S
M
T
W
T
F
S
30
74°
53°
31
73°
54°
1
73°
55°
2
74°
55°
3
72°
56°
4
72°
53°
5
73°
55°
6
71°
55°
7
71°
53°
8
72°
57°
9
71°
57°
10
72°
58°
11
77°
56°
12
71°
52°
13
71°
49°
14
70°
50°
15
74°
51°
16
72°
52°
17
73°
56°
18
Hist. Avg.
71°
52°
19
Hist. Avg.
71°
51°
20
Hist. Avg.
70°
51°
21
Hist. Avg.
70°
51°
22
Hist. Avg.
70°
51°
23
Hist. Avg.
70°
51°
24
Hist. Avg.
69°
51°
25
Hist. Avg.
69°
51°
26
Hist. Avg.
69°
51°
27
Hist. Avg.
68°
50°
28
Hist. Avg.
68°
50°
29
Hist. Avg.
68°
50°
30
Hist. Avg.
67°
50°
1
Hist. Avg.
67°
50°
2
Hist. Avg.
67°
50°
3
Hist. Avg.
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Poitiers
Poitiers's September 2026 forecast shows daily high temperatures ranging from 70° to 77°, with overnight lows between 49° and 58°. The average high for September is 72° with an average low of 54°. 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 Poitiers. See also: October | November | December.
