S
M
T
W
T
F
S
30
90°
70°
31
90°
71°
1
86°
70°
2
88°
70°
3
81°
70°
4
88°
69°
5
87°
70°
6
88°
68°
7
80°
67°
8
81°
67°
9
82°
67°
10
80°
66°
11
81°
66°
12
80°
67°
13
79°
66°
14
82°
64°
15
82°
62°
16
83°
63°
17
81°
61°
18
80°
62°
19
81°
63°
20
76°
63°
21
77°
64°
22
78°
64°
23
77°
63°
24
76°
64°
25
76°
64°
26
77°
63°
27
75°
64°
28
75°
64°
29
76°
63°
30
74°
64°
1
74°
64°
2
75°
63°
3
75°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Berlin
Berlin's September 2026 forecast shows daily high temperatures ranging from 74° to 83°, with overnight lows between 61° and 67°. The average high for September is 78° with an average low of 64°. 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 Berlin. See also: October | November | December.
