Your trips
Organize your trips easily with tabs
New York
Miami
Any date
+ Search
background

Miami in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Miami in September will be like? Take a look at our weather guide for Miami, based on historical data.
Check flight prices to Miami on Avionero:
September

Weather in Miami in September 2024

OK Weather
Warm
🌧️
Rainy
Miami in September usually sees fair weather conditions, with an average daily high temperature of +86°F and roughly 2 sunny days. However, you should prepare for about 16 rainy days with an average precipitation of 157 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • September is usually the wettest month of the year in Miami;

Average weather

☀️
+86°F
Avg. max. temperature
+68°F
Min.
+95°F
Max.
157 mm
Total precipitation
77%
Avg. humidity
2 m/s
Avg. wind
2 ☀️
Sunny Days
12 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Miami has OK weather in September.

Average temperature in Miami in September

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

The temperature in September is +90°F on average, with a range between a maximum of +93°F during the day and a minimum of +68°F at night.

The average maximum temperature goes down 36% by the end of the month, compared with the beginning of the month, from +91°F to +82°F.

Is Miami warm or cold in September?

Miami is typically warm in September.

Maximum temperatures go up compared to the previous month from +88°F to +86°F. The minimum temperature also goes down from +79°F to +79°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

September is one of the warmest months in Miami, here is the comparison with other months:

Climate in Miami in September

Miami weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+88°F+86°F+84°F
Min. temperature
+70°F+68°F+55°F
Max. temperature
+95°F+95°F+91°F
Rainfall
148 mm157 mm110 mm
Wind
2 m/s2 m/s3 m/s
Humidity
75%77%74%
Air pressure
1015 HPa1013 HPa1014 HPa
Sunny days
224
Cloudy days
141218
Rainy days
15169
Snowy days
000

September typically has worse weather conditions compared to August. It’s getting colder in September. From +88°F in the day, the average maximum temperature lowers to +86°F. Prepare for more rain. Average rainfall goes from 148 mm to 157 mm. Humidity rises from 75% to 77%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.

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

Wind

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

The average wind speed is 3 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Miami is gradually increasing during September, going from 2 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Miami 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 291 mm. The maximum amount of rainfall per day is around 98 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.
September is one of the rainiest months in Miami, here is a comparison with other months, total mm:
Miami wettest month is June, where a typical day has a 47% chance of precipitation and 162 mm of rainfall per day. February, on the other hand, is the driest month with a mere 14% chance of precipitation and 45 mm of rainfall per day.

How was the weather last September in Miami?

This is the weather in Miami in September 2023:
1 September
🌧️
+92°F
2 September
☁️
+91°F
3 September
🌧️
+91°F
4 September
☀️
+91°F
5 September
☁️
+92°F
6 September
☁️
+91°F
7 September
☁️
+93°F
8 September
☁️
+91°F
9 September
☁️
+92°F
10 September
☁️
+93°F
11 September
☁️
+93°F
12 September
☀️
+92°F
13 September
☀️
+90°F
14 September
⛈️
+87°F
15 September
🌧️
+88°F
16 September
☁️
+89°F
17 September
🌧️
+89°F
18 September
🌧️
+86°F
19 September
☁️
+86°F
20 September
☀️
+91°F
21 September
🌧️
+90°F
22 September
🌧️
+91°F
23 September
☀️
+92°F
24 September
☁️
+90°F
25 September
☀️
+90°F
26 September
🌧️
+88°F
27 September
🌧️
+81°F
28 September
🌧️
+85°F
29 September
☁️
+85°F
30 September
☀️
+83°F
In September 2023 Miami had 7 sunny days, 12 cloudy days, and 10 rainy days. The average maximum temperature was +90°F, with an absolute maximum of +93°F and a minimum of +81°F. The average humidity was 79%, with a maximum of 96% and a minimum of 55%. The average wind speed was 3 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

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

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

The average temperature was the lowest in 1983 (+85°F) and the highest in 2017 (+93°F). The driest year was 1988 with only 43 mm of rainfall, and the wettest year was 2020 with 553 mm.

FAQ

Frequently asked questions about the weather in Miami in September:

Is September a good time to visit Miami?

It’s always a good time to visit Miami, 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 Miami in September?

September is warm in Miami. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Miami rainy in September?

Miami 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 Miami in September?

Usually, it’s not very sunny in Miami 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 Miami

Source of the data

For this page, we’ve looked at the typical weather in Miami, 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.