Weather on September 17
Olathe, KS
55 Years of Data
Avg High
79°F
Avg Low
58°F
Warmest
1972
80°F avg
Coldest
1981
51°F avg
About This Date
September 17th in Olathe, KS typically brings pleasant fall weather, with average highs around 79°F and lows near 58°F. Over 55 years of records, the warmest September 17th was in 1972 (80°F average), while the coldest was 1981 (51°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 17th dates historically, with the wettest September 17th recording 3.02" of rain. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for September 17th in Olathe, KS? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 67° | 77° | — | — |
| 2024 | 86° | 63° | 74° | — | — |
| 2023 | 78° | 55° | 67° | — | — |
| 2022 | 92° | 65° | 78° | — | — |
| 2021 | 90° | 65° | 77° | — | — |
| 2020 | 73° | 58° | 65° | — | — |
| 2019 | 89° | 70° | 79° | — | — |
| 2018 | 88° | 65° | 76° | — | — |
| 2017 | 75° | 63° | 69° | 2.95" | — |
| 2016 | 80° | 61° | 70° | — | — |
| 2015 | 87° | 71° | 79° | — | — |
| 2014 | 74° | 62° | 68° | 3.02" | — |
| 2013 | 70° | 61° | 65° | 1.65" | — |
| 2012 | 79° | 53° | 66° | — | — |
| 2011 | 61° | 53° | 57° | 0.36" | — |
| 2010 | 82° | 53° | 68° | — | — |
| 2009 | 78° | 59° | 69° | — | — |
| 2008 | 74° | 53° | 63° | — | — |
| 2007 | 74° | 54° | 64° | 0.13" | — |
| 2006 | 93° | 60° | 77° | — | — |
| 2005 | 73° | 53° | 63° | — | — |
| 2004 | 77° | 55° | 66° | — | — |
| 2003 | 79° | 57° | 68° | — | — |
| 2002 | 80° | 56° | 68° | — | — |
| 2001 | 71° | 61° | 66° | 2.08" | — |
| 2000 | 91° | 60° | 76° | — | — |
| 1999 | 74° | 53° | 63° | — | — |
| 1998 | 79° | 66° | 72° | 0.05" | — |
| 1997 | 85° | 64° | 74° | 0.18" | — |
| 1996 | 72° | 52° | 62° | — | — |
| 1995 | 78° | 56° | 67° | — | — |
| 1994 | 75° | 53° | 64° | — | — |
| 1993 | 72° | 46° | 59° | — | — |
| 1992 | 85° | 67° | 76° | 1.14" | — |
| 1991 | 81° | 59° | 70° | 1.17" | — |
| 1990 | 71° | 55° | 63° | — | — |
| 1989 | 81° | 56° | 68° | — | — |
| 1988 | 89° | 69° | 79° | — | — |
| 1987 | 78° | 60° | 69° | — | — |
| 1986 | 78° | 65° | 71° | — | — |
| 1985 | 83° | 67° | 75° | — | — |
| 1984 | 64° | 54° | 59° | — | — |
| 1983 | 93° | 58° | 75° | — | — |
| 1982 | 79° | 60° | 69° | — | — |
| 1981coldest | 62° | 39° | 51° | — | — |
| 1980 | 68° | 40° | 54° | 0.99" | — |
| 1979 | 79° | 47° | 63° | — | — |
| 1978 | 91° | 66° | 79° | — | — |
| 1977 | 85° | 69° | 77° | — | — |
| 1976 | 85° | 56° | 70° | — | — |
| 1975 | 74° | 59° | 66° | — | — |
| 1974 | 80° | 54° | 67° | — | — |
| 1973 | 56° | 48° | 52° | 1.52" | — |
| 1972warmest | 90° | 70° | 80° | — | — |
| 1971 | 67° | 53° | 60° | — | — |
55 years of data from OLATHE 3E