Weather on September 23
Olathe, KS
55 Years of Data
Avg High
75°F
Avg Low
54°F
Warmest
2017
77°F avg
Coldest
1994
49°F avg
About This Date
September 23rd in Olathe, KS typically brings pleasant fall weather, with average highs around 75°F and lows near 54°F. Over 55 years of records, the warmest September 23rd was in 2017 (77°F average), while the coldest was 1994 (49°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 29% of September 23rd dates historically, with the wettest September 23rd recording 6.2" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for September 23rd 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 | 73° | 64° | 69° | 0.79" | — |
| 2024 | 64° | 56° | 60° | 0.66" | — |
| 2023 | 82° | 67° | 74° | 3.33" | — |
| 2022 | 70° | 55° | 62° | 0.43" | — |
| 2021 | 76° | 48° | 62° | — | — |
| 2020 | 76° | 63° | 69° | — | — |
| 2019 | 78° | 54° | 66° | — | — |
| 2018 | 77° | 51° | 64° | — | — |
| 2017warmest | 87° | 67° | 77° | — | — |
| 2016 | 85° | 65° | 75° | — | — |
| 2015 | 82° | 65° | 73° | — | — |
| 2014 | 74° | 54° | 64° | 0.03" | — |
| 2013 | 76° | 52° | 64° | — | — |
| 2012 | 67° | 40° | 53° | — | — |
| 2011 | 72° | 49° | 60° | — | — |
| 2010 | 83° | 67° | 75° | 2.84" | — |
| 2009 | 65° | 50° | 57° | — | — |
| 2008 | 79° | 61° | 70° | — | — |
| 2007 | 87° | 62° | 75° | — | — |
| 2006 | 78° | 56° | 67° | — | — |
| 2005 | 85° | 65° | 75° | 1.47" | — |
| 2004 | 82° | 59° | 71° | — | — |
| 2003 | 74° | 50° | 62° | — | — |
| 2002 | 70° | 51° | 60° | — | — |
| 2001 | 72° | 57° | 64° | 0.66" | — |
| 2000 | 86° | 54° | 70° | 2.44" | — |
| 1999 | 79° | 51° | 65° | — | — |
| 1998 | 75° | 51° | 63° | — | — |
| 1997 | 73° | 54° | 63° | 4.75" | — |
| 1996 | 79° | 65° | 72° | — | — |
| 1995 | 65° | 37° | 51° | — | — |
| 1994coldest | 53° | 44° | 49° | 0.53" | — |
| 1993 | 73° | 53° | 63° | 2.62" | — |
| 1992 | 69° | 46° | 58° | — | — |
| 1991 | 71° | 44° | 58° | — | — |
| 1990 | 64° | 41° | 53° | — | — |
| 1989 | 68° | 37° | 53° | — | — |
| 1988 | 86° | 58° | 72° | — | — |
| 1987 | 81° | 50° | 65° | — | — |
| 1986 | 85° | 66° | 75° | 6.2" | — |
| 1985 | 75° | 49° | 62° | 2.34" | — |
| 1984 | 84° | 64° | 74° | — | — |
| 1983 | 64° | 37° | 51° | — | — |
| 1982 | 71° | 52° | 61° | — | — |
| 1981 | 83° | 56° | 69° | — | — |
| 1980 | 70° | 47° | 58° | — | — |
| 1979 | 78° | 49° | 63° | — | — |
| 1978 | 77° | 46° | 62° | — | — |
| 1977 | 80° | 63° | 71° | — | — |
| 1976 | 82° | 61° | 71° | 0.1" | — |
| 1975 | 74° | 45° | 59° | — | — |
| 1974 | 68° | 43° | 55° | — | — |
| 1973 | 80° | 67° | 73° | 0.58" | — |
| 1972 | 69° | 53° | 61° | — | — |
| 1971 | 65° | 46° | 55° | — | — |
55 years of data from OLATHE 3E