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Montgomery County, IL

: September 2026 so far averaged 76.4°F in Montgomery County, IL, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

The month

Days of the month without a value
0

Every year on this date

Every 29 September high of the county average in Montgomery County, IL since 1951: 81.4°F in 2026; the highest is 97.6°F, in 1953.
1967: 57.1°F1984: 59.4°F2003: 60.8°F1951: 62.8°F, 2016: 63.1°F2001: 63.6°F2006: 63.7°F2022: 65.2°F2020: 66.2°F1974: 67.3°F, 1992: 66.7°F, 2009: 66.5°F1958: 67.7°F, 1993: 67.8°F1964: 68.9°F, 1966: 69.4°F, 1976: 69.4°F, 1996: 69.3°F1961: 70.3°F, 1962: 69.7°F, 1975: 70.2°F, 1981: 70.2°F1957: 71.1°F1978: 71.7°F, 2004: 72.4°F, 2012: 71.6°F1970: 73.1°F, 1977: 73.4°F, 1994: 72.7°F, 2000: 72.5°F, 2011: 72.7°F1997: 73.6°F1969: 74.8°F, 1989: 74.8°F, 2010: 75°F, 2017: 74.6°F, 2018: 75°F1980: 75.8°F, 1985: 75.6°F, 2024: 76.3°F1965: 77.8°F, 1968: 77.5°F, 2005: 78.3°F1959: 79°F, 1960: 78.5°F, 1963: 78.5°F, 1982: 79°F, 1990: 79°F, 1991: 79.3°F1973: 80°F, 1987: 79.7°F, 1995: 80.1°F, 2023: 80.4°F1972: 81°F, 2026: 81.4°F1988: 81.9°F, 1999: 82.1°F, 2002: 81.8°F, 2008: 81.7°F, 2015: 82.3°F1956: 83.4°F1954: 84.1°F, 1998: 84.1°F, 2007: 83.7°F1979: 84.3°F, 2013: 84.2°F1955: 84.8°F, 1983: 85°F, 2014: 85.1°F2019: 85.7°F1971: 89.2°F, 2021: 88.5°F, 2025: 89°F1952: 89.5°F, 1986: 90°F1953: 97.6°F1953: 97.6°F2026: 81.4°F 2026 81.4°F 1953 97.6°F 57.1°F 97.6°F Normal range
Every 29 September low of the county average in Montgomery County, IL since 1951: 48.5°F in 2026; the lowest is 36.3°F, in 1951.
1951: 36.3°F2003: 37.4°F1962: 38.1°F, 1967: 38.4°F, 1992: 37.5°F1957: 38.5°F1984: 39.7°F, 1993: 40.4°F, 2022: 39.7°F1989: 41.2°F1958: 42.2°F, 1961: 42.1°F, 1964: 41.9°F, 2004: 41.8°F, 2006: 42.1°F1996: 43.3°F, 2001: 43.3°F2005: 43.7°F1978: 44.6°F, 1994: 44.9°F1985: 46.2°F, 2000: 45.6°F, 2017: 45.8°F, 2020: 46.1°F1970: 47.1°F, 1974: 47.3°F, 1975: 47.4°F, 1980: 46.7°F, 1981: 46.8°F, 2009: 46.9°F, 2012: 47.1°F, 2018: 47°F1956: 47.6°F, 1969: 48.4°F, 2010: 47.7°F1963: 49.4°F, 1966: 48.7°F, 1976: 49.3°F, 1977: 48.6°F, 1995: 49.3°F, 2026: 48.5°F1960: 49.6°F, 1968: 50.4°F, 1991: 50.2°F, 2007: 50.1°F, 2011: 49.9°F1965: 51.6°F, 1983: 51.7°F, 1997: 52°F, 1999: 51.7°F, 2016: 51.7°F1952: 53°F, 2002: 52.8°F, 2014: 53.2°F1982: 54.9°F, 2013: 55.2°F, 2025: 54.9°F2008: 55.9°F1972: 56.6°F, 1990: 57.2°F, 2023: 56.6°F1953: 57.9°F, 1987: 57.7°F, 1988: 57.5°F1955: 59.1°F, 1959: 58.6°F, 1979: 59°F, 2021: 58.6°F1998: 60.7°F2015: 62.3°F64°F: 20241954: 65.2°F, 1973: 65.2°F2019: 65.8°F1971: 69.2°F1986: 70.1°F1951: 36.3°F2026: 48.5°F 2026 48.5°F 1951 36.3°F 36.3°F 70.1°F Normal range
Every year as a table
YearHigh, °FLow, °F
202681.448.5
20258954.9
202476.364
202380.456.6
202265.239.7
202188.558.6
202066.246.1
201985.765.8
20187547
201774.645.8
201663.151.7
201582.362.3
201485.153.2
201384.255.2
201271.647.1
201172.749.9
20107547.7
200966.546.9
200881.755.9
200783.750.1
200663.742.1
200578.343.7
200472.441.8
200360.837.4
200281.852.8
200163.643.3
200072.545.6
199982.151.7
199884.160.7
199773.652
199669.343.3
199580.149.3
199472.744.9
199367.840.4
199266.737.5
199179.350.2
19907957.2
198974.841.2
198881.957.5
198779.757.7
19869070.1
198575.646.2
198459.439.7
19838551.7
19827954.9
198170.246.8
198075.846.7
197984.359
197871.744.6
197773.448.6
197669.449.3
197570.247.4
197467.347.3
19738065.2
19728156.6
197189.269.2
197073.147.1
196974.848.4
196877.550.4
196757.138.4
196669.448.7
196577.851.6
196468.941.9
196378.549.4
196269.738.1
196170.342.1
196078.549.6
19597958.6
195867.742.2
195771.138.5
195683.447.6
195584.859.1
195484.165.2
195397.657.9
195289.553
195162.836.3

Nearby

Springfield, IL 44.0 mi, the nearest city with its own station