S
M
T
W
T
F
S
30
81°
54°
31
77°
53°
1
67°
60°
2
71°
60°
3
78°
59°
4
80°
56°
5
74°
54°
6
70°
48°
7
77°
47°
8
76°
51°
9
75°
53°
10
82°
59°
11
73°
48°
12
73°
42°
13
68°
61°
14
67°
47°
15
69°
41°
16
78°
51°
17
74°
59°
18
74°
53°
19
65°
41°
20
55°
43°
21
65°
49°
22
64°
40°
23
63°
38°
24
66°
39°
25
69°
40°
26
60°
53°
27
56°
54°
28
55°
53°
29
64°
52°
30
66°
56°
1
70°
57°
2
80°
60°
3
69°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gardner
Gardner's September 2026 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.