Weather on September 1
Louisville, KY
55 Years of Data
About This Date
September 1st in Louisville, KY typically brings warm fall weather, with average highs around 86°F and lows near 66°F. Over 54 years of records, the warmest September 1st was in 2011 (86°F average), while the coldest was 2017 (64°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 1st dates historically, with the wettest September 1st recording 3.23" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for September 1st in Louisville, KY? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 52° | 69° | — | — |
| 2024 | 90° | 72° | 81° | — | — |
| 2023 | 86° | 55° | 71° | — | — |
| 2022 | 86° | 61° | 73° | — | — |
| 2021 | 84° | 68° | 76° | — | — |
| 2020 | 85° | 75° | 80° | — | — |
| 2019 | 91° | 67° | 79° | — | — |
| 2018 | 89° | 71° | 80° | — | — |
| 2017coldest | 73° | 55° | 64° | 3.23" | — |
| 2016 | 82° | 66° | 74° | — | — |
| 2015 | 90° | 67° | 78° | 0.16" | — |
| 2014 | 87° | 73° | 80° | — | — |
| 2013 | 87° | 69° | 78° | 0.28" | — |
| 2012 | 89° | 74° | 81° | 0.66" | — |
| 2011warmest | 98° | 74° | 86° | — | — |
| 2010 | 93° | 68° | 81° | — | — |
| 2009 | 77° | 56° | 66° | — | — |
| 2008 | 97° | 66° | 81° | — | — |
| 2007 | 87° | 61° | 74° | — | — |
| 2006 | 73° | 63° | 68° | — | — |
| 2005 | 87° | 63° | 75° | — | — |
| 2004 | 83° | 60° | 71° | — | — |
| 2003 | 87° | 71° | 79° | 0.96" | — |
| 2002 | 90° | 69° | 79° | — | — |
| 2001 | 81° | 63° | 72° | — | — |
| 2000 | 83° | 73° | 78° | — | — |
| 1999 | 94° | 63° | 78° | — | — |
| 1998 | 84° | 63° | 73° | — | — |
| 1997 | 91° | 72° | 81° | — | — |
| 1995 | 84° | 72° | 78° | — | — |
| 1994 | 71° | 59° | 65° | — | — |
| 1993 | 85° | 72° | 78° | 0.53" | — |
| 1992 | 83° | 60° | 71° | 0.02" | — |
| 1991 | 89° | 70° | 79° | — | — |
| 1990 | 90° | 69° | 79° | — | — |
| 1989 | 86° | 68° | 77° | 0.62" | — |
| 1988 | 86° | 59° | 73° | — | — |
| 1987 | 80° | 50° | 65° | — | — |
| 1986 | 72° | 65° | 68° | 0.08" | — |
| 1985 | 87° | 61° | 74° | — | — |
| 1984 | 88° | 58° | 73° | — | — |
| 1983 | 87° | 68° | 78° | — | — |
| 1982 | 74° | 69° | 71° | 2.01" | — |
| 1981 | 86° | 71° | 79° | 0.02" | — |
| 1980 | 94° | 74° | 84° | — | — |
| 1979 | 87° | 69° | 78° | — | — |
| 1978 | 82° | 59° | 71° | — | — |
| 1977 | 95° | 73° | 84° | — | — |
| 1976 | 68° | 63° | 65° | 0.9" | — |
| 1975 | 84° | 62° | 73° | — | — |
| 1974 | 82° | 70° | 76° | — | — |
| 1973 | 93° | 73° | 83° | — | — |
| 1972 | 88° | 66° | 77° | — | — |
| 1971 | 86° | 70° | 78° | 0.02" | — |
Louisville, KY Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Louisville, KY Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Louisville, KY Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Louisville, KY
Most pleasant months in Louisville, KY: April, May, September, October.
What to expect on September 1st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
September 1st outlook →