Early autumn · Weather & things to do
Louisville in September
Louisville cools off: highs slip to 82°F (28°C), from 87°F in August, with lows of 59°F (15°C) and about 3.7 in (93 mm) of rain.
September opens the best stretch on our comfort score, at 86/100 (the top score of the year).
- Avg high
- 82°F (28°C)
- Avg low
- 59°F (15°C)
- Rain
- 3.7 in (93 mm)
- Humidity
- 69%
- Cloud cover
- 46%
- Daylight
- ~12 h 14 min
- Comfort score
- 86/100 · Great
What September feels like
Highs settle around 82°F (28°C), warm enough for short sleeves most of the day.
There's a big swing between day and night, about 13°C (23°F), so mornings and evenings feel much cooler than the afternoon.
Showers are part of the month, adding up to about 3.7 in (93 mm).
Plan around September
September is one of Louisville's best months on the climate data.
- Last warm month for a while: October highs fall to 68°F.
- Opens the best-scoring stretch on our comfort score: September & October.
- Comfort improves from 74/100 in August to 86/100.
- September sits inside the Apr – Oct window our Kentucky Bourbon Country route recommends.
What to pack for September
- Light, breathable clotheshighs average 82°F
- A warm layer for eveningsnights drop to 59°F
- Packable rain jacket or umbrellaabout 3.7 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in Louisville in September
September is good outdoor weather here, so these picks lean toward the open air.
Jack Fry's
Highlands bistro since 1933 with live jazz and Southern classics.
Garage Bar
NuLu pizza and oyster spot in a converted service station.
Evan Williams Bourbon Experience
Whiskey Row artisanal distillery with tours and tastings.
Big Four Bridge
Former rail bridge turned pedestrian path across the Ohio River from Waterfront Park.
Why now September scores 86/100 for comfort, good conditions for being outside.
Angel's Envy Distillery
Downtown distillery in a restored factory; tours end with a tasting.
Nearby in September
- Bardstown in September~35 mi · highs 81°F, 3.8 in rain · similar daytime temperatures, about as wet
- Lexington in September~70 mi · highs 80°F, 3.5 in rain · similar daytime temperatures, about as wet
- Downtown Cincinnati in September~89 mi · highs 82°F, 3.2 in rain · similar daytime temperatures, about as wet
- Indianapolis in September~107 mi · highs 78°F, 3.2 in rain · 2°C (4°F) cooler by day, about as wet
These averages also cover Downtown Louisville & Waterfront and The Highlands & Cherokee Park.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Louisville in September: quick answers
Is September a good time to visit Louisville?
Yes. On the climate data it's one of the best months, scoring 86/100. Expect highs of 82°F (28°C) and 3.7 in (93 mm) of rain. September is inside the Apr – Oct window our Kentucky Bourbon Country route recommends.
How hot is Louisville in September?
Average highs are 82°F (28°C) and average lows 59°F (15°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Louisville in September?
Some: about 3.7 in (93 mm) of rain falls across September on average, the 4th-driest month of the year. The annual total is about 50.0 in (1271 mm).
What should I pack for Louisville in September?
Bring light, breathable clothes (highs average 82°F), a warm layer for evenings (nights drop to 59°F), packable rain jacket or umbrella (about 3.7 in of rain) and comfortable walking shoes (most picks involve some walking).
More on Louisville
Routes in season in September
- Kentucky Bourbon Country Apr – Oct
Planning Louisville in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.