
60°
4
88°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gardner
Gardner's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Gardner. See also: October | November | December.