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Climatological Information Services > Statistics of Special Weather Events > Ranking of air temperature and rainfall in Hong Kong at September

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Ranking of air temperature and rainfall in Hong Kong at September

Ranking of highest monthly mean temperature(1885 - 2017)

Rank Highest monthly
mean maximum
temperature
(oC)
Month of
record
1 32.1 1969.09
2 32.0 2008.09
2 32.0 2014.09
4 31.9 2009.09
4 31.9 2017.09
6 31.6 1963.09
6 31.6 1966.09
8 31.5 1955.09
9 31.4 1983.09
9 31.4 1992.09
11 31.2 1956.09
12 31.1 2015.09
13 31.0 1972.09
13 31.0 1978.09
15 30.9 1971.09
15 30.9 1975.09
15 30.9 1977.09
15 30.9 2012.09
19 30.8 1991.09
20 30.7 1902.09
20 30.7 1974.09
Rank Highest monthly
mean
temperature
(oC)
Month of
record
1 29.0 1969.09
1 29.0 2008.09
1 29.0 2014.09
1 29.0 2017.09
5 28.9 1992.09
6 28.8 2009.09
7 28.5 1963.09
8 28.4 2015.09
9 28.3 1983.09
10 28.2 2005.09
11 28.1 1955.09
11 28.1 1989.09
11 28.1 1991.09
11 28.1 2001.09
15 28.0 1966.09
15 28.0 2010.09
15 28.0 2011.09
15 28.0 2012.09
19 27.9 1909.09
19 27.9 1924.09
19 27.9 1956.09
19 27.9 1971.09
19 27.9 1978.09
19 27.9 2016.09
Rank Highest monthly
mean minimum
temperature
(oC)
Month of
record
1 27.2 2017.09
2 27.0 2014.09
3 26.9 2009.09
4 26.8 1992.09
4 26.8 2008.09
6 26.7 1969.09
7 26.6 2015.09
8 26.5 2005.09
9 26.3 1963.09
10 26.2 1998.09
10 26.2 2001.09
12 26.1 1983.09
12 26.1 2016.09
14 26.0 1937.09
14 26.0 1989.09
14 26.0 2003.09
14 26.0 2011.09
14 26.0 2012.09
19 25.9 1909.09
19 25.9 1924.09
19 25.9 1999.09
19 25.9 2004.09
19 25.9 2007.09
19 25.9 2010.09
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Ranking of lowest monthly mean temperature(1885 - 2017)

Rank lowest monthly
mean maximum
temperature
(oC)
Month of
record
1 28.0 1885.09
2 28.3 1903.09
3 28.4 1935.09
4 28.5 1997.09
5 28.6 1918.09
6 28.7 1927.09
6 28.7 1930.09
8 28.8 1932.09
9 28.9 1910.09
10 29.0 1886.09
10 29.0 1985.09
12 29.1 1921.09
12 29.1 2002.09
12 29.1 2006.09
15 29.2 1888.09
15 29.2 1913.09
15 29.2 1987.09
15 29.2 1994.09
19 29.3 1892.09
19 29.3 1905.09
19 29.3 1916.09
19 29.3 1919.09
19 29.3 1953.09
19 29.3 1981.09
Rank Lowest monthly
mean
temperature
(oC)
Month of
record
1 25.8 1935.09
2 25.9 1885.09
2 25.9 1892.09
2 25.9 1903.09
5 26.1 1890.09
6 26.3 1927.09
6 26.3 1930.09
8 26.4 1912.09
8 26.4 1918.09
8 26.4 1997.09
11 26.5 1886.09
11 26.5 1910.09
11 26.5 1953.09
14 26.6 1893.09
14 26.6 1932.09
14 26.6 2006.09
17 26.7 1895.09
17 26.7 1905.09
17 26.7 1919.09
17 26.7 1921.09
Rank Lowest monthly
mean minimum
temperature
(oC)
Month of
record
1 23.4 1892.09
2 23.7 1935.09
3 23.8 1890.09
4 24.1 1952.09
5 24.2 1912.09
6 24.3 1903.09
6 24.3 1953.09
8 24.4 1885.09
8 24.4 1893.09
8 24.4 1895.09
11 24.5 1914.09
11 24.5 1927.09
11 24.5 1997.09
14 24.6 1886.09
14 24.6 1891.09
14 24.6 1902.09
14 24.6 1904.09
14 24.6 1910.09
14 24.6 1948.09
14 24.6 1957.09
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Ranking of monthly temperature(1885 - 2017)

Rank Highest monthly
maximum temperature
(oC)
Month of
record
1 35.2 1963.09
2 34.9 2016.09
3 34.7 1969.09
3 34.7 2013.09
5 34.6 2009.09
6 34.4 1892.09
6 34.4 1895.09
8 34.3 2005.09
8 34.3 2008.09
10 34.1 1954.09
10 34.1 2010.09
10 34.1 2014.09
10 34.1 2017.09
14 34.0 1924.09
14 34.0 1958.09
14 34.0 1961.09
14 34.0 1989.09
18 33.9 1956.09
18 33.9 1966.09
18 33.9 1975.09
18 33.9 1983.09
Rank Highest monthly
minimum temperature
(oC)
Month of
record
1 25.3 2017.09
2 25.2 2014.09
3 24.7 1992.09
3 24.7 2008.09
5 24.6 1909.09
5 24.6 2001.09
7 24.5 2015.09
8 24.3 1896.09
8 24.3 1998.09
10 24.2 1974.09
10 24.2 2009.09
12 23.9 1894.09
12 23.9 1911.09
12 23.9 1938.09
12 23.9 1990.09
12 23.9 2000.09
12 23.9 2004.09
18 23.8 1932.09
18 23.8 1937.09
18 23.8 1981.09
18 23.8 2002.09
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Ranking of lowest annual temperature(1885 - 2017)

Rank Lowest monthly
maximum temperature
(oC)
Month of
record
1 30.9 1903.09
2 31.1 1919.09
2 31.1 1932.09
4 31.3 1885.09
4 31.3 1886.09
6 31.4 1907.09
7 31.5 1997.09
8 31.6 1888.09
8 31.6 1904.09
10 31.7 1930.09
11 31.9 1927.09
11 31.9 1935.09
11 31.9 1953.09
11 31.9 1994.09
15 32.0 1905.09
15 32.0 1984.09
17 32.1 1899.09
17 32.1 1916.09
17 32.1 1918.09
17 32.1 1981.09
17 32.1 1993.09
17 32.1 1998.09
Rank Lowest monthly
minimum temperature
(oC)
Month of
record
1 18.4 1935.09
2 18.6 1931.09
3 18.7 1892.09
3 18.7 1895.09
5 19.3 1890.09
5 19.3 1970.09
5 19.3 1997.09
8 19.8 1915.09
9 20.0 1912.09
10 20.5 1939.09
11 20.7 2006.09
12 20.9 1902.09
13 21.0 1893.09
13 21.0 1922.09
13 21.0 1960.09
16 21.1 1936.09
16 21.1 1957.09
18 21.3 1927.09
18 21.3 1977.09
20 21.4 1921.09
20 21.4 1953.09
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Ranking of highest hourly rainfall(1884 - 2017)

Rank Highest
hourly rainfall
(mm)
Date of record Time of
record
1 84.0 1948.09.22 14
2 79.4 1925.09.19 01
3 73.3 1999.09.16 06
4 72.8 1973.09.03 05
5 61.5 1918.09.21 02
6 57.4 2010.09.21 03
7 56.9 1930.09.28 11
8 55.7 2006.09.09 14
9 55.1 1962.09.01 08
10 54.9 1987.09.21 24
11 54.6 1937.09.02 05
12 51.5 1979.09.23 16
13 51.0 2009.09.15 04
14 50.4 2006.09.13 12
15 50.2 1965.09.08 11
16 49.5 1906.09.26 23
17 49.4 1981.09.29 03
18 49.1 2002.09.15 04
19 47.8 1926.09.21 14
20 47.4 1965.09.27 02
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Ranking of highest daily rainfall(1884 - 2017)

Rank Highest
daily total rainfall
(mm)
Date of record
1 325.5 1965.09.27
2 276.0 1999.09.16
3 248.3 2006.09.13
4 245.2 1979.09.23
5 227.0 1996.09.14
6 223.9 1993.09.26
7 203.0 1962.09.01
8 202.2 1930.09.17
9 199.9 1957.09.22
10 199.3 1936.09.07
11 197.7 2013.09.05
12 190.3 2009.09.15
13 188.1 1970.09.09
14 178.8 2010.09.21
15 172.4 1983.09.09
16 170.5 1964.09.05
17 168.7 1949.09.08
18 162.8 2002.09.17
19 161.1 2002.09.15
20 153.9 1921.09.03
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Ranking of highest monthly total rainfall(1884 - 2017)

Rank Highest monthly
total rainfall
(mm)
Month of
record
1 844.2 1952.09
2 798.4 1965.09
3 777.9 1906.09
4 723.0 2002.09
5 717.9 1930.09
6 655.9 1993.09
7 604.0 1996.09
8 583.6 1953.09
9 583.1 2010.09
10 580.5 1948.09
11 563.3 2001.09
12 549.8 1958.09
13 535.0 1961.09
14 518.5 1964.09
15 509.6 1970.09
16 507.5 1914.09
17 506.3 1979.09
18 494.9 1907.09
19 486.3 2009.09
20 485.4 1894.09
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Ranking of lowest monthly total rainfall(1884 - 2017)

Rank Lowest monthly
total rainfall
(mm)
Month of
record
1 16.3 1902.09
2 24.1 1966.09
3 49.2 1890.09
4 63.1 1992.09
5 67.4 1919.09
6 69.9 1951.09
7 76.1 1886.09
8 80.9 1905.09
8 80.9 1968.09
10 81.4 1995.09
11 83.0 1963.09
12 87.9 2015.09
13 96.0 1975.09
14 98.5 1912.09
15 98.9 1901.09
16 99.8 1928.09
17 101.2 1895.09
18 102.3 2007.09
19 105.5 1969.09
20 108.9 1938.09
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*observation came from Hong Kong Observatory
Last revision date: <04 Oct 2017>