S
M
T
W
T
F
S
30
83°
57°
31
85°
60°
1
87°
61°
2
87°
61°
3
86°
58°
4
81°
57°
5
82°
56°
6
81°
58°
7
80°
58°
8
81°
60°
9
79°
60°
10
79°
58°
11
80°
57°
12
80°
59°
13
81°
60°
14
78°
59°
15
80°
59°
16
82°
58°
17
81°
59°
18
82°
54°
19
81°
52°
20
77°
52°
21
76°
54°
22
76°
54°
23
80°
57°
24
80°
57°
25
Hist. Avg.
80°
59°
26
Hist. Avg.
79°
59°
27
Hist. Avg.
79°
59°
28
Hist. Avg.
79°
59°
29
Hist. Avg.
79°
59°
30
Hist. Avg.
79°
59°
1
Hist. Avg.
78°
58°
2
Hist. Avg.
78°
58°
3
Hist. Avg.
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Aix-en-Provence
Aix-en-Provence's September 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 52° and 61°. The average high for September is 81° with an average low of 58°. 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 Aix-en-Provence. See also: October | November | December.