S
M
T
W
T
F
S
30
78°
49°
31
77°
48°
1
78°
51°
2
73°
50°
3
75°
52°
4
78°
47°
5
72°
47°
6
74°
51°
7
77°
50°
8
72°
49°
9
72°
46°
10
73°
49°
11
73°
42°
12
74°
43°
13
71°
44°
14
73°
47°
15
73°
46°
16
76°
43°
17
70°
40°
18
69°
42°
19
73°
43°
20
74°
42°
21
75°
41°
22
71°
42°
23
Hist. Avg.
72°
34°
24
Hist. Avg.
72°
34°
25
Hist. Avg.
71°
34°
26
Hist. Avg.
71°
33°
27
Hist. Avg.
71°
33°
28
Hist. Avg.
70°
32°
29
Hist. Avg.
70°
32°
30
Hist. Avg.
69°
32°
1
Hist. Avg.
69°
31°
2
Hist. Avg.
69°
31°
3
Hist. Avg.
68°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Gardner
Gardner's September 2026 forecast shows daily high temperatures ranging from 69° to 78°, with overnight lows between 40° and 52°. The average high for September is 74° with an average low of 46°. 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.
