Weather on September 9
Olathe, KS
55 Years of Data
Avg High
82°F
Avg Low
61°F
Warmest
1991
83°F avg
Coldest
2020
53°F avg
About This Date
September 9th in Olathe, KS typically brings warm fall weather, with average highs around 82°F and lows near 61°F. Over 55 years of records, the warmest September 9th was in 1991 (83°F average), while the coldest was 2020 (53°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 9th dates historically, with the wettest September 9th recording 6.71" of rain. The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
Planning for September 9th in Olathe, KS? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 58° | 64° | 0.64" | — |
| 2024 | 83° | 51° | 67° | — | — |
| 2023 | 87° | 55° | 71° | — | — |
| 2022 | 87° | 61° | 74° | — | — |
| 2021 | 81° | 60° | 70° | — | — |
| 2020coldest | 56° | 50° | 53° | 0.05" | — |
| 2019 | 90° | 69° | 79° | — | — |
| 2018 | 74° | 55° | 64° | — | — |
| 2017 | 83° | 57° | 70° | — | — |
| 2016 | 82° | 64° | 73° | 4.5" | — |
| 2015 | 83° | 67° | 75° | — | — |
| 2014 | 90° | 71° | 80° | — | — |
| 2013 | 95° | 72° | 83° | — | — |
| 2012 | 76° | 57° | 66° | — | — |
| 2011 | 82° | 57° | 70° | — | — |
| 2010 | 70° | 65° | 67° | 0.25" | — |
| 2009 | 75° | 64° | 70° | 0.71" | — |
| 2008 | 64° | 50° | 57° | — | — |
| 2007 | 84° | 64° | 74° | — | — |
| 2006 | 86° | 63° | 74° | 0.15" | — |
| 2005 | 87° | 71° | 79° | — | — |
| 2004 | 76° | 53° | 64° | — | — |
| 2003 | 83° | 64° | 73° | — | — |
| 2002 | 94° | 67° | 80° | — | — |
| 2001 | 73° | 59° | 66° | — | — |
| 2000 | 92° | 68° | 80° | — | — |
| 1999 | 82° | 57° | 70° | — | — |
| 1998 | 78° | 55° | 67° | — | — |
| 1997 | 81° | 66° | 73° | — | — |
| 1996 | 81° | 58° | 69° | — | — |
| 1995 | 75° | 56° | 65° | — | — |
| 1994 | 85° | 64° | 74° | — | — |
| 1993 | 85° | 57° | 71° | — | — |
| 1992 | 87° | 63° | 75° | 0.76" | — |
| 1991warmest | 94° | 73° | 83° | — | — |
| 1990 | 95° | 67° | 81° | — | — |
| 1989 | 73° | 59° | 66° | 6.71" | — |
| 1988 | 88° | 64° | 76° | — | — |
| 1987 | 82° | 53° | 68° | — | — |
| 1986 | 82° | 61° | 71° | — | — |
| 1985 | 85° | 60° | 72° | — | — |
| 1984 | 85° | 60° | 72° | 0.86" | — |
| 1983 | 93° | 71° | 82° | — | — |
| 1982 | 81° | 65° | 73° | — | — |
| 1981 | 80° | 56° | 68° | — | — |
| 1980 | 89° | 72° | 80° | — | — |
| 1979 | 84° | 55° | 70° | — | — |
| 1978 | 92° | 65° | 78° | — | — |
| 1977 | 79° | 62° | 70° | — | — |
| 1976 | 79° | 54° | 66° | 0.03" | — |
| 1975 | 88° | 60° | 74° | — | — |
| 1974 | 79° | 58° | 68° | — | — |
| 1973 | 82° | 68° | 75° | 1.47" | — |
| 1972 | 72° | 62° | 67° | 0.05" | — |
| 1971 | 85° | 62° | 73° | — | — |
55 years of data from OLATHE 3E