S
M
T
W
T
F
S
30
81°
64°
31
86°
64°
1
85°
63°
2
82°
58°
3
80°
59°
4
79°
58°
5
78°
59°
6
78°
61°
7
80°
60°
8
81°
59°
9
82°
61°
10
83°
62°
11
83°
62°
12
82°
56°
13
76°
56°
14
77°
57°
15
81°
59°
16
79°
61°
17
77°
63°
18
75°
58°
19
78°
54°
20
74°
55°
21
73°
58°
22
76°
58°
23
79°
61°
24
79°
61°
25
78°
60°
26
79°
61°
27
78°
59°
28
76°
58°
29
72°
55°
30
72°
52°
1
71°
53°
2
70°
52°
3
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Montpellier
Montpellier's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 52° and 64°. The average high for September is 78° with an average low of 59°. 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 Montpellier. See also: October | November | December.
