観測史上1～10位の値（9月としての値）
 |  |
 |  |  |
 |  |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
倶知安（後志地方）
| 要素名／順位 | 1位 | 2位 | 3位 | 4位 | 5位 | 6位 | 7位 | 8位 | 9位 | 10位 | 統計期間 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 日降水量 (mm) | 92.0 (1985/9/1) | 89.1 (1965/9/10) | 85.0 (1998/9/16) | 76.7 (1965/9/18) | 72.5 (2015/9/2) | 72.5 (1992/9/25) | 70.0 (2011/9/2) | 69.5 (2023/9/18) | 69.5 (1981/9/4) | 67.0 (1968/9/20) | 1944/9 2024/9 |
| 日最大10分間降水量 (mm) | 18.0 (2011/9/2) | 11.5 (2023/9/12) | 11.0 (1975/9/21) | 10.4 (1961/9/5) | 10.0 (1990/9/3) | 9.5 (1994/9/6) | 9.5 (1985/9/7) | 9.4 (1945/9/6) | 9.0 (2021/9/13) | 9.0 (2013/9/5) | 1944/9 2024/9 |
| 日最大1時間降水量 (mm) | 32.0 (1969/9/11) | 29.5 (2011/9/2) | 26.5 (1994/9/6) | 26.0 (1985/9/1) | 23.5 (1990/9/3) | 22.0 (1985/9/7) | 22.0 (1975/9/21) | 21.5 (2023/9/18) | 21.0 (2023/9/12) | 20.5 (1992/9/2) | 1944/9 2024/9 |
| 月最大24時間降水量 (mm) | 92.0 (1985/9/1) | 91.0 (2001/9/11) | 88.0 (1992/9/25) | 88.0 (1965/9/10) | 85.0 (1998/9/16) | 79.0 (2023/9/18) | 78.0 (1986/9/3) | 75.0 (1981/9/4) | 72.5 (2015/9/2) | 72.5 (2011/9/6) | 1961/9 2024/9 |
| 月降水量の多い方から (mm) | 352.2 (1965/9) | 300.5 (1994/9) | 254.0 (2011/9) | 249.5 (1992/9) | 229.0 (2000/9) | 224.5 (2023/9) | 222.5 (1985/9) | 206.6 (1951/9) | 204.1 (1947/9) | 203.3 (1944/9) | 1944/9 2024/9 |
| 月降水量の少ない方から (mm) | 53.6 (1956/9) | 58.5 (2024/9) | 61.5 (2009/9) | 64.0 (2002/9) | 64.5 (1993/9) | 65.5 (1980/9) | 68.0 (1974/9) | 68.5 (2008/9) | 69.5 (1987/9) | 72.5 (1988/9) | 1944/9 2024/9 |
| 日最高気温の高い方から (℃) | 32.0 (2020/9/8) | 31.8 (2012/9/18) | 31.4 (2012/9/3) | 31.0 (2019/9/8) | 30.9 (2020/9/7) | 30.8 (2012/9/1) | 30.5 (2020/9/5) | 30.4 (2012/9/4) | 30.3 (2019/9/9) | 30.1 (2016/9/1) | 1944/9 2024/9 |
| 日最高気温の低い方から (℃) | 10.4 (1962/9/25) | 10.9 (2008/9/27) | 12.3 (1969/9/29) | 12.4 (1956/9/27) | 12.6 (2001/9/21) | 12.6 (1969/9/30) | 12.7 (1958/9/27) | 12.8 (1984/9/26) | 12.9 (1992/9/27) | 12.9 (1984/9/27) | 1944/9 2024/9 |
| 日最低気温の高い方から (℃) | 22.4 (2012/9/18) | 21.7 (2020/9/3) | 21.6 (2023/9/5) | 21.5 (1961/9/5) | 21.2 (2011/9/5) | 21.2 (2010/9/6) | 21.1 (2023/9/1) | 21.1 (1990/9/2) | 21.0 (2023/9/12) | 21.0 (2019/9/9) | 1944/9 2024/9 |
| 日最低気温の低い方から (℃) | -1.3 (1964/9/28) | -0.1 (1980/9/27) | 0.0 (1945/9/27) | 0.2 (1964/9/29) | 0.3 (1946/9/29) | 0.5 (1969/9/30) | 0.5 (1960/9/29) | 0.5 (1951/9/24) | 0.6 (1950/9/23) | 0.7 (1952/9/27) | 1944/9 2024/9 |
| 月平均気温の高い方から (℃) | 20.2 (2012/9) | 19.2 (2023/9) | 18.3 (2020/9) | 18.2 (1994/9) | 17.7 (1961/9) | 17.5 (2010/9) | 17.5 (1999/9) | 17.5 (1998/9) | 17.4 (2022/9) | 17.3 (2024/9) | 1944/9 2024/9 |
| 月平均気温の低い方から (℃) | 13.4 (1951/9) | 13.9 (1981/9) | 13.9 (1964/9) | 13.9 (1945/9) | 14.1 (1966/9) | 14.1 (1963/9) | 14.2 (1969/9) | 14.2 (1957/9) | 14.2 (1947/9) | 14.4 (1971/9) | 1944/9 2024/9 |
| 日最小相対湿度 (%) | 22 (2022/9/10) | 22 (2006/9/13) | 23 (2008/9/15) | 24 (2003/9/23) | 25 (2019/9/4) | 25 (2009/9/23) | 25 (2008/9/16) | 25 (1987/9/24) | 26 (2002/9/16) | 26 (1975/9/12) | 1950/9 2024/9 |
| 日最大風速・風向 (m/s) | 34.1 南南西 (1954/9/27) | 25.8 南東 (2018/9/5) | 25.2 南 (1954/9/26) | 23.3 南東 (1949/9/1) | 19.0 南南西 (2004/9/8) | 18.8 南西 (1959/9/18) | 18.4 南東 (2018/9/4) | 17.5 南南東 (2022/9/6) | 17.1 南 (1954/9/8) | 17.0 西 (2006/9/20) | 1944/9 2024/9 |
| 日最大瞬間風速・風向 (m/s) | 45.4 南南西 (1954/9/27) | 42.4 南東 (2018/9/5) | 40.3 南西 (2004/9/8) | 38.0 南南西 (1954/9/26) | 37.1 南 (1999/9/25) | 30.6 西北西 (2006/9/20) | 29.3 南南西 (1987/9/1) | 29.1 南南東 (2022/9/6) | 28.8 南 (2003/9/13) | 28.8 南東 (1992/9/30) | 1951/9 2024/9 |
| 月間日照時間の多い方から (時間) | 197.8 (2021/9) | 192.4 (1956/9) | 191.7 (2022/9) | 190.5 (2006/9) | 189.3 (2008/9) | 188.1 (1978/9) | 185.9 (1970/9) | 184.8 (2024/9) | 182.6 (1982/9) | 181.1 (2014/9) | 1944/9 2024/9 |
| 月間日照時間の少ない方から (時間) | 99.3 (1989/9) | 105.4 (2011/9) | 108.7 (1954/9) | 109.1 (2000/9) | 114.5 (1950/9) | 116.1 (2007/9) | 117.3 (1992/9) | 118.4 (1976/9) | 118.8 (2020/9) | 119.3 (1967/9) | 1944/9 2024/9 |
| 降雪の深さ日合計 (cm) | 0 (2001/9/21) | 0 (1992/9/27) | 0 (1992/9/20) | 0 (1981/9/29) | 0 (1981/9/28) | 0 (1978/9/27) | 0 (1969/9/29) | 0 (1969/9/26) | 0 (1962/9/25) | -- (2024/9/30) | 1953/9 2024/9 |
| 降雪の深さ月合計 (cm) | 0 (2001/9) | 0 (1992/9) | 0 (1981/9) | 0 (1978/9) | 0 (1969/9) | 0 (1962/9) | -- (2024/9) | -- (2023/9) | -- (2022/9) | -- (2021/9) | 1953/9 2024/9 |
| 月最深積雪の大きい方から (cm) | -- (2024/9) | -- (2023/9) | -- (2022/9) | -- (2021/9) | -- (2020/9) | -- (2019/9) | -- (2018/9) | -- (2017/9) | -- (2016/9) | -- (2015/9) | 1944/9 2024/9 |
| 月最深積雪の小さい方から (cm) | -- (2024/9) | -- (2023/9) | -- (2022/9) | -- (2021/9) | -- (2020/9) | -- (2019/9) | -- (2018/9) | -- (2017/9) | -- (2016/9) | -- (2015/9) | 1944/9 2024/9 |
- 値欄の記号の説明
- 上記とは別に、日最大1時間降水量と月最大24時間降水量は、単位時間や日界の異なる統計も行っています。この値は、「詳細（N時間降水量）」で確認できます。