National Weather Service United States Department of Commerce

Powerful Pacific System Impacting the West; First Significant Snow for Portions of the East

Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >

Tulsa, Oklahoma
September Climate Data (Page 1)

 

 

     |-----Normals 1991-2020------| |--------- Record Temperatures ---------|
     Temperature   Precipitation     Hi        Lo        Hi        Lo
Day  Mx/Mn  Mean  Day  Month  Year   Max  Year Max  Year Min  Year Min  Year   Day
 1   90/68   79  0.12  0.12  28.36  108  2000  69  1994 (82) 2011  48   1967  1
 2   89/68   79  0.13  0.25  28.49 (109) 1939  68  1974 (82) 1936  51   1974  2
 3   89/67   78  0.12  0.37  28.61 (109) 1939  70  1974 (82) 1995  47   1974  3
 4   89/67   78  0.12  0.49  28.73  107 *1998  66  1967  81  2012  46   1974  4
 5   88/67   78  0.12  0.61  28.85  107  1913  70  1962  79 *1985  49   1974  5

 6   88/66   77  0.12  0.73  28.97  107  1907  69  1962  80  1998  48   2011  6
 7   88/66   77  0.13  0.86  29.10  106 *1936  65  1986  79 *1985  49   2011  7
 8   88/66   77  0.13  0.99  29.23  103 *1925  66  1995  80  2016  50   1956  8
 9   87/65   76  0.13  1.12  29.36  102  1909  70  1941  76 *2014  51  *2011  9
10   87/65   76  0.13  1.25  29.49  105  1936  64  2020  77  2010  48  *1968  10

11   87/65   76  0.13  1.38  29.62  103  1909  67  2020  79  1936  45   1940  11
12   86/64   75  0.14  1.52  29.76  102  1930  62  2014  78  1936  48  *1959  12
13   86/64   75  0.15  1.67  29.91  103  1965  55  1989  78  1936  49   1960  13
14   85/64   74  0.13  1.80  30.04  103  1965  57  1989  78  1931  46   1961  14
15   85/63   74  0.13  1.93  30.17  103  1956  60  1949  79  1956  42   1993  15

16   85/63   74  0.13  2.06  30.30  103  1956  59  2011  77  1956  44   1993  16
17   84/62   73  0.13  2.19  30.43  104  1931  61  1971  79  1978  44   1981  17
18   84/62   73  0.13  2.32  30.56  100 *1952  56  1971  80  1978  42   1981  18
19   84/62   73  0.13  2.45  30.69  100 *1954  58  1971  79  1954  45  *1991  19
20   83/61   72  0.13  2.58  30.82  102  1954  64  1995  81  1910  39   1938  20

21   83/61   72  0.14  2.72  30.96   99  2022  57  1995  78  1980  38   1918  21
22   83/60   72  0.13  2.85  31.09   99  1921  58  1995  75  1931  37   1995  22
23   82/60   71  0.13  2.98  31.22  101  1931  60  1994  74* 2010  37   1995  23
24   82/60   71  0.13  3.11  31.35   99  1931  58  1974  76  1958  37   1989  24
25   82/59   70  0.12  3.23  31.47   99  1939  58  1913  76  2012  43   1926  25

26   81/59   70  0.13  3.36  31.60   96 *1938  48  1926  73 *1998  37   1912  26
27   81/58   70  0.13  3.49  31.73   96 *1954 (51) 1926  73 *2019 (35)  1942  27
28   80/58   69  0.12  3.61  31.85  102  1953  55 *1984  75  2019  38   1908  28
29   80/58   69  0.12  3.73  31.97   98  1953  55  1945  75  2019  37   1916  29
30   80/57   68  0.12  3.85  32.09   99  1979  59  1959  75  2019 (35)  1984  30

     * Indicates occurrences in previous years      ( ) Monthly Extremes
September Monthly Normals (1991-2020):

Normal Max Temperature:   84.8°F   Monthly Heating Degree Days:        17
Normal Min Temperature:   62.8°F   Season Total Heating Degree Days:   17
Normal Mean Temperature:  73.8°F   Monthly Cooling Degree Days:       281
Normal Monthly Rainfall:   3.85"   Season Total Cooling Degree Days: 2045
Normal Monthly Snowfall:   0.0"

September Monthly Records:

Warmest September:  81.9F in 1931          Wettest Month: 18.81" in 1971
Coolest September:  64.7F in 1974          Driest Month:   0.00" in 1897/1888
                                           Most Snowfall:  None
(Monthly temperature records are computed by adding all of the daily mean
 temperatures and then dividing by the number of days in the month.)

Updated: October 7, 2024