14 Sep 14 September Average high 18.8° C 65.8° F Average low 6.2° C 43.2° F Highest temperature (1938-2007) 29.8° C 85.6° F

2006 Lowest temperature (1938-2007) -3.3° C 26.1° F

1964 Greatest precipitation (1938-2007) 10.2 mm 0.4 inches

1957 Greatest rainfall (1938-2007) 10.2 mm 0.4 inches

1957 Greatest snowfall (1938-2007) 0.0 cm 0.0 inches Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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 18.6° C 65.5° F Average low 6.0° C 42.8° F Highest temperature (1938-2007) 31.6° C 88.9° F

2006 Lowest temperature (1938-2007) -3.3° C 26.1° F

1982 Greatest precipitation (1938-2007) 16.0 mm 0.63 inches

1942 Greatest rainfall (1938-2007) 16.0 mm 0.63 inches

1942 Greatest snowfall (1938-2007) 0.0 cm 0.0 inches Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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 18.3° C 64.9° F Average low 5.8° C 42.4° F Highest temperature (1938-2007) 32.8° C 91.0° F

1979 Lowest temperature (1938-2007) -2.2° C 28.0° F

1959 Greatest precipitation (1938-2007) 19.5 mm 0.77 inches

1997 Greatest rainfall (1938-2007) 19.5 mm 0.77 inches

1997 Greatest snowfall (1938-2007) 0.0 cm 0.0 inches Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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 18.1° C 64.6° F Average low 5.6° C 42.1° F Highest temperature (1938-2007) 31.8° C 89.2° F

1989 Lowest temperature (1938-2007) -1.7° C 28.9° F

1959 Greatest precipitation (1938-2007) 28.0 mm 1.1 inches

2006 Greatest rainfall (1938-2007) 28.0 mm 1.1 inches

2006 Greatest snowfall (1938-2007) 0.0 cm 0.0 inches Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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 17.9° C 64.2° F Average low 5.4° C 41.7° F Highest temperature (1938-2007) 30.0° C 86.0° F

1939 Lowest temperature (1938-2007) -4.2° C 24.4° F

1980 Greatest precipitation (1938-2007) 21.1 mm 0.83 inches

1946 Greatest rainfall (1938-2007) 21.1 mm 0.83 inches

1946 Greatest snowfall (1938-2007) 0.0 cm 0.0 inches Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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 17.7° C 63.9° F Average low 5.2° C 41.4° F Highest temperature (1938-2007) 31.2° C 88.2° F

2004 Lowest temperature (1938-2007) -3.9° C 25.0° F

1973 Greatest precipitation (1938-2007) 16.1 mm 0.63 inches

1980 Greatest rainfall (1938-2007) 16.1 mm 0.63 inches

1980 Greatest snowfall (1938-2007) 1.5 cm 0.59 inches

1945 Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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 17.4° C 63.3° F Average low 5.0° C 41.0° F Highest temperature (1938-2007) 27.8° C 82.0° F

1940 Lowest temperature (1938-2007) -3.9° C 25.0° F

1999 Greatest precipitation (1938-2007) 51.1 mm 2.01 inches

1970 Greatest rainfall (1938-2007) 51.1 mm 2.01 inches

1970 Greatest snowfall (1938-2007) 0.0 cm 0.0 inches Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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 17.2° C 63.0° F Average low 4.8° C 40.6° F Highest temperature (1938-2007) 31.7° C 89.1° F

1938 Lowest temperature (1938-2007) -3.3° C 26.1° F

1976 Greatest precipitation (1938-2007) 15.0 mm 0.59 inches

1980 Greatest rainfall (1938-2007) 15.0 mm 0.59 inches

1980 Greatest snowfall (1938-2007) 0.8 cm 0.31 inches

1947 Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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 17.0° C 62.6° F Average low 4.6° C 40.3° F Highest temperature (1938-2007) 32.2° C 90.0° F

1938 Lowest temperature (1938-2007) -4.4° C 24.1° F

1974 Greatest precipitation (1938-2007) 44.2 mm 1.74 inches

1959 Greatest rainfall (1938-2007) 44.2 mm 1.74 inches

1959 Greatest snowfall (1938-2007) 0.0 cm 0.0 inches Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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 16.8° C 62.2° F Average low 4.5° C 40.1° F Highest temperature (1938-2007) 27.2° C 81.0° F

2007 Lowest temperature (1938-2007) -5.6° C 21.9° F

1943 Greatest precipitation (1938-2007) 19.0 mm 0.75 inches

2004 Greatest rainfall (1938-2007) 19.0 mm 0.75 inches

2004 Greatest snowfall (1938-2007) 0.0 cm 0.0 inches Most snow on the ground (1955-2007) 0.0 cm 0.0 inches Monthly frequency of precipitation 35 % 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.