Climateby Month

Cape Coral, FL weather in September

NOAA 1991-2020 normals and daily records · Cape Coral all year

In September, Cape Coral sees highs around 90°F and lows around 74°F: hot and oppressively humid, with rain on most days. Expect about 16 wet days. Plan outdoor time for mornings and evenings.

Normal high
90°F
Normal low
74°F
Wet days
16
9.0 in total
Muggy days
30
dew point 65°F+

How September changes from start to finish

Normal values at the start and end of September
September 1September 30
Normal high91°F89°F
Normal low75°F73°F
Chance of a wet day56%43%
Sunrise / sunset7:07 am / 7:48 pm7:19 am / 7:15 pm
Daylight12.7 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 am75°Fdew point 73°F
  2. 9 am82°Fdew point 74°F
  3. Noon87°Fdew point 73°F
  4. 3 pm87°Fdew point 72°F
  5. 6 pm82°Fdew point 73°F
  6. 9 pm79°Fdew point 73°F

NOAA hourly normals (local standard time) from Ft Myers Page Fld Airport (6 mi away); average wind 6 mph; clear or few clouds in 49% of daytime hours, mostly cloudy or overcast in 28%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 30
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph17 of 30
  • Hot dayshigh 90°F or more20 of 30
  • Muggy daysdaily mean dew point 65°F or more30 of 30
  • Wet daysat least 0.01 in of rain or melted snow16 of 30
  • Notable rainat least 0.10 in11 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 9.0 in; a dry September brings about 6.8 in and a wet one about 10.8 in (25th and 75th percentiles). About 5 days bring half an inch or more, and about 3 an inch or more.

How September varies from year to year

  • Warmest September, 1991-20201996: average high 93°F
  • Coolest September2001: average high 86°F
  • Wettest September2003: 17.2 in
  • Driest September2019: 2.9 in
  • Highest reading97°F (September 7, 1996)
  • Lowest reading64°F (September 27, 1991)

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°F90°F87°F
Normal low75°F74°F69°F
Wet days18168
Comfortable days001
Daylight13.1 h12.3 h11.5 h

Highs change by -2°F from August and -3°F into October.

Nearby alternatives in September

How Cape Coral ranks in September

  • Normal high50th warmest of 378 cities; 4th of 23 in Florida
  • Wet days363rd driest of 378
  • Comfortable days323rd most of 342

What to pack for Cape Coral in September

  • Light, breathable clothing – highs near 90°F and about 30 muggy days
  • A rain jacket or umbrella – rain on about 16 days
  • A swimsuit – about 17 beach days

Heating and cooling

September has 0 heating degree days and 514 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.

Questions

How hot is Cape Coral in September?

The normal high is 90°F and the normal low is 74°F. From 1991 to 2020 the hottest September reading was 97°F (most recently on September 7, 1996).

Does it rain a lot in Cape Coral in September?

About 16 days in September have at least 0.01 in of precipitation, and the normal total is 9.0 in. The wettest September in 1991-2020 was in 2003 (17.2 in); the driest was in 2019 (2.9 in).

Is September a good time to visit Cape Coral?

September ranks 10th of 12 months on our comfort score for Cape Coral (31 out of 100). It has almost no comfortable days and about 20 days at 90°F or hotter. The best months are January and February.

Where the numbers come from

  • Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Ft Myers Page Fld Airport (USW00012835), 5.7 mi ENE of the city center, 15 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Punta Gorda 4 Ese (USC00087397), 25 mi N of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Page Field Airport (722106-12835), 5.7 mi ENE of the city center, 12 ft . Hourly observations, 1991-2020.