Climateby Month

Bowling Green, KY weather in September

NOAA 1991-2020 normals and daily records · Bowling Green all year

Expect warm, often humid weather with some rain in Bowling Green in September, with highs near 83°F and lows near 60°F. Rain falls on about 8 days.

Normal high
83°F
Normal low
60°F
Wet days
8
3.6 in total
Muggy days
10
dew point 65°F+

How September changes from start to finish

Normal values at the start and end of September
September 1September 30
Normal high87°F78°F
Normal low65°F54°F
Chance of a wet day27%27%
Sunrise / sunset6:16 am / 7:14 pm6:40 am / 6:31 pm
Daylight13.0 h11.8 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical September day

  1. 6 am62°Fdew point 59°F
  2. 9 am72°Fdew point 62°F
  3. Noon79°Fdew point 61°F
  4. 3 pm80°Fdew point 60°F
  5. 6 pm75°Fdew point 60°F
  6. 9 pm68°Fdew point 61°F

NOAA hourly normals (local standard time) from Bowling Green Warren Co Airport (2 mi away); average wind 5 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F8 of 30
  • Hot dayshigh 90°F or more6 of 30
  • Muggy daysdaily mean dew point 65°F or more10 of 30
  • Wet daysat least 0.01 in of rain or melted snow8 of 30
  • Notable rainat least 0.10 in6 of 30
  • Freezing nightslow 32°F or below0 of 30
  • Snow on the groundsnow depth 1 in or more0 of 30

Average days per September, counted from daily records for each year 1991-2020.

Rain in September

Normal precipitation is 3.6 in; a dry September brings about 1.7 in and a wet one about 5.5 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.

How September varies from year to year

  • Warmest September, 1991-20202019: average high 92°F
  • Coolest September2006: average high 77°F
  • Wettest September2002: 9.5 in
  • Driest September2019: 0.2 in
  • Highest reading101°F (September 3, 2011)
  • Lowest reading34°F (September 26, 2001)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

September compared with August and October

AugustSeptemberOctober
Normal high89°F83°F72°F
Normal low68°F60°F48°F
Wet days989
Comfortable days1815
Daylight13.5 h12.4 h11.2 h

Highs change by -6°F from August and -11°F into October.

Nearby alternatives in September

How Bowling Green ranks in September

  • Normal high166th warmest of 378 cities; 1st of 3 in Kentucky
  • Wet days197th driest of 378
  • Comfortable days178th most of 342

What to pack for Bowling Green in September

  • A rain jacket or umbrella – rain on about 8 days

Heating and cooling

September has 24 heating degree days and 217 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.

Questions

How hot is Bowling Green in September?

The normal high is 83°F and the normal low is 60°F. From 1991 to 2020 the hottest September reading was 101°F (most recently on September 3, 2011).

Does it rain a lot in Bowling Green in September?

About 8 days in September have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest September in 1991-2020 was in 2002 (9.5 in); the driest was in 2019 (0.2 in).

Is September a good time to visit Bowling Green?

September ranks 5th of 12 months on our comfort score for Bowling Green (55 out of 100). It has about 8 comfortable days and about 6 days at 90°F or hotter. The best month is April.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Bowling Green Warren Co Airport (USW00093808), 2.1 mi SSE of the city center, 523 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Bow Grn-Warren Co. Rgnl Airport (746716-93808), 2.1 mi SSE of the city center, 523 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).