S
M
T
W
T
F
S
30
94°
53°
31
93°
53°
1
89°
54°
2
89°
55°
3
92°
57°
4
95°
57°
5
94°
58°
6
96°
57°
7
96°
58°
8
95°
55°
9
93°
53°
10
88°
54°
11
87°
55°
12
90°
56°
13
91°
57°
14
94°
57°
15
93°
55°
16
86°
54°
17
85°
52°
18
84°
53°
19
91°
48°
20
86°
46°
21
83°
43°
22
Hist. Avg.
88°
46°
23
Hist. Avg.
87°
45°
24
Hist. Avg.
87°
45°
25
Hist. Avg.
86°
45°
26
Hist. Avg.
86°
44°
27
Hist. Avg.
85°
44°
28
Hist. Avg.
85°
44°
29
Hist. Avg.
84°
43°
30
Hist. Avg.
84°
43°
1
Hist. Avg.
84°
43°
2
Hist. Avg.
83°
42°
3
Hist. Avg.
83°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Zurich
Zurich's September 2026 forecast shows daily high temperatures ranging from 83° to 96°, with overnight lows between 43° and 58°. The average high for September is 91° 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 Zurich. See also: October | November | December.