Meteorological fall begins after slightly “cooler” summer

Fall tie

Welcome to meteorological fall!

It’s basically how the weather community measures seasons…if you were wondering. Astronomical fall doesn’t occur until the autumnal equinox on September 22 at 10:29 pm EDT.

Here are some numbers from “summer” (May 1 – September 31) at Jacksonville International Airport.

Average high temp: 90.8ºF (-0.2ºF)

Average low temp: 71.5ºF (-0.3ºF)

Average temperature: 81.1ºF (-0.3ºF)

The total precipitation number is kind of funny to me. It’s almost like the international airport is on an island when it comes to rain. I know… it’s Florida… you can have heavy rain at one place and 2 miles down the road…nothing.

Total precipitation: 10.26″ (-9.54″) Driest on record, according to the Southeast Regional Climate Center. (Period of record at JAX goes back to 1948. “Normal” is taken from 1981-2010.)

The good news is… JAX has seen 36.09″ of rain for the year (+0.73″).

Random facts for “summer.” 

-Highest temperature was 99ºF on August 22.

-Lowest temperature was 62ºF on June 4.

-Greatest 24-hour precip. total was 1.72″ June 6-7. (again, comical…we’ve have some spots in northeast FL get 3+ inches of rain in one day with some of the storms.)

As for “fall”…. we go from average temperatures of 72ºF/89ºF on September 1….to 47ºF/70ºF on November 30.

Sunrise goes from 7:03 a.m. to 7:05 a.m.

Sunset goes from 7:49 p.m. to 5:26 p.m. !

“Fall” features the climatological peak of the Atlantic hurricane season: September 10.

Courtesy: NOAA
Courtesy: NOAA

It’s also National Preparedness Month. Here’s a FEMA Video.

Courtesy: FEMA
Courtesy: FEMA

Now I’m going to find a pumpkin…

 (Stats used courtesy of NOAA/NWS and the Southeast Regional Climate Center)


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