S
M
T
W
T
F
S
30
81°
66°
31
77°
64°
1
78°
55°
2
78°
56°
3
80°
60°
4
87°
65°
5
82°
56°
6
84°
60°
7
83°
61°
8
83°
60°
9
81°
60°
10
80°
58°
11
76°
56°
12
75°
56°
13
72°
54°
14
71°
49°
15
72°
48°
16
72°
48°
17
71°
50°
18
73°
53°
19
73°
53°
20
72°
52°
21
72°
51°
22
71°
53°
23
74°
54°
24
72°
54°
25
71°
53°
26
69°
50°
27
70°
48°
28
70°
49°
29
69°
50°
30
70°
50°
1
70°
48°
2
69°
48°
3
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Speyer
Speyer's September 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 45° and 65°. The average high for September is 74° with an average low of 53°. 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 Speyer. See also: October | November | December.
