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Williamson County, TX

: September 2026 so far averaged 85.9°F in Williamson County, TX, 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 Williamson County, TX since 1951: 96.7°F in 2026; the highest is 101.7°F, in 2005.
1984: 63.5°F1967: 70.6°F, 1976: 71.2°F1964: 73.6°F1970: 74.7°F, 1985: 75°F, 1996: 74.7°F1958: 79.3°F, 2020: 79.1°F1951: 79.8°F, 1957: 79.8°F, 1991: 79.9°F1973: 80.5°F1974: 81.2°F, 1978: 81.1°F, 2001: 81.2°F1992: 81.9°F, 2017: 81.5°F1962: 83°F, 1966: 83.3°F, 1968: 83°F, 1980: 83.2°F, 2018: 83.4°F1965: 84.4°F, 1989: 83.6°F, 2000: 83.5°F, 2010: 84.3°F1960: 84.7°F, 1975: 84.8°F, 1983: 84.9°F, 2003: 84.9°F1963: 85.5°F, 2006: 86.4°F, 2014: 86.3°F1987: 87.2°F, 2004: 87.3°F, 2012: 87°F, 2016: 86.7°F1961: 88°F, 2009: 87.5°F, 2013: 88.1°F, 2015: 87.7°F1952: 88.6°F, 1971: 89.2°F, 1986: 88.6°F, 1990: 88.7°F, 1993: 88.6°F, 2008: 88.5°F1981: 90.2°F, 1995: 90.4°F, 2002: 90.4°F, 2007: 89.8°F, 2022: 89.6°F, 2025: 89.7°F1959: 91.1°F, 1972: 91.4°F, 1982: 91°F1955: 91.7°F, 1969: 91.5°F, 2024: 91.7°F1979: 93°F, 1988: 92.7°F, 1994: 93.3°F, 1997: 92.9°F, 1999: 93°F, 2019: 93.4°F1954: 94.2°F, 1956: 93.7°F, 1998: 94°F, 2021: 93.8°F, 2023: 93.6°F1977: 97°F, 2026: 96.7°F1953: 99.4°F2011: 100.1°F2005: 101.7°F2005: 101.7°F2026: 96.7°F 2026 96.7°F 63.5°F 101.7°F Normal range
Every 29 September low of the county average in Williamson County, TX since 1951: 72.1°F in 2026; the lowest is 44.1°F, in 1967.
1967: 44.1°F1996: 46.9°F1974: 48.1°F1991: 49.2°F, 2020: 48.7°F1989: 51°F, 2000: 50.6°F1984: 51.8°F, 2001: 51.5°F, 2010: 51.7°F1993: 53.3°F1973: 53.6°F1970: 54.6°F, 2008: 55.3°F1957: 56.4°F, 1960: 56.1°F, 1968: 55.5°F, 1992: 55.8°F1952: 56.8°F, 1958: 56.6°F, 1975: 57.1°F, 1978: 57.1°F, 2003: 56.5°F, 2022: 57.2°F1962: 58.2°F, 1965: 58°F, 1976: 58.1°F, 2006: 58.3°F1963: 59.1°F, 1983: 59°F, 1994: 59.1°F, 2004: 59.4°F, 2016: 58.8°F1956: 60.4°F, 1964: 59.8°F, 1969: 60.2°F, 1999: 60°F, 2009: 59.5°F, 2024: 59.6°F1966: 61.4°F, 2002: 60.9°F, 2025: 60.7°F1951: 62.4°F, 1990: 62.2°F, 2018: 62.1°F1953: 62.6°F, 1979: 62.6°F, 1981: 63.2°F1985: 63.5°F, 1997: 63.6°F, 2011: 64°F, 2014: 63.5°F1959: 65°F, 1961: 64.9°F, 1980: 64.5°F, 1995: 64.6°F, 2015: 65.4°F1988: 65.8°F, 2007: 66°F, 2013: 65.7°F2021: 66.8°F1982: 68.3°F, 1987: 67.7°F1971: 69°F, 2005: 68.6°F, 2017: 69.3°F2012: 69.7°F, 2023: 69.7°F1972: 70.5°F1998: 71.7°F, 2026: 72.1°F1955: 73.3°F, 1986: 73.1°F1977: 73.6°F1954: 76°F, 2019: 75.8°F1967: 44.1°F2026: 72.1°F 2026 72.1°F 1967 44.1°F 44.1°F 76°F Normal range
Every year as a table
YearHigh, °FLow, °F
202696.772.1
202589.760.7
202491.759.6
202393.669.7
202289.657.2
202193.866.8
202079.148.7
201993.475.8
201883.462.1
201781.569.3
201686.758.8
201587.765.4
201486.363.5
201388.165.7
20128769.7
2011100.164
201084.351.7
200987.559.5
200888.555.3
200789.866
200686.458.3
2005101.768.6
200487.359.4
200384.956.5
200290.460.9
200181.251.5
200083.550.6
19999360
19989471.7
199792.963.6
199674.746.9
199590.464.6
199493.359.1
199388.653.3
199281.955.8
199179.949.2
199088.762.2
198983.651
198892.765.8
198787.267.7
198688.673.1
19857563.5
198463.551.8
198384.959
19829168.3
198190.263.2
198083.264.5
19799362.6
197881.157.1
19779773.6
197671.258.1
197584.857.1
197481.248.1
197380.553.6
197291.470.5
197189.269
197074.754.6
196991.560.2
19688355.5
196770.644.1
196683.361.4
196584.458
196473.659.8
196385.559.1
19628358.2
19618864.9
196084.756.1
195991.165
195879.356.6
195779.856.4
195693.760.4
195591.773.3
195494.276
195399.462.6
195288.656.8
195179.862.4

Nearby

Austin, TX 24.5 mi, the nearest city with its own station