Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Louisville in September

In an average September, Louisville sees a daily high around 81°F and a low around 61°F, based on 1980–2026 of local climate records.

Average high81°F
Typical high range72°F to 89°F
Average low61°F
Typical low range51°F to 70°F
Average daily precipitation0.10 in

September records

The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 100°F 2011-09-03
Lowest 57°F 1984-09-27

Low

Highest 76°F 2012-09-01
Lowest 37°F 1993-09-30

Feels-like

Highest 129°F 1990-09-06
Lowest 32°F 1983-09-22

Humidity

Highest 22.0 g/m³ 1980-09-22
Lowest 5.3 g/m³ 1995-09-23

Wind

Highest 27 mph 2008-09-14
Lowest 3 mph 2006-09-09

Gust

Highest 62 mph 2024-09-27
Lowest 7 mph 2006-09-09

Precip

Wettest 7.61 in 1996
Driest 0.41 in 2019

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