S
M
T
W
T
F
S
30
81°
66°
31
73°
59°
1
N/A
2
76°
53°
3
78°
63°
4
83°
61°
5
77°
52°
6
79°
59°
7
80°
58°
8
77°
58°
9
71°
53°
10
69°
52°
11
72°
53°
12
73°
56°
13
71°
54°
14
68°
47°
15
69°
47°
16
68°
46°
17
69°
50°
18
71°
52°
19
71°
53°
20
70°
51°
21
70°
49°
22
69°
52°
23
72°
53°
24
71°
53°
25
69°
49°
26
67°
47°
27
68°
46°
28
68°
46°
29
67°
50°
30
68°
50°
1
68°
48°
2
67°
47°
3
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Frankfurt Airport
Frankfurt Airport's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 46° and 63°. The average high for September is 71° with an average low of 52°. 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 Frankfurt Airport. See also: October | November | December.
