S
M
T
W
T
F
S
30
84°
58°
31
81°
59°
1
80°
62°
2
79°
63°
3
86°
63°
4
87°
62°
5
84°
61°
6
81°
58°
7
85°
61°
8
83°
56°
9
79°
54°
10
78°
55°
11
78°
55°
12
81°
53°
13
81°
60°
14
84°
54°
15
77°
53°
16
75°
54°
17
76°
53°
18
77°
57°
19
82°
51°
20
81°
54°
21
79°
56°
22
82°
50°
23
78°
50°
24
76°
49°
25
76°
50°
26
77°
56°
27
79°
55°
28
79°
56°
29
80°
49°
30
75°
49°
1
73°
54°
2
78°
54°
3
77°
51°
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 73° to 87°, with overnight lows between 49° and 63°. The average high for September is 80° 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.