climatesince.com

Gwinnett County, GA

: September 2026 so far averaged 76.7°F in Gwinnett County, GA, the warmest 1 to 29 September in the county average since 2019, tied 3rd warmest of 76 (with 2016) (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 Gwinnett County, GA since 1951: 81.6°F in 2026; the highest is 90.8°F, in 1986.
1957: 55.3°F1980: 59.8°F, 1989: 60.3°F1967: 64.7°F1960: 67.4°F1965: 67.7°F1962: 70.4°F, 1963: 69.9°F, 1997: 69.5°F2003: 71.8°F1970: 72.5°F, 1984: 73°F, 1985: 72.9°F, 2015: 72.8°F1996: 73.2°F1975: 73.5°F, 1983: 74.1°F, 2013: 73.5°F, 2014: 73.5°F, 2022: 73.7°F1991: 75.4°F, 1992: 75.3°F, 2000: 74.6°F, 2024: 74.6°F1956: 76°F, 1958: 76.1°F, 1995: 76.3°F, 2001: 75.5°F, 2010: 76.1°F1951: 76.5°F, 1966: 76.7°F, 1979: 76.7°F, 1993: 76.6°F1977: 77.8°F, 1982: 77.9°F, 1988: 78.3°F, 2002: 78°F, 2004: 78°F1999: 79.3°F, 2006: 78.7°F, 2011: 78.6°F, 2023: 78.7°F1968: 80°F, 1973: 80°F, 1974: 80.3°F, 1987: 80.3°F, 1990: 79.9°F, 1994: 80.2°F, 1998: 79.6°F, 2020: 80°F1952: 80.5°F, 1964: 81.1°F, 1978: 81.1°F, 2005: 81.1°F, 2009: 80.9°F1969: 82.2°F, 1971: 81.8°F, 1976: 82.3°F, 2026: 81.6°F1955: 83°F, 2012: 83.2°F, 2018: 82.7°F, 2021: 83.4°F1961: 83.6°F, 2007: 84.1°F, 2008: 84.4°F, 2025: 84°F1959: 84.5°F1981: 85.1°F1953: 86.2°F, 1972: 85.9°F2016: 86.6°F1954: 90.3°F, 2017: 89.6°F, 2019: 89.5°F1986: 90.8°F1986: 90.8°F2026: 81.6°F 2026 81.6°F 1986 90.8°F 55.3°F 90.8°F Normal range
Every 29 September low of the county average in Gwinnett County, GA since 1951: 50.3°F in 2026; the lowest is 40.1°F, in 1962.
1962: 40.1°F42°F: 196744°F: 20031970: 44.5°F1985: 46.3°F, 1993: 45.6°F, 2022: 46.3°F2001: 46.5°F47°F: 20061958: 48.4°F, 1991: 47.7°F1981: 48.5°F, 2000: 48.7°F1957: 50°F, 1994: 49.6°F, 2009: 49.9°F, 2026: 50.3°F1975: 50.9°F, 1983: 50.8°F1951: 52.5°F, 1956: 52.6°F, 1982: 53.3°F, 1989: 53°F, 1995: 53.4°F, 2007: 53.2°F, 2013: 52.6°F1952: 54.3°F, 1961: 54.1°F, 1969: 54.1°F, 1977: 53.9°F, 1996: 53.7°F, 2010: 53.7°F1980: 54.7°F1953: 55.8°F, 1984: 56.3°F, 1988: 55.7°F, 2016: 55.6°F2023: 56.5°F1990: 57.8°F, 2020: 58.2°F, 2021: 57.5°F1965: 59°F, 1968: 59.1°F, 1978: 59.3°F, 1987: 59°F, 2004: 59.2°F, 2008: 59.3°F, 2011: 58.7°F1960: 60.1°F, 1963: 59.5°F, 1997: 60.3°F, 2012: 60.1°F1955: 62.4°F, 1971: 62.4°F, 1992: 61.6°F, 2024: 62.4°F, 2025: 61.7°F1954: 62.5°F, 1959: 63.3°F, 2002: 63.1°F, 2014: 63.4°F1966: 63.6°F, 1976: 63.6°F1973: 64.5°F, 1979: 64.8°F, 1986: 65.1°F, 2017: 64.5°F1972: 65.7°F, 1974: 66.1°F, 2005: 65.6°F, 2015: 66.4°F2018: 66.8°F1998: 69°F, 2019: 68.8°F1964: 70.2°F1999: 71.6°F1962: 40.1°F2026: 50.3°F 2026 50.3°F 1962 40.1°F 40.1°F 71.6°F Normal range
Every year as a table
YearHigh, °FLow, °F
202681.650.3
20258461.7
202474.662.4
202378.756.5
202273.746.3
202183.457.5
20208058.2
201989.568.8
201882.766.8
201789.664.5
201686.655.6
201572.866.4
201473.563.4
201373.552.6
201283.260.1
201178.658.7
201076.153.7
200980.949.9
200884.459.3
200784.153.2
200678.747
200581.165.6
20047859.2
200371.844
20027863.1
200175.546.5
200074.648.7
199979.371.6
199879.669
199769.560.3
199673.253.7
199576.353.4
199480.249.6
199376.645.6
199275.361.6
199175.447.7
199079.957.8
198960.353
198878.355.7
198780.359
198690.865.1
198572.946.3
19847356.3
198374.150.8
198277.953.3
198185.148.5
198059.854.7
197976.764.8
197881.159.3
197777.853.9
197682.363.6
197573.550.9
197480.366.1
19738064.5
197285.965.7
197181.862.4
197072.544.5
196982.254.1
19688059.1
196764.742
196676.763.6
196567.759
196481.170.2
196369.959.5
196270.440.1
196183.654.1
196067.460.1
195984.563.3
195876.148.4
195755.350
19567652.6
19558362.4
195490.362.5
195386.255.8
195280.554.3
195176.552.5

Nearby

Atlanta, GA 33.0 mi, the nearest city with its own station