National Weather Service United States Department of Commerce
		SEPTEMBER - COLUMBIA WEATHER CALENDAR
          SUN           RECORD TEMPS      NORMAL TEMPS   PRECIPITATION  RECORD PRECIP. 
       RISE  SET    HIGH YEAR  LOW  YEAR  HIGH LOW MEAN   MONTH   YEAR   AMOUNT  YEAR
   
  1    6:38  7:39   102  1913   45  1967    85  64  74     0.14  29.50    4.50   2014
  2    6:38  7:38   100  1913   46  1893    85  63  74     0.27  29.63    6.61   1918
  3    6:39  7:36   103  1939   43  1974    84  63  74     0.40  29.76    2.50   1962
  4    6:40  7:35   103  1913   38  1891    84  63  73     0.53  29.89    2.31   2008
  5    6:41  7:33   103  1899   44  1891    84  62  73     0.66  30.02    0.98   1929
  6    6:42  7:32   103  1899   41  1988    83  62  73     0.79  30.15    1.34   1909
  7    6:43  7:30   102  1939   40  1956    83  62  72     0.92  30.28    1.79   1972
  8    6:44  7:28   103  1947   43  1986    83  61  72     1.06  30.42    2.85   2016
  9    6:45  7:27    99  1925   44  1943    83  61  72     1.19  30.55    2.11   2016
 10    6:46  7:25    99  1938   44  1976    82  61  71     1.32  30.68    1.79   1911
 11    6:47  7:24   100  1936   39  1940    82  60  71     1.45  30.81    1.69   1975
 12    6:47  7:22   100  1897   39  1902    82  60  71     1.59  30.95    2.43   1934
 13    6:48  7:21    99  1956   33  1902    81  59  70     1.72  31.08    3.40   1945
 14    6:49  7:19   104  1893   40  1892    81  59  70     1.85  31.21    1.99   2008
 15    6:50  7:17   101  1893   38  1904    80  59  70     1.98  31.34    3.84   1894
 16    6:51  7:16    99  1954   40  1916    80  58  69     2.10  31.46    5.98   1905
 17    6:52  7:14    98  1895   37  1903    80  58  69     2.21  31.57    2.42   1899
 18    6:53  7:12    98  1893   32  1901    79  57  68     2.33  31.69    1.73   1905
 19    6:54  7:11    98  2022   35  1991    79  57  68     2.45  31.81    4.25   1904
 20    6:55  7:09    98  2022   36  1991    79  57  68     2.57  31.93    1.72   1944
 21    6:55  7:08   100  1893   35  1983    78  56  67     2.70  32.06    3.57   1945
 22    6:56  7:06    97  1937   33  1995    78  56  67     2.83  32.19    2.23   1986
 23    6:57  7:04    94  2007   33  1896    78  55  67     2.95  32.31    2.72   1959
 24    6:58  7:03    95  1891   33  1989    77  55  66     3.08  32.44    2.35   1961
 25    6:59  7:01    94  1891   37  2001    77  55  66     3.21  32.57    1.22   1942
 26    7:00  7:00    96  1897   33  1893    76  54  65     3.34  32.70    2.23   1936
 27    7:01  6:58    93  1897   32  1889    76  54  65     3.47  32.83    1.99   1916
 28    7:02  6:56    99  1953   32  1889    76  53  65     3.59  32.95    2.47   1934
 29    7:03  6:55    99  1953   30  1889    75  53  64     3.71  33.07    1.50   1988
 30    7:04  6:53    95  1897   26  1895    75  53  64     3.83  33.19    1.85   1926

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  80.1         MONTH            3.83       MONTH             47 
 LOW   58.3         YEAR TO DATE    33.19       SEASON TO DATE    48 
 MEAN  69.2 
                                                       COOLING 
                                                
                                                MONTH            173
                                                YEAR TO DATE    1411

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

RECORD HIGH TEMP 104 IN 1893       
RECORD LOW TEMP 26 IN 1895       
LOWEST HIGH TEMP 45 IN 1942       
HIGHEST LOW TEMP 79 IN 1931
HIGHEST MEAN TEMP 89 IN 1939 AND 1913
LOWEST MEAN TEMP 43 IN 1942, 1926, AND 1899       
COOLEST SEPTEMBER 60.2 IN 1974       
WARMEST SEPTEMBER 75.8 IN 1897
WETTEST SEPTEMBER 13.34 INCHES IN 1945 
DRIEST SEPTEMBER 0.30 INCHES IN 1960 
MAXIMUM 24 HR RAINFALL 6.61 INCHES IN 1918
HIGHEST WIND SPEED 63 MPH IN 1952
HIGHEST PRESSURE 30.55 INCHES IN 2000 
LOWEST PRESSURE 29.42 INCHES IN 1959