13 Sep 13 September Average high 20.1° C 68.2° F Average low 9.6° C 49.3° F Highest temperature (1939-2011) 30.6° C 87.1° F

1951 Lowest temperature (1939-2011) 1.1° C 34.0° F

1941 Greatest precipitation (1939-2011) 28.7 mm 1.13 inches

1947 Greatest rainfall (1939-2011) 28.7 mm 1.13 inches

1947 Greatest snowfall (1939-2011) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

14 Sep 14 September Average high 19.9° C 67.8° F Average low 9.4° C 48.9° F Highest temperature (1939-2011) 30.1° C 86.2° F

2003 Lowest temperature (1939-2011) 1.7° C 35.1° F

1963 Greatest precipitation (1939-2011) 63.0 mm 2.48 inches

1979 Greatest rainfall (1939-2011) 63.0 mm 2.48 inches

1979 Greatest snowfall (1939-2011) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

15 Sep 15 September Average high 19.7° C 67.5° F Average low 9.2° C 48.6° F Highest temperature (1939-2011) 32.8° C 91.0° F

1939 Lowest temperature (1939-2011) 2.2° C 36.0° F

1953 Greatest precipitation (1939-2011) 21.8 mm 0.86 inches

1957 Greatest rainfall (1939-2011) 21.8 mm 0.86 inches

1957 Greatest snowfall (1939-2011) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

16 Sep 16 September Average high 19.5° C 67.1° F Average low 9.0° C 48.2° F Highest temperature (1939-2011) 34.4° C 93.9° F

1939 Lowest temperature (1939-2011) 1.1° C 34.0° F

1948 Greatest precipitation (1939-2011) 18.4 mm 0.72 inches

2010 Greatest rainfall (1939-2011) 18.4 mm 0.72 inches

2010 Greatest snowfall (1939-2011) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

17 Sep 17 September Average high 19.3° C 66.7° F Average low 8.8° C 47.8° F Highest temperature (1939-2011) 30.0° C 86.0° F

1942 Lowest temperature (1939-2011) -1.1° C 30.0° F

1950 Greatest precipitation (1939-2011) 28.8 mm 1.13 inches

1988 Greatest rainfall (1939-2011) 28.8 mm 1.13 inches

1988 Greatest snowfall (1939-2011) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

18 Sep 18 September Average high 19.1° C 66.4° F Average low 8.6° C 47.5° F Highest temperature (1939-2011) 31.1° C 88.0° F

1942 Lowest temperature (1939-2011) 1.1° C 34.0° F

1943 Greatest precipitation (1939-2011) 62.0 mm 2.44 inches

1945 Greatest rainfall (1939-2011) 62.0 mm 2.44 inches

1945 Greatest snowfall (1939-2011) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

19 Sep 19 September Average high 18.8° C 65.8° F Average low 8.4° C 47.1° F Highest temperature (1939-2011) 30.6° C 87.1° F

1946 Lowest temperature (1939-2011) 0.6° C 33.1° F

1943 Greatest precipitation (1939-2011) 30.5 mm 1.2 inches

1953 Greatest rainfall (1939-2011) 30.5 mm 1.2 inches

1953 Greatest snowfall (1939-2011) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

20 Sep 20 September Average high 18.6° C 65.5° F Average low 8.2° C 46.8° F Highest temperature (1939-2011) 31.0° C 87.8° F

1983 Lowest temperature (1939-2011) 0.3° C 32.5° F

1979 Greatest precipitation (1939-2011) 32.0 mm 1.26 inches

1976 Greatest rainfall (1939-2011) 32.0 mm 1.26 inches

1976 Greatest snowfall (1939-2011) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

21 Sep 21 September Average high 18.4° C 65.1° F Average low 8.0° C 46.4° F Highest temperature (1939-2011) 29.4° C 84.9° F

1965 Lowest temperature (1939-2011) -1.7° C 28.9° F

1956 Greatest precipitation (1939-2011) 48.3 mm 1.9 inches

1967 Greatest rainfall (1939-2010) 48.3 mm 1.9 inches

1967 Greatest snowfall (1939-2010) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

22 Sep 22 September Average high 18.2° C 64.8° F Average low 7.8° C 46.0° F Highest temperature (1939-2011) 30.6° C 87.1° F

1941 Lowest temperature (1939-2011) -1.1° C 30.0° F

1950 Greatest precipitation (1939-2011) 18.6 mm 0.73 inches

1992 Greatest rainfall (1939-2011) 18.6 mm 0.73 inches

1992 Greatest snowfall (1939-2011) 0.0 cm 0.0 inches Most snow on the ground (1955-2010) 0.0 cm 0.0 inches Monthly frequency of precipitation 41 % Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.