Climateby Month

Tallahassee, FL weather in September

NOAA 1991-2020 normals and daily records · Tallahassee all year

In September, Tallahassee sees highs around 89°F and lows around 70°F: hot and oppressively humid, with some rain. There are about 9 days with rain.

Normal high
89°F
Normal low
70°F
Wet days
9
4.9 in total
Muggy days
24
dew point 65°F+

How September changes from start to finish

Normal values at the start and end of September
September 1September 30
Normal high90°F86°F
Normal low72°F66°F
Chance of a wet day36%26%
Sunrise / sunset7:13 am / 8:00 pm7:30 am / 7:24 pm
Daylight12.8 h11.9 h

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

A typical September day

  1. 6 am71°Fdew point 68°F
  2. 9 am78°Fdew point 69°F
  3. Noon85°Fdew point 68°F
  4. 3 pm87°Fdew point 67°F
  5. 6 pm83°Fdew point 68°F
  6. 9 pm76°Fdew point 70°F

NOAA hourly normals (local standard time) from Tallahassee (4 mi away); average wind 5 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 30
  • Hot dayshigh 90°F or more17 of 30
  • Muggy daysdaily mean dew point 65°F or more24 of 30
  • Wet daysat least 0.01 in of rain or melted snow9 of 30
  • Notable rainat least 0.10 in6 of 30
  • Freezing nightslow 32°F or below0 of 30

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

Rain in September

Normal precipitation is 4.9 in; a dry September brings about 2.2 in and a wet one about 6.6 in (25th and 75th percentiles). About 3 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 95°F
  • Coolest September2001: average high 86°F
  • Wettest September1998: 13.9 in
  • Driest September2019: no measurable precipitation
  • Highest reading101°F (September 18, 2019)
  • Lowest reading45°F (September 30, 1993)

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 high92°F89°F82°F
Normal low73°F70°F59°F
Wet days1596
Comfortable days007
Daylight13.2 h12.3 h11.4 h

Highs change by -3°F from August and -7°F into October.

Nearby alternatives in September

How Tallahassee ranks in September

  • Normal high83rd warmest of 378 cities; 15th of 23 in Florida
  • Wet days243rd driest of 378
  • Comfortable days302nd most of 342

What to pack for Tallahassee in September

  • Light, breathable clothing – highs near 89°F and about 24 muggy days
  • A rain jacket or umbrella – rain on about 9 days

Heating and cooling

September has 0 heating degree days and 423 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.

Questions

How hot is Tallahassee in September?

The normal high is 89°F and the normal low is 70°F. From 1991 to 2020 the hottest September reading was 101°F (September 18, 2019).

Does it rain a lot in Tallahassee in September?

About 9 days in September have at least 0.01 in of precipitation, and the normal total is 4.9 in. The wettest September in 1991-2020 was in 1998 (13.9 in); the driest was in 2019, with no measurable precipitation.

Is September a good time to visit Tallahassee?

September ranks 9th of 12 months on our comfort score for Tallahassee (38 out of 100). It has almost no comfortable days and about 17 days at 90°F or hotter. The best months are February, March and November.

Where the numbers come from

  • Temperature, rain, frost dates and humidity and wind by hour: Tallahassee (USW00093805), 4.0 mi SW of the city center, 63 ft (141 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Tallahassee Regional Airport (722140-93805), 5.2 mi SW of the city center, 56 ft (148 ft lower than the city). Hourly observations, 1991-2020.
  • Not available for this location: snowfall, snow depth and cloud cover (no station close enough or similar enough in elevation).