Climate at a Glance
Statewide Rankings
Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of May 2022. For more information, please see Climatological Rankings.
Colorado
Average Temperature Rankings, September 1999
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1999 1-Month |
55.4°F (13.0°C) | 57.3°F (14.1°C) |
-1.9°F (-1.1°C) | 18th Coolest | Coolest since: 1993 | 1912 |
| 110th Warmest | Warmest since: 1998 | 2019 | ||||
| Ties: 1916, 1934 | ||||||
|
Aug–Sep 1999 2-Month |
60.4°F (15.8°C) | 61.2°F (16.2°C) |
-0.8°F (-0.4°C) | 28th Coolest | Coolest since: 1993 | 1912 |
| 100th Warmest | Warmest since: 1998 | 2019 | ||||
| Ties: 1925, 1973, 1986, 1987, 2004 | ||||||
|
Jul–Sep 1999 3-Month |
63.1°F (17.3°C) | 63.2°F (17.3°C) |
-0.1°F (0.0°C) | 54th Coolest | Coolest since: 1993 | 1912 |
| 74th Warmest | Warmest since: 1998 | 2019 | ||||
| Ties: 1896, 1944, 1949, 1951, 1956, 2009 | ||||||
|
Jun–Sep 1999 4-Month |
62.4°F (16.9°C) | 62.7°F (17.1°C) |
-0.3°F (-0.2°C) | 40th Coolest | Coolest since: 1993 | 1912 |
| 88th Warmest | Warmest since: 1998 | 2012, 2021 | ||||
| Ties: 1944, 1976, 1982 | ||||||
|
May–Sep 1999 5-Month |
60.0°F (15.6°C) | 60.5°F (15.8°C) |
-0.5°F (-0.2°C) | 35th Coolest | Coolest since: 1995 | 1915 |
| 93rd Warmest | Warmest since: 1998 | 2018 | ||||
| Ties: 1898, 1982 | ||||||
|
Apr–Sep 1999 6-Month |
56.7°F (13.7°C) | 57.5°F (14.2°C) |
-0.8°F (-0.5°C) | 26th Coolest | Coolest since: 1995 | 1912 |
| 102nd Warmest | Warmest since: 1998 | 2012 | ||||
| Ties: 1918, 1927, 1941, 1944, 1961, 1971, 1983, 1993 | ||||||
|
Mar–Sep 1999 7-Month |
54.2°F (12.3°C) | 54.1°F (12.3°C) |
0.1°F (0.0°C) | 55th Coolest | Coolest since: 1995 | 1912 |
| 73rd Warmest | Warmest since: 1998 | 2012 | ||||
| Ties: 1922, 1930, 1947, 1959, 2008 | ||||||
|
Feb–Sep 1999 8-Month |
51.6°F (10.9°C) | 50.8°F (10.4°C) |
0.8°F (0.5°C) | 87th Coolest | Coolest since: 1997 | 1912 |
| 41st Warmest | Warmest since: 1998 | 2012 | ||||
| Ties: 1988, 1989, 2019 | ||||||
|
Jan–Sep 1999 9-Month |
49.2°F (9.6°C) | 47.8°F (8.8°C) |
1.4°F (0.8°C) | 105th Coolest | Coolest since: 1997 | 1912 |
| 23rd Warmest | Warmest since: 1998 | 2012 | ||||
| Ties: 1943, 2009 | ||||||
|
Dec 1998–Sep 1999 10-Month |
46.9°F (8.3°C) | 45.5°F (7.5°C) |
1.4°F (0.8°C) | 100th Coolest | Coolest since: 1998 | 1912 |
| 27th Warmest | Warmest since: 1996 | 1934 | ||||
| Ties: 1977 | ||||||
|
Nov 1998–Sep 1999 11-Month |
46.1°F (7.8°C) | 44.5°F (6.9°C) |
1.6°F (0.9°C) | 109th Coolest | Coolest since: 1998 | 1912 |
| 18th Warmest | Warmest since: 1996 | 2018 | ||||
| Ties: 1943, 1963, 1994, 2009 | ||||||
|
Oct 1998–Sep 1999 12-Month |
46.1°F (7.8°C) | 44.6°F (7.0°C) |
1.5°F (0.8°C) | 107th Coolest | Coolest since: 1998 | 1912 |
| 20th Warmest | Warmest since: 1996 | 1934, 2000 | ||||
| Ties: 1911, 1943, 2007, 2011 | ||||||
|
Apr 1998–Sep 1999 18-Month |
50.3°F (10.2°C) | 48.9°F (9.4°C) |
1.4°F (0.8°C) | 104th Coolest | Coolest since: 1998 | 1917 |
| 23rd Warmest | Warmest since: 1981 | 2018 | ||||
| Ties: 1978, 2005 | ||||||
|
Oct 1997–Sep 1999 24-Month |
45.8°F (7.7°C) | 44.5°F (6.9°C) |
1.3°F (0.8°C) | 103rd Coolest | Coolest since: 1998 | 1913 |
| 23rd Warmest | Warmest since: 1982 | 2018 | ||||
|
Oct 1996–Sep 1999 36-Month |
45.7°F (7.6°C) | 44.6°F (7.0°C) |
1.1°F (0.6°C) | 102nd Coolest | Coolest since: 1998 | 1914 |
| 23rd Warmest | Warmest since: 1998 | 2018 | ||||
| Ties: 1998, 2009, 2011 | ||||||
|
Oct 1995–Sep 1999 48-Month |
45.8°F (7.7°C) | 44.6°F (7.0°C) |
1.2°F (0.7°C) | 102nd Coolest | Coolest since: 1998 | 1915 |
| 22nd Warmest | Warmest since: 1937 | 2018 | ||||
| Ties: 1936 | ||||||
|
Oct 1994–Sep 1999 60-Month |
45.7°F (7.6°C) | 44.6°F (7.0°C) |
1.1°F (0.6°C) | 100th Coolest | Coolest since: 1998 | 1916 |
| 23rd Warmest | Warmest since: 1938 | 2018 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on July 6, 2022 from https://www.ncei.noaa.gov/cag/