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 December 2020. For more information, please see Climatological Rankings.
Illinois
Average Temperature Rankings, September 1947
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1947 1-Month |
67.7°F (19.8°C) | 66.2°F (19.0°C) |
1.5°F (0.8°C) | 84th Coolest | Coolest since: 1946 | 1918 |
| 43rd Warmest | Warmest since: 1941 | 1925, 1933 | ||||
| Ties: 2004 | ||||||
|
Aug–Sep 1947 2-Month |
74.2°F (23.4°C) | 69.8°F (21.0°C) |
4.4°F (2.4°C) | 125th Coolest | Coolest since: 1946 | 1967 |
| 2nd Warmest | Warmest since: 1936 | 1936 | ||||
|
Jul–Sep 1947 3-Month |
73.6°F (23.1°C) | 71.7°F (22.1°C) |
1.9°F (1.0°C) | 106th Coolest | Coolest since: 1946 | 1967 |
| 21st Warmest | Warmest since: 1938 | 1936 | ||||
| Ties: 1916, 1925, 1938 | ||||||
|
Jun–Sep 1947 4-Month |
72.4°F (22.4°C) | 71.6°F (22.0°C) |
0.8°F (0.4°C) | 83rd Coolest | Coolest since: 1946 | 1915, 1924 |
| 44th Warmest | Warmest since: 1944 | 1936 | ||||
| Ties: 1973, 1986 | ||||||
|
May–Sep 1947 5-Month |
69.6°F (20.9°C) | 69.7°F (20.9°C) |
-0.1°F (0.0°C) | 53rd Coolest | Coolest since: 1946 | 1924 |
| 74th Warmest | Warmest since: 1944 | 1936 | ||||
| Ties: 1948, 1975 | ||||||
|
Apr–Sep 1947 6-Month |
66.5°F (19.2°C) | 66.7°F (19.3°C) |
-0.2°F (-0.1°C) | 46th Coolest | Coolest since: 1946 | 1907 |
| 81st Warmest | Warmest since: 1944 | 2010 | ||||
| Ties: 1897, 1912, 1969, 2004 | ||||||
|
Mar–Sep 1947 7-Month |
61.7°F (16.5°C) | 62.8°F (17.1°C) |
-1.1°F (-0.6°C) | 19th Coolest | Coolest since: 1928 | 1924 |
| 108th Warmest | Warmest since: 1946 | 2012 | ||||
| Ties: 1920, 1961, 1975, 1982 | ||||||
|
Feb–Sep 1947 8-Month |
56.9°F (13.8°C) | 58.7°F (14.8°C) |
-1.8°F (-1.0°C) | 15th Coolest | Coolest since: 1924 | 1904 |
| 112th Warmest | Warmest since: 1946 | 2012 | ||||
| Ties: 1951, 1989 | ||||||
|
Jan–Sep 1947 9-Month |
53.9°F (12.2°C) | 54.9°F (12.7°C) |
-1.0°F (-0.5°C) | 27th Coolest | Coolest since: 1940 | 1904, 1912 |
| 100th Warmest | Warmest since: 1946 | 2012 | ||||
| Ties: 1994 | ||||||
|
Dec 1946–Sep 1947 10-Month |
52.0°F (11.1°C) | 52.4°F (11.3°C) |
-0.4°F (-0.2°C) | 46th Coolest | Coolest since: 1945 | 1904 |
| 80th Warmest | Warmest since: 1946 | 2012 | ||||
| Ties: 1971, 1974, 2003 | ||||||
|
Nov 1946–Sep 1947 11-Month |
51.2°F (10.7°C) | 51.3°F (10.7°C) |
-0.1°F (0.0°C) | 54th Coolest | Coolest since: 1945 | 1904 |
| 72nd Warmest | Warmest since: 1946 | 2012 | ||||
| Ties: 1901, 1903, 1916, 1966, 1989 | ||||||
|
Oct 1946–Sep 1947 12-Month |
51.8°F (11.0°C) | 51.6°F (10.9°C) |
0.2°F (0.1°C) | 65th Coolest | Coolest since: 1945 | 1904 |
| 61st Warmest | Warmest since: 1946 | 2012 | ||||
| Ties: 1908, 1973, 2008 | ||||||
|
Apr 1946–Sep 1947 18-Month |
56.5°F (13.6°C) | 56.6°F (13.7°C) |
-0.1°F (-0.1°C) | 48th Coolest | Coolest since: 1946 | 1904, 1918 |
| 78th Warmest | Warmest since: 1945 | 2012 | ||||
| Ties: 1906, 1950, 1959, 2001 | ||||||
|
Oct 1945–Sep 1947 24-Month |
51.9°F (11.1°C) | 51.6°F (10.9°C) |
0.3°F (0.2°C) | 79th Coolest | Coolest since: 1946 | 1979 |
| 46th Warmest | Warmest since: 1943 | 2017 | ||||
| Ties: 1940, 1957, 1974, 1984, 1995 | ||||||
|
Oct 1944–Sep 1947 36-Month |
51.6°F (10.9°C) | 51.6°F (10.9°C) |
0.0°F (0.0°C) | 55th Coolest | Coolest since: 1945 | 1979 |
| 69th Warmest | Warmest since: 1946 | 2018 | ||||
| Ties: 1916, 1937, 1953, 1959, 1983, 1995, 1998 | ||||||
|
Oct 1943–Sep 1947 48-Month |
51.7°F (10.9°C) | 51.5°F (10.8°C) |
0.2°F (0.1°C) | 55th Coolest | Coolest since: 1946 | 1905 |
| 68th Warmest | Warmest since: 1945 | 2019 | ||||
| Ties: 1911, 1948, 1983, 1995 | ||||||
|
Oct 1942–Sep 1947 60-Month |
51.7°F (10.9°C) | 51.6°F (10.9°C) |
0.1°F (0.0°C) | 57th Coolest | Coolest since: 1931 | 1906 |
| 65th Warmest | Warmest since: 1946 | 2020 | ||||
| Ties: 1931, 1953, 1975, 1998 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 16, 2021 from https://www.ncdc.noaa.gov/cag/