S
M
T
W
T
F
S
30
79°
52°
31
76°
51°
1
74°
54°
2
74°
49°
3
75°
50°
4
74°
57°
5
74°
57°
6
81°
51°
7
77°
48°
8
72°
49°
9
72°
52°
10
71°
55°
11
72°
51°
12
72°
50°
13
77°
54°
14
70°
43°
15
69°
44°
16
Hist. Avg.
76°
52°
17
Hist. Avg.
76°
52°
18
Hist. Avg.
75°
51°
19
Hist. Avg.
75°
51°
20
Hist. Avg.
74°
50°
21
Hist. Avg.
74°
50°
22
Hist. Avg.
74°
49°
23
Hist. Avg.
73°
49°
24
Hist. Avg.
73°
48°
25
Hist. Avg.
72°
48°
26
Hist. Avg.
72°
47°
27
Hist. Avg.
71°
47°
28
Hist. Avg.
71°
46°
29
Hist. Avg.
70°
46°
30
Hist. Avg.
70°
46°
1
Hist. Avg.
69°
45°
2
Hist. Avg.
69°
45°
3
Hist. Avg.
68°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Garretson
Garretson's September 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 43° and 57°. The average high for September is 74° 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 Garretson. See also: October | November | December.
