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Fort Myers in September: Weather, Average temperature and Climate

Discover the weather for Fort Myers in September and if it’s a good time to travel (based on historical data).
Check flight prices to Fort Myers on Avionero:
September

Weather in Fort Myers in September 2024

OK Weather
Hot
🌧️
Rainy
If you plan to visit Fort Myers in September, the weather is typically alright, with an average high temperature of +88°F during the day and approximately 8 sunny days. Expect some rainy, though, as there are typically 17 rainy days in the month and around 236 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • September is usually the wettest month of the year in Fort Myers;

Average weather

☀️
+88°F
Avg. max. temperature
+66°F
Min.
+95°F
Max.
236 mm
Total precipitation
79%
Avg. humidity
2 m/s
Avg. wind
8 ☀️
Sunny Days
5 ⛅️
Cloudy
17 🌦
Rainy
Our opinion: Fort Myers has OK weather in September.

Average temperature in Fort Myers in September

Here are the expected maximum, average and minimum temperatures in Fort Myers for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +90°F with a maximum of +95°F and a minimum of +68°F.

The average maximum temperature goes down 47% by the end of the month, compared with the beginning of the month, from +91°F to +79°F.

Is Fort Myers warm or cold in September?

Fort Myers is typically hot in September.

Maximum temperatures go down compared to the previous month from +90°F to +88°F. The minimum temperature also goes down from +77°F to +75°F.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

Take a look at how September is compared to other months in Fort Myers:

Climate in Fort Myers in September

Fort Myers weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+90°F+88°F+84°F
Min. temperature
+72°F+66°F+48°F
Max. temperature
+97°F+95°F+93°F
Rainfall
278 mm236 mm100 mm
Wind
2 m/s2 m/s3 m/s
Humidity
78%79%75%
Air pressure
1014 HPa1013 HPa1014 HPa
Sunny days
7815
Cloudy days
559
Rainy days
19177
Snowy days
000

September weather is still as ok as in August. It’s getting colder in September. From +90°F in the day, the average maximum temperature lowers to +88°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 278 mm to 236 mm. Humidity rises from 78% to 79%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 7 to 8.

But maybe it is worth considering traveling in October as the weather gets better.

Wind

Wind speed in Fort Myers in September based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 13 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Fort Myers is gradually increasing during September, going from 2 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Fort Myers based on historical data.
Last Year
Historical Data
Typically, there is a 90% chance of rain on an average day in September, with total rainfall of approximately 407 mm. The maximum amount of rainfall per day is around 107 mm, which is considered heavy rain. September is a pretty wet month with over 27 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Fort Myers wettest month is August, where a typical day has a 61% chance of precipitation and 278 mm of rainfall per day. December, on the other hand, is the driest month with a mere 13% chance of precipitation and 47 mm of rainfall per day.

How was the weather last September in Fort Myers?

This is the weather in Fort Myers in September 2023:
1 September
🌧️
+91°F
2 September
☀️
+90°F
3 September
☀️
+94°F
4 September
☀️
+95°F
5 September
☀️
+95°F
6 September
☀️
+93°F
7 September
☀️
+95°F
8 September
🌧️
+88°F
9 September
🌧️
+89°F
10 September
🌧️
+92°F
11 September
☀️
+92°F
12 September
☀️
+91°F
13 September
☀️
+89°F
14 September
☀️
+87°F
15 September
🌧️
+87°F
16 September
🌧️
+88°F
17 September
🌧️
+89°F
18 September
☀️
+87°F
19 September
☀️
+89°F
20 September
☀️
+90°F
21 September
☀️
+91°F
22 September
🌧️
+90°F
23 September
☀️
+94°F
24 September
☀️
+91°F
25 September
☀️
+92°F
26 September
☀️
+90°F
27 September
🌧️
+78°F
28 September
🌧️
+82°F
29 September
☁️
+79°F
30 September
☀️
+79°F
In September 2023 Fort Myers had 19 sunny days, 1 cloudy days, and 10 rainy days. The average maximum temperature was +90°F, with an absolute maximum of +95°F and a minimum of +79°F. The average humidity was 83%, with a maximum of 99% and a minimum of 51%. The average wind speed was 3 m/s, with a maximum of 28 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Fort Myers climate has changed over the last 43 years.

The climate in Fort Myers in September has not changed that much over the last 43 years.

The average temperature was the lowest in 2001 (+86°F) and the highest in 2019 (+94°F). The driest year was 1980 with only 113 mm of rainfall, and the wettest year was 2001 with 971 mm.

FAQ

Frequently asked questions about the weather in Fort Myers in September:

Is September a good time to visit Fort Myers?

It’s always a good time to visit Fort Myers, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Fort Myers in September?

Absolutely, September is hot in Fort Myers. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Fort Myers rainy in September?

Fort Myers is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Fort Myers in September?

Usually, it’s not very sunny in Fort Myers in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Fort Myers

Source of the data

For this page, we’ve looked at the typical weather in Fort Myers, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.