SEPTEMBER - SAINT LOUIS WEATHER CALENDAR
          SUN           RECORD TEMPS      NORMAL TEMPS   PRECIPITATION  RECORD PRECIP. 
       RISE  SET    HIGH YEAR  LOW  YEAR  HIGH LOW MEAN   MONTH   YEAR   AMOUNT  YEAR
  
  1    6:30  7:31   104  2011   49  1967    86  67  76     0.10  27.85    4.70   1931     
  2    6:31  7:30   101  2011   50  1967    85  66  76     0.21  27.96    1.56   1993
  3    6:32  7:28   101  2011   45  1974    85  66  75     0.31  28.06    0.74   1991
  4    6:33  7:27   104  1954   42  1974    85  66  75     0.41  28.16    3.20   1885
  5    6:34  7:25   103  1954   47  1974    84  65  75     0.52  28.27    1.89   1914
  6    6:34  7:24   102  1925   48  1962    84  65  74     0.62  28.37    2.81   1876
  7    6:35  7:22   101  1939   46  1956    84  64  74     0.73  28.48    2.52   1972
  8    6:36  7:20   101  1947   42  1986    83  64  74     0.83  28.58    2.87   1920
  9    6:37  7:19   101  1925   43  1883    83  64  73     0.93  28.68    2.05   1878
 10    6:38  7:17    98  2013   46  1976    83  63  73     1.03  28.78    2.89   1984
 11    6:39  7:16    98  2013   42  1940    82  63  73     1.13  28.88    1.28   1944
 12    6:40  7:14    98  1956   44  1940    82  62  72     1.24  28.99    2.10   1949
 13    6:41  7:13   100  1939   43  1975    81  62  72     1.34  29.09    4.61   1945
 14    6:42  7:11   101  1939   46  1996    81  61  71     1.44  29.19    4.58   2008
 15    6:42  7:09   101  1939   45  2007    81  61  71     1.55  29.30    2.05   1914
 16    6:43  7:08    98  1954   44  1966    80  61  70     1.65  29.40    2.78   1969
 17    6:44  7:06    97  1931   37  1937    80  60  70     1.75  29.50    2.25   1968
 18    6:45  7:05    97  1925   42  1973    79  60  69     1.85  29.60    1.04   2001
 19    6:46  7:03    96  1955   42  1938    79  59  69     1.95  29.70    1.82   1954
 20    6:47  7:01    96  1940   40  1875    78  59  69     2.06  29.81    1.40   1876
 21    6:48  7:00    97  1881   40  1983    78  58  68     2.16  29.91    1.78   1947
 22    6:49  6:58    95  1956   40  1995    78  58  68     2.27  30.02    1.77   1993
 23    6:49  6:57    94  1891   36  1974    77  57  67     2.37  30.12    1.23   1996
 24    6:50  6:55    94  1891   37  1942    77  57  67     2.49  30.24    2.57   1941
 25    6:51  6:53    92  1900   39  1942    76  56  66     2.60  30.35    1.36   1886
 26    6:52  6:52    94  1897   35  1940    76  56  66     2.71  30.46    2.26   1884
 27    6:53  6:50    91  1891   36  1940    75  56  66     2.82  30.57    1.28   1945
 28    6:54  6:49    97  1953   32  1942    75  55  65     2.93  30.68    3.73   1919
 29    6:55  6:47   102  1953   36  1942    75  55  65     3.03  30.78    1.64   1906
 30    6:56  6:46    93  1952   36  1949    74  54  64     3.13  30.88    2.35   1986

 
NOTE: The actual sunrise sunset times may vary by a minute or two from year to year.
Visit the Naval Observatory for more details.

...NORMALS FOR THE MONTH OF SEPTEMBER...

 TEMPERATURES           PRECIPITATION                    HEATING 

 HIGH  80.2         MONTH            3.13         MONTH             40 
 LOW   60.6         YEAR TO DATE    30.88         SEASON TO DATE    41 
 MEAN  70.4 
                                                         COOLING 
  
                                                  MONTH            202
                                                  YEAR TO DATE    1601

...EXTREMES FOR THE MONTH OF SEPTEMBER... 

 RECORD HIGH TEMP 104 IN 2011, 1984, AND 1954      
 RECORD LOW TEMP 32 IN 1942        
 LOWEST HIGH TEMP 50 IN 1876        
 HIGHEST LOW TEMP 83 IN 1899       
 HIGHEST MEAN TEMP 93 IN 2011      
 LOWEST MEAN TEMP 44 IN 1942       
 WARMEST SEPTEMBEER 77.4 IN 1897 
 COLDEST SEPTEMBER 62.3 IN 1974
 WETTEST SEPTEMBER 10.04 INCHES IN 1945 
 DRIEST SEPTEMBER TRACE IN 1979 AND 1940 
 MAXIMUM 24 HR RAINFALL 4.90 INCHES IN 1931
 HIGHEST WIND SPEED 70 MPH IN 1927
 HIGHEST PRESSURE 30.56 INCHES IN 1947 
 LOWEST PRESSURE 29.26 INCHES IN 1982
                                             

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