Fort Myers SW Florida Regional Airport weather in September: Fort Myers SW Florida Regional Airport, Florida: normal highs, lows, rain and records for September

Fort Myers SW Florida Regional Airport in September has a normal high of 90°F and a normal low of 75°F, a daily mean of 82°F, falling from 91°F on the 1st to 89°F by the 30th. Measurable precipitation falls on 17 days in a normal September, 8.49 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 32°C and low of 24°C, 216 mm of precipitation in September.

  • NOAA stationFort Myers SW Florida Regional Airport
  • Station IDUSW00012894
  • Location26.54°N 81.75°W
  • Elevation31 ft (9 m)
  1. Jan 75° 54°
  2. Feb 78° 56°
  3. Mar 80° 59°
  4. Apr 85° 64°
  5. May 88° 68°
  6. Jun 90° 73°
  7. Jul 91° 75°
  8. Aug 91° 76°
  9. Sep 90° 75°
  10. Oct 86° 70°
  11. Nov 81° 63°
  12. Dec 77° 58°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Fort Myers SW Florida Regional Airport in September?

The normal high is 90°F and the normal low 75°F, for a daily mean of 82.3°F. September is 1.3°F cooler than August and 4.5°F warmer than October. September is the 3rd warmest month of the year in Fort Myers SW Florida Regional Airport and the 4th wettest. Across the month the normal high falls 2°F, from 91°F on September 1 to 89°F on September 30. From one year to the next September's mean temperature typically moves about 0.8°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 82°F and 83°F.

Fort Myers SW Florida Regional Airport in September, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 60%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 191°F76°F60%41%
September 891°F76°F57%40%
September 1590°F75°F54%36%
September 2289°F74°F49%32%
September 3089°F73°F42%26%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Fort Myers SW Florida Regional Airport: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 191°F76°F60%41%12 h 40 min
September 291°F76°F59%41%12 h 40 min
September 391°F76°F59%41%12 h 40 min
September 491°F76°F59%41%12 h 40 min
September 591°F76°F58%40%12 h 40 min
September 691°F76°F58%40%12 h 30 min
September 791°F76°F58%40%12 h 30 min
September 891°F76°F57%40%12 h 30 min
September 991°F76°F57%39%12 h 30 min
September 1090°F75°F57%39%12 h 30 min
September 1190°F75°F56%38%12 h 30 min
September 1290°F75°F55%38%12 h 30 min
September 1390°F75°F55%37%12 h 20 min
September 1490°F75°F54%37%12 h 20 min
September 1590°F75°F54%36%12 h 20 min
September 1690°F75°F53%36%12 h 20 min
September 1790°F75°F53%35%12 h 20 min
September 1890°F75°F52%35%12 h 20 min
September 1990°F75°F51%34%12 h 10 min
September 2090°F75°F51%34%12 h 10 min
September 2189°F74°F50%33%12 h 10 min
September 2289°F74°F49%32%12 h 10 min
September 2389°F74°F49%32%12 h 10 min
September 2489°F74°F48%31%12 h 10 min
September 2589°F74°F47%30%12 h 10 min
September 2689°F74°F46%29%12 h
September 2789°F74°F45%29%12 h
September 2889°F73°F45%28%12 h
September 2989°F73°F44%27%12 h
September 3089°F73°F42%26%12 h
Normal high
90°FSeptember average
Normal low
75°FSeptember average
Precipitation
8.49 inmonth total
Days with precipitation
170.01 inch or more
Days at 90°F or more
19
Daylight
12 h 40 min to 12 hSeptember 1 to September 30
Days at 70°F or more
30
Days at 80°F or more
29
Sunshine
78%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00012894; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Fort Myers SW Florida Regional Airport in September?

On a given September day the chance of 0.01 inch or more is 53% on average, highest around September 1 (60%). In all, 8.49 in falls on 17 days of a normal September, 3 of them with an inch or more.

In a normal September in Fort Myers SW Florida Regional Airport, 19 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012894.

How humid and windy is Fort Myers SW Florida Regional Airport in September?

At 3 p.m. the normal temperature is 86°F with 61% relative humidity and a dew point of 71°F; at 6 a.m. it is 74°F with 93% humidity. The wind averages 6.9 mph, most often from the east in the afternoon. A dew point of 65°F or more feels muggy to most people.

A normal September day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.74°F71°F93%5.0 mph79%
9 a.m.80°F73°F79%7.7 mph69%
noon86°F71°F62%8.8 mph–
3 p.m.86°F71°F61%9.9 mph45%
6 p.m.81°F71°F71%7.7 mph56%
9 p.m.77°F72°F83%5.9 mph71%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00012894. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for September in Fort Myers SW Florida Regional Airport?

The warmest September temperature on this station's record (since 1998) is 97°F, on September 7, 2022; the coldest is 65°F, on September 30, 2022. The wettest September brought 16.18 in (2022).

The September mean against the 1991-2020 normal of 82.3°F: 2021 81.3°F (−1.0), 2022 82.6°F (+0.3), 2023 82.3°F (at normal), 2024 83.8°F (+1.5), 2025 83.1°F (+0.8), 2026 82.1°F (−0.2). 3 of 6 ran warmer than normal.

Fort Myers SW Florida Regional Airport: September in recent years against the 1991-2020 normal
SeptemberMeanAgainst normalPrecip.
202181.3°F−1.0°F4.73 in
202282.6°F+0.3°F16.18 in
202382.3°Fat normal8.58 in
202483.8°F+1.5°F8.04 in
202583.1°F+0.8°F6.91 in
202682.1°F−0.2°F8.25 in

Source: records: ACIS, station USW00012894; recent months: ACIS, station USW00012894. Records and recent months use complete months only.

How does September in Fort Myers SW Florida Regional Airport compare across Florida?

Across the 106 places PlainClimate covers in Florida, September normal highs run from 86°F in Jacksonville Beach to 92°F in Plant City; Fort Myers SW Florida Regional Airport's is 90°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places