S
M
T
W
T
F
S
30
77°
55°
31
76°
53°
1
74°
58°
2
75°
53°
3
75°
48°
4
73°
56°
5
74°
60°
6
81°
57°
7
83°
58°
8
82°
52°
9
80°
51°
10
73°
56°
11
73°
55°
12
71°
56°
13
73°
48°
14
Hist. Avg.
73°
53°
15
Hist. Avg.
72°
53°
16
Hist. Avg.
72°
52°
17
Hist. Avg.
72°
52°
18
Hist. Avg.
71°
51°
19
Hist. Avg.
71°
51°
20
Hist. Avg.
70°
50°
21
Hist. Avg.
70°
50°
22
Hist. Avg.
69°
49°
23
Hist. Avg.
69°
49°
24
Hist. Avg.
68°
48°
25
Hist. Avg.
68°
48°
26
Hist. Avg.
68°
48°
27
Hist. Avg.
67°
47°
28
Hist. Avg.
67°
47°
29
Hist. Avg.
66°
46°
30
Hist. Avg.
66°
46°
1
Hist. Avg.
66°
45°
2
Hist. Avg.
65°
45°
3
Hist. Avg.
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Harmony Grove
Harmony Grove's September 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 48° and 60°. The average high for September is 76° with an average low of 54°. 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 Harmony Grove. See also: October | November | December.
