St. Louis, MO September Weather Calendar

		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  66  76     0.10  29.77    4.70   1931     
  2    6:31  7:30   101  2011   50  1967    86  66  76     0.21  29.88    1.56   1993
  3    6:32  7:28   101  2011   45  1974    85  65  75     0.31  29.98    0.74   1991
  4    6:33  7:27   104  1954   42  1974    85  65  75     0.42  30.09    3.20   1885
  5    6:34  7:25   103  1954   47  1974    85  65  75     0.52  30.19    1.89   1914
  6    6:34  7:24   102  1925   48  1962    84  65  74     0.63  30.30    2.81   1876
  7    6:35  7:22   101  1939   46  1956    84  64  74     0.74  30.41    2.52   1972
  8    6:36  7:20   101  1947   42  1986    84  64  74     0.84  30.51    2.87   1920
  9    6:37  7:19   101  1925   43  1883    83  63  73     0.95  30.62    2.05   1878
 10    6:38  7:17    98  2013   46  1976    83  63  73     1.05  30.72    2.89   1984
 11    6:39  7:16    98  2013   42  1940    83  63  73     1.16  30.83    1.28   1944
 12    6:40  7:14    98  1956   44  1940    83  62  72     1.27  30.94    2.10   1949
 13    6:41  7:13   100  1939   43  1975    82  62  72     1.37  31.04    4.61   1945
 14    6:42  7:11   101  1939   46  1996    82  62  72     1.48  31.15    4.58   2008
 15    6:42  7:09   101  1939   45  2007    81  61  71     1.58  31.25    2.05   1914
 16    6:43  7:08    98  1954   44  1966    81  61  71     1.67  31.34    2.78   1969
 17    6:44  7:06    97  1931   37  1937    81  60  71     1.76  31.43    2.25   1968
 18    6:45  7:05    97  1925   42  1973    80  60  70     1.86  31.53    1.04   2001
 19    6:46  7:03    96  1955   42  1938    80  60  70     1.95  31.62    1.82   1954
 20    6:47  7:01    97  2022   40  1875    80  59  70     2.04  31.71    1.40   1876
 21    6:48  7:00    97  1881   40  1983    79  59  69     2.14  31.81    1.78   1947
 22    6:49  6:58    95  2017   40  1995    79  59  69     2.23  31.90    1.98   2024
 23    6:49  6:57    94  1891   36  1974    79  58  68     2.32  31.99    2.63   2024
 24    6:50  6:55    94  1891   37  1942    78  58  68     2.41  32.08    2.57   1941
 25    6:51  6:53    92  2017   39  1942    78  57  68     2.50  32.17    1.36   1886
 26    6:52  6:52    94  1897   35  1940    77  57  67     2.60  32.27    2.26   1884
 27    6:53  6:50    92  2021   36  1940    77  57  67     2.69  32.36    1.62   2023
 28    6:54  6:49    97  1953   32  1942    77  56  66     2.79  32.46    3.73   1919
 29    6:55  6:47   102  1953   36  1942    76  56  66     2.87  32.54    1.64   1906
 30    6:56  6:46    93  1952   36  1949    76  55  66     2.96  32.63    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  81.1         MONTH            2.96         MONTH             32 
 LOW   60.9         YEAR TO DATE    32.63         SEASON TO DATE    33 
 MEAN  71.0 
                                                         COOLING 
  
                                                  MONTH            212
                                                  YEAR TO DATE    1662

...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 SEPTEMBER 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