S
M
T
W
T
F
S
30
87°
59°
31
82°
57°
1
81°
57°
2
81°
58°
3
82°
59°
4
84°
63°
5
87°
62°
6
83°
62°
7
84°
57°
8
80°
56°
9
80°
55°
10
81°
54°
11
79°
55°
12
79°
54°
13
78°
53°
14
77°
56°
15
78°
57°
16
79°
55°
17
80°
54°
18
80°
53°
19
82°
57°
20
Hist. Avg.
79°
53°
21
Hist. Avg.
78°
53°
22
Hist. Avg.
78°
52°
23
Hist. Avg.
78°
52°
24
Hist. Avg.
77°
52°
25
Hist. Avg.
77°
51°
26
Hist. Avg.
76°
51°
27
Hist. Avg.
76°
50°
28
Hist. Avg.
76°
50°
29
Hist. Avg.
75°
49°
30
Hist. Avg.
75°
49°
1
Hist. Avg.
74°
49°
2
Hist. Avg.
74°
48°
3
Hist. Avg.
74°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sparta
Sparta's September 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 53° and 63°. The average high for September is 81° with an average low of 57°. 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 Sparta. See also: October | November | December.
