St. Louis, Missouri September-April Average Temperature
Degrees Fahrenheit
1939-1990
-99
193904
49.2
2.0
194004
45.5
-1.7
194104
47.7
0.5
194204
49.2
2.0
194304
46.7
-0.5
194404
45.8
-1.4
194504
47.6
0.4
194604
49.1
1.9
194704
47.1
-0.1
194804
47.5
0.3
194904
47.6
0.4
195004
47.7
0.5
195104
45.3
-1.9
195204
46.8
-0.4
195304
48.0
0.8
195404
50.4
3.2
195504
49.5
2.3
195604
46.8
-0.4
195704
48.6
1.4
195804
45.2
-2.0
195904
47.1
-0.1
196004
45.7
-1.5
196104
47.7
0.5
196204
46.6
-0.6
196304
46.6
-0.6
196404
48.2
1.0
196504
46.7
-0.5
196604
48.0
0.8
196704
48.4
1.2
196804
46.6
-0.6
196904
46.3
-0.9
197004
45.8
-1.4
197104
47.1
-0.1
197204
49.7
2.5
197304
47.1
-0.1
197404
49.0
1.8
197504
46.0
-1.2
197604
49.6
2.4
197704
44.4
-2.8
197804
43.4
-3.8
197904
44.5
-2.7
198004
46.1
-1.1
198104
48.7
1.5
198204
44.6
-2.6
198304
47.9
0.7
198404
45.5
-1.7
198504
47.8
0.6
198604
48.7
1.5
198704
48.5
1.3
198804
47.3
0.1
198904
47.5
0.3
199004
48.5
1.3