S
M
T
W
T
F
S
30
66°
52°
31
73°
53°
1
73°
53°
2
72°
52°
3
73°
43°
4
66°
43°
5
66°
44°
6
65°
43°
7
63°
45°
8
64°
46°
9
62°
46°
10
63°
49°
11
63°
50°
12
63°
46°
13
Hist. Avg.
65°
48°
14
Hist. Avg.
65°
48°
15
Hist. Avg.
65°
48°
16
Hist. Avg.
64°
48°
17
Hist. Avg.
64°
47°
18
Hist. Avg.
64°
47°
19
Hist. Avg.
63°
47°
20
Hist. Avg.
63°
47°
21
Hist. Avg.
63°
47°
22
Hist. Avg.
62°
46°
23
Hist. Avg.
62°
46°
24
Hist. Avg.
62°
46°
25
Hist. Avg.
61°
46°
26
Hist. Avg.
61°
46°
27
Hist. Avg.
61°
45°
28
Hist. Avg.
60°
45°
29
Hist. Avg.
60°
45°
30
Hist. Avg.
60°
45°
1
Hist. Avg.
59°
44°
2
Hist. Avg.
59°
44°
3
Hist. Avg.
59°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bärnau
Bärnau's September 2026 forecast shows daily high temperatures ranging from 62° to 73°, with overnight lows between 43° and 53°. The average high for September is 67° with an average low of 48°. 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 Bärnau. See also: October | November | December.