NATIONAL WEATHER SERVICE - DENVER, COLORADO
TEMPERATURE NORMALS AND EXTREMES FOR SEPTEMBER
|NORMAL|RECORD| YEAR |RECORD| YEAR ||NORMAL|RECORD| YEAR |RECORD| YEAR |
DATE | HIGH | HIGH | SET | HIGH | SET || LOW | LOW | SET | LOW | SET |
| | | | MIN | || | | | MAX | |
-----|------|------|------|------|------||------|------|------|------|------|
1 | 84 | 97# | 1995 | 68 | 2011 || 54 | 44 | 1962 | 57 | 1972 |
2 | 84 | 95 | 1983^| 67 | 1939 || 54 | 40 | 1952 | 52 | 1974 |
3 | 83 | 95 | 1995 | 67 | 1947 || 53 | 33 | 1961 | 46 | 1961 |
4 | 83 | 97# | 1995^| 64 | 1995^|| 53 | 40 | 1968^| 52 | 1929 |
5 | 83 | 97# | 1899 | 66 | 1946 || 53 | 38 | 1962 | 51 | 1918 |
6 | 82 | 95 | 1959 | 66 | 1933 || 52 | 34 | 1929 | 45 | 1929 |
7 | 82 | 95 | 1933 | 63 | 1938^|| 52 | 34 | 1929 | 41 | 1929 |
8 | 82 | 94 | 1959 | 64 | 1940^|| 51 | 31 | 1962 | 42 | 1929 |
9 | 81 | 94 | 1994^| 63 | 1994^|| 51 | 31 | 1962 | 53 | 1989 |
10 | 81 | 93 | 1998^| 66 | 2005 || 51 | 35 | 1898 | 42 | 1898 |
11 | 81 | 92 | 1951 | 65 | 1939^|| 50 | 32 | 1898 | 41 | 1989 |
12 | 80 | 94 | 1911 | 64 | 1939^|| 50 | 31 | 1902 | 40 | 1989 |
13 | 80 | 96 | 1990^| 62 | 1927 || 49 | 33 | 1993 | 49 | 1961 |
14 | 79 | 92 | 1948 | 63 | 1895^|| 49 | 29 | 2003 | 43 | 1912 |
15 | 79 | 92 | 2000 | 61 | 1992^|| 49 | 32 | 1912^| 47 | 1903 |
16 | 79 | 95 | 2000 | 63 | 1926 || 48 | 30 | 1965 | 48 | 1971^|
17 | 78 | 95 | 2000 | 63 | 1925 || 48 | 30 | 1965 | 35 | 1971 |
18 | 78 | 93 | 1895 | 69 | 1947 || 47 | 23 | 1971 | 40 | 1971 |
19 | 77 | 96 | 2010 | 62 | 1947 || 47 | 20 | 1971 | 46 | 1965 |
20 | 77 | 94 | 2010 | 65 | 1941 || 47 | 28 | 1983 | 45 | 1965 |
21 | 76 | 88 | 1885 | 60 | 1926 || 46 | 27 | 1995^| 36 | 1995 |
22 | 76 | 89 | 1953 | 62 | 1884 || 46 | 27 | 1895 | 45 | 1941 |
23 | 75 | 90 | 1905^| 63 | 1934 || 45 | 29 | 1895 | 43 | 1965 |
24 | 75 | 89 | 1992 | 59 | 1949 || 45 | 29 | 2000^| 40 | 1913 |
25 | 75 | 91 | 1998 | 56 | 1981 || 44 | 25 | 1926 | 45 | 1934 |
26 | 74 | 90 | 2010^| 60 | 1948 || 44 | 28 | 1927 | 34 | 1927 |
27 | 74 | 92 | 1953 | 59 | 2001 || 44 | 21 | 1908 | 35 | 1936 |
28 | 73 | 92 | 2010 | 59 | 1931 || 43 | 21 | 1985 | 34 | 1984 |
29 | 73 | 92 | 1892 | 61 | 1981 || 43 | 17* | 1985 | 29 | 1985 |
30 | 72 | 90 | 1980 | 62 | 1891 || 42 | 25 | 1985 | 36 | 1959 |
The Normal High and Low Temperatures are calculated from 1981-2010 data.
The Temperature Extremes range from 1872-2012.
^ - Also in previous years.
# - Highest Temperature of the Month: 97 degrees on 9/1/1995, 9/4/1995,
9/4/1960 and 9/5/1899
* - Lowest Temperature of the Month: 17 degrees on 9/29/1985.
- The September Mean Temperature is 62.4 degrees (from 1971-2000 DIA data).
- Data collected at the Downtown City Office from 1872-December 1949, then
at the Stapleton Airport Office from January 1950-February 1995, then at
Denver International Airport from March 1995-Present.
UPDATED: 10/3/2012 - WFO BOU |
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