S
M
T
W
T
F
S
30
82°
58°
31
82°
57°
1
80°
57°
2
80°
60°
3
81°
62°
4
81°
57°
5
83°
56°
6
81°
58°
7
80°
56°
8
81°
55°
9
80°
57°
10
79°
60°
11
82°
54°
12
78°
54°
13
78°
53°
14
79°
54°
15
80°
59°
16
82°
58°
17
82°
53°
18
77°
51°
19
76°
53°
20
76°
56°
21
77°
51°
22
76°
53°
23
80°
54°
24
79°
55°
25
80°
56°
26
79°
49°
27
79°
49°
28
73°
48°
29
72°
47°
30
72°
47°
1
Hist. Avg.
76°
54°
2
Hist. Avg.
76°
53°
3
Hist. Avg.
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Midlothian District
Midlothian District's September 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 47° and 62°. The average high for September is 79° with an average low of 55°. 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 Midlothian District. See also: October | November | December.