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 1975
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1975 1-Month |
61.8°F (16.6°C) | 66.2°F (19.0°C) |
-4.4°F (-2.4°C) | 7th Coolest | Coolest since: 1974 | 1918 |
| 120th Warmest | Warmest since: 1973 | 1925, 1933 | ||||
|
Aug–Sep 1975 2-Month |
68.2°F (20.1°C) | 69.8°F (21.0°C) |
-1.6°F (-0.9°C) | 20th Coolest | Coolest since: 1974 | 1967 |
| 107th Warmest | Warmest since: 1973 | 1936 | ||||
| Ties: 1896, 1903, 1929, 1962, 1981, 1993 | ||||||
|
Jul–Sep 1975 3-Month |
70.1°F (21.2°C) | 71.7°F (22.1°C) |
-1.6°F (-0.9°C) | 18th Coolest | Coolest since: 1974 | 1967 |
| 109th Warmest | Warmest since: 1973 | 1936 | ||||
| Ties: 1996 | ||||||
|
Jun–Sep 1975 4-Month |
70.7°F (21.5°C) | 71.7°F (22.1°C) |
-1.0°F (-0.6°C) | 33rd Coolest | Coolest since: 1974 | 1915, 1924 |
| 94th Warmest | Warmest since: 1973 | 1936 | ||||
| Ties: 1910 | ||||||
|
May–Sep 1975 5-Month |
69.6°F (20.9°C) | 69.8°F (21.0°C) |
-0.2°F (-0.1°C) | 53rd Coolest | Coolest since: 1974 | 1924 |
| 74th Warmest | Warmest since: 1973 | 1936 | ||||
| Ties: 1947, 1948 | ||||||
|
Apr–Sep 1975 6-Month |
66.0°F (18.9°C) | 66.7°F (19.3°C) |
-0.7°F (-0.4°C) | 33rd Coolest | Coolest since: 1974 | 1907 |
| 94th Warmest | Warmest since: 1973 | 2010 | ||||
| Ties: 1946, 1984, 1990, 1993 | ||||||
|
Mar–Sep 1975 7-Month |
61.7°F (16.5°C) | 62.9°F (17.2°C) |
-1.2°F (-0.7°C) | 19th Coolest | Coolest since: 1967 | 1924 |
| 108th Warmest | Warmest since: 1974 | 2012 | ||||
| Ties: 1920, 1947, 1961, 1982 | ||||||
|
Feb–Sep 1975 8-Month |
57.5°F (14.2°C) | 58.6°F (14.8°C) |
-1.1°F (-0.6°C) | 22nd Coolest | Coolest since: 1967 | 1904 |
| 105th Warmest | Warmest since: 1974 | 2012 | ||||
| Ties: 1920, 1993 | ||||||
|
Jan–Sep 1975 9-Month |
54.4°F (12.4°C) | 55.0°F (12.8°C) |
-0.6°F (-0.4°C) | 45th Coolest | Coolest since: 1972 | 1904, 1912 |
| 82nd Warmest | Warmest since: 1974 | 2012 | ||||
| Ties: 1961, 1968 | ||||||
|
Dec 1974–Sep 1975 10-Month |
52.1°F (11.2°C) | 52.4°F (11.3°C) |
-0.3°F (-0.1°C) | 50th Coolest | Coolest since: 1974 | 1904 |
| 76th Warmest | Warmest since: 1973 | 2012 | ||||
| Ties: 1968, 1989 | ||||||
|
Nov 1974–Sep 1975 11-Month |
51.1°F (10.6°C) | 51.3°F (10.7°C) |
-0.2°F (-0.1°C) | 50th Coolest | Coolest since: 1971 | 1904 |
| 76th Warmest | Warmest since: 1974 | 2012 | ||||
| Ties: 1923, 1937, 1943 | ||||||
|
Oct 1974–Sep 1975 12-Month |
51.3°F (10.7°C) | 51.6°F (10.9°C) |
-0.3°F (-0.2°C) | 44th Coolest | Coolest since: 1971 | 1904 |
| 82nd Warmest | Warmest since: 1974 | 2012 | ||||
| Ties: 1897, 1928, 1936, 1937, 1956, 2001 | ||||||
|
Apr 1974–Sep 1975 18-Month |
56.0°F (13.3°C) | 56.6°F (13.7°C) |
-0.6°F (-0.4°C) | 31st Coolest | Coolest since: 1970 | 1904, 1918 |
| 95th Warmest | Warmest since: 1974 | 2012 | ||||
| Ties: 1926, 1936, 1963, 1969 | ||||||
|
Oct 1973–Sep 1975 24-Month |
51.6°F (10.9°C) | 51.6°F (10.9°C) |
0.0°F (0.0°C) | 51st Coolest | Coolest since: 1971 | 1979 |
| 74th Warmest | Warmest since: 1974 | 2017 | ||||
| Ties: 1945, 1946, 1964, 1977, 1983, 1990, 1996 | ||||||
|
Oct 1972–Sep 1975 36-Month |
51.7°F (10.9°C) | 51.6°F (10.9°C) |
0.1°F (0.0°C) | 67th Coolest | Coolest since: 1972 | 1979 |
| 57th Warmest | Warmest since: 1974 | 2018 | ||||
| Ties: 1898, 1911, 1946, 1966 | ||||||
|
Oct 1971–Sep 1975 48-Month |
51.9°F (11.1°C) | 51.6°F (10.9°C) |
0.3°F (0.2°C) | 73rd Coolest | Coolest since: 1974 | 1905 |
| 50th Warmest | Warmest since: 1957 | 2019 | ||||
| Ties: 1921, 1937, 1938, 1943, 1994, 2016 | ||||||
|
Oct 1970–Sep 1975 60-Month |
51.7°F (10.9°C) | 51.6°F (10.9°C) |
0.1°F (0.0°C) | 57th Coolest | Coolest since: 1974 | 1906 |
| 65th Warmest | Warmest since: 1959 | 2020 | ||||
| Ties: 1931, 1947, 1953, 1998 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 25, 2021 from https://www.ncdc.noaa.gov/cag/