S
M
T
W
T
F
S
30
101°
75°
31
100°
75°
1
100°
75°
2
98°
75°
3
88°
73°
4
89°
72°
5
97°
73°
6
99°
74°
7
97°
74°
8
97°
74°
9
96°
74°
10
95°
69°
11
95°
71°
12
95°
71°
13
95°
73°
14
93°
70°
15
88°
65°
16
91°
69°
17
92°
70°
18
85°
67°
19
88°
69°
20
90°
69°
21
91°
68°
22
90°
68°
23
90°
69°
24
90°
68°
25
89°
67°
26
89°
65°
27
81°
58°
28
80°
59°
29
79°
58°
30
84°
61°
1
87°
64°
2
87°
60°
3
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Midlothian
Midlothian's September 2026 forecast shows daily high temperatures ranging from 78° to 99°, with overnight lows between 54° and 75°. The average high for September is 90° with an average low of 68°. 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. See also: October | November | December.
