16 Sep 16 September Average high 17.3° C 63.1° F Average low 3.8° C 38.8° F Highest temperature (1884-2011) 30.7° C 87.3° F

2009 Lowest temperature (1884-2011) -3.9° C 25.0° F

1926 Greatest precipitation (1884-2011) 21.3 mm 0.84 inches

1986 Greatest rainfall (1884-2011) 21.3 mm 0.84 inches

1986 Greatest snowfall (1884-2011) 14.2 cm 5.59 inches

1925 Most snow on the ground (1955-2011) 3.0 cm 1.18 inches

1965 Monthly frequency of precipitation 30 % 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 17.2° C 63.0° F Average low 3.6° C 38.5° F Highest temperature (1884-2011) 31.3° C 88.3° F

1981 Lowest temperature (1884-2011) -3.3° C 26.1° F

1965 Greatest precipitation (1884-2011) 13.8 mm 0.54 inches

1996 Greatest rainfall (1884-2011) 13.8 mm 0.54 inches

1996 Greatest snowfall (1884-2011) 5.8 cm 2.28 inches

1943 Most snow on the ground (1955-2011) 5.0 cm 1.97 inches

2003 Monthly frequency of precipitation 30 % 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 17.0° C 62.6° F Average low 3.5° C 38.3° F Highest temperature (1884-2011) 32.2° C 90.0° F

1981 Lowest temperature (1884-2011) -3.9° C 25.0° F

1957 Greatest precipitation (1884-2011) 18.0 mm 0.71 inches

1968 Greatest rainfall (1884-2011) 18.0 mm 0.71 inches

1968 Greatest snowfall (1884-2011) 15.5 cm 6.1 inches

1947 Most snow on the ground (1955-2011) 1.0 cm 0.39 inches

1995 Monthly frequency of precipitation 30 % 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 16.9° C 62.4° F Average low 3.3° C 37.9° F Highest temperature (1884-2011) 31.1° C 88.0° F

1938 Lowest temperature (1884-2011) -3.6° C 25.5° F

1983 Greatest precipitation (1884-2011) 26.4 mm 1.04 inches

1981 Greatest rainfall (1884-2011) 26.4 mm 1.04 inches

1981 Greatest snowfall (1884-2011) 22.9 cm 9.02 inches

1895 Most snow on the ground (1955-2011) 2.0 cm 0.79 inches

1985 Monthly frequency of precipitation 30 % 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 16.7° C 62.1° F Average low 3.1° C 37.6° F Highest temperature (1884-2011) 29.4° C 84.9° F

1922 Lowest temperature (1884-2011) -7.8° C 18.0° F

1934 Greatest precipitation (1884-2011) 30.5 mm 1.2 inches

1945 Greatest rainfall (1884-2011) 28.2 mm 1.11 inches

1945 Greatest snowfall (1884-2011) 11.2 cm 4.41 inches

1955 Most snow on the ground (1955-2011) 0.0 cm 0.0 inches Monthly frequency of precipitation 30 % 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 16.6° C 61.9° F Average low 3.0° C 37.4° F Highest temperature (1884-2011) 28.9° C 84.0° F

1938 Lowest temperature (1884-2011) -6.7° C 19.9° F

1926 Greatest precipitation (1884-2011) 21.3 mm 0.84 inches

1969 Greatest rainfall (1884-2011) 21.3 mm 0.84 inches

1969 Greatest snowfall (1884-2011) 11.9 cm 4.69 inches

1945 Most snow on the ground (1955-2011) 5.0 cm 1.97 inches

1955 Monthly frequency of precipitation 30 % 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 16.4° C 61.5° F Average low 2.8° C 37.0° F Highest temperature (1884-2011) 29.0° C 84.2° F

1994 Lowest temperature (1884-2011) -7.8° C 18.0° F

2000 Greatest precipitation (1884-2011) 14.7 mm 0.58 inches

1940 Greatest rainfall (1884-2011) 14.7 mm 0.58 inches

1940 Greatest snowfall (1884-2011) 12.7 cm 5.0 inches

1926 Most snow on the ground (1955-2011) 7.0 cm 2.76 inches

1955 Monthly frequency of precipitation 30 % 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.

23 Sep 23 September Average high 16.3° C 61.3° F Average low 2.7° C 36.9° F Highest temperature (1884-2011) 33.2° C 91.8° F

2009 Lowest temperature (1884-2011) -11.7° C 10.9° F

1926 Greatest precipitation (1884-2011) 28.2 mm 1.11 inches

1900 Greatest rainfall (1884-2011) 28.2 mm 1.11 inches

1900 Greatest snowfall (1884-2011) 10.7 cm 4.21 inches

1930 Most snow on the ground (1955-2011) 3.0 cm 1.18 inches

1984 Monthly frequency of precipitation 30 % 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.

24 Sep 24 September Average high 16.2° C 61.2° F Average low 2.5° C 36.5° F Highest temperature (1884-2011) 31.9° C 89.4° F

2001 Lowest temperature (1884-2011) -13.3° C 8.1° F

1926 Greatest precipitation (1884-2011) 10.7 mm 0.42 inches

1908 Greatest rainfall (1884-2011) 7.1 mm 0.28 inches

1915 Greatest snowfall (1884-2011) 10.7 cm 4.21 inches

1908 Most snow on the ground (1955-2011) 5.0 cm 1.97 inches

1972 Monthly frequency of precipitation 30 % 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.

25 Sep 25 September Average high 16.0° C 60.8° F Average low 2.4° C 36.3° F Highest temperature (1884-2011) 31.1° C 88.0° F

1922 Lowest temperature (1884-2011) -12.2° C 10.0° F

1934 Greatest precipitation (1884-2011) 60.7 mm 2.39 inches

1986 Greatest rainfall (1884-2011) 55.6 mm 2.19 inches

1986 Greatest snowfall (1884-2011) 11.4 cm 4.49 inches

1951 Most snow on the ground (1955-2011) 8.0 cm 3.15 inches

1972 Monthly frequency of precipitation 30 % 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.