S
M
T
W
T
F
S
30
80°
50°
31
76°
48°
1
73°
51°
2
73°
49°
3
74°
49°
4
75°
48°
5
72°
49°
6
72°
53°
7
73°
51°
8
73°
48°
9
74°
47°
10
72°
48°
11
70°
47°
12
70°
49°
13
71°
48°
14
72°
46°
15
74°
52°
16
78°
49°
17
77°
50°
18
77°
48°
19
69°
49°
20
78°
51°
21
68°
41°
22
67°
41°
23
Hist. Avg.
71°
50°
24
Hist. Avg.
71°
50°
25
Hist. Avg.
70°
50°
26
Hist. Avg.
70°
49°
27
Hist. Avg.
69°
49°
28
Hist. Avg.
69°
48°
29
Hist. Avg.
68°
48°
30
Hist. Avg.
68°
48°
1
Hist. Avg.
68°
47°
2
Hist. Avg.
67°
47°
3
Hist. Avg.
67°
46°
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 67° to 80°, with overnight lows between 41° and 53°. The average high for September is 73° with an average low of 48°. 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.
