S
M
T
W
T
F
S
30
75°
63°
31
81°
61°
1
81°
59°
2
82°
57°
3
88°
55°
4
97°
61°
5
90°
64°
6
95°
72°
7
86°
66°
8
77°
63°
9
73°
55°
10
79°
50°
11
79°
52°
12
82°
63°
13
88°
59°
14
93°
59°
15
93°
61°
16
75°
57°
17
75°
52°
18
73°
55°
19
81°
48°
20
82°
55°
21
86°
57°
22
86°
57°
23
90°
52°
24
93°
55°
25
82°
59°
26
81°
64°
27
88°
59°
28
84°
68°
29
86°
66°
30
81°
61°
1
72°
61°
2
77°
57°
3
79°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bordeaux
Bordeaux's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Bordeaux. See also: October | November | December.