Record Maxima for each date in September

1 35.0 1906
2 35.6 1906
3 34.2 1906
4 32.3 1940
5 32.8 1949
6 32.1 1911
7 33.4 1898
8 34.6 1911
9 32.2 1898
10 30.0 1891
11 32.2 1919
12 30.6 1911
13 28.4 1934
14 28.6 1900
15 28.9 1947
16 31.1 1947
17 31.9 1898
18 29.4 1926
19 32.2 1926
20 29.4 1926
21 27.8 2003
22 26.1 1901, 1956
23 28.3 1938
24 30.0 1895
25 30.6 1895
26 29.4 1895
27 30.6 1895
28 29.4 1895
29 27.8 1895
30 27.8 1908