Miami in September
September in Miami brings highs around 89°F (32°C), lows near 77°F and about 18 rainy days. The sun sets around 7:26 pm. The sea is about 85°F (29°C). It's off season for sightseeing: hot and quieter.
Photo: Marc Averette, CC BY-SA 3.0
What September is good for in Miami
Each activity rated for September's weather and sea.
SnorkelingGood in September
Scuba divingGood in September
Cooking classesAny month
Boat toursFair in September
Sunset cruisesFair in September
Kayak toursFair in September
Zipline toursOff season in September
ATV toursOff season in September
Day tripsOff season in September
Food toursOff season in September
Walking toursOff season in September
Private toursOff season in September
Segway toursOff season in September
Helicopter toursOff season in September
Hot air balloon ridesOff season in September
September next to August and October
| Month | August | September | October |
|---|---|---|---|
| High | 91°F (33°C) | 89°F (32°C) | 86°F (30°C) |
| Low | 78°F (25°C) | 77°F (25°C) | 74°F (23°C) |
| Rainy days | 19 | 18 | 14 |
| Sea | 85°F | 85°F | 83°F |
| Sunset | 7:57 pm | 7:26 pm | 6:54 pm |
| Daylight | 13 h 03 min | 12 h 19 min | 11 h 34 min |
Averages for Miami International Airport, 1991−2020 normals, extremes 1895−present; sunrise and sunset on the 15th. Miami water temperature by month.
Tours in Miami
Speedboat Sightseeing Adventure of MiamiFrom $42View 
Miami Millionaires Sightseeing CruiseFrom $18View 
Miami Biscayne Bay rich and famous Sightseeing Boat TourFrom $25View 
City Half Day Tour of Miami by Bus with Sightseeing CruiseFrom $40View 
Miami City Tours – 5 Sites, 4 Stops, One Tour – 3.5 Hours of FunFrom $28View 
The Official Art Deco Walking Tour by The Miami Design Preservation LeagueFrom $50View
Tours from Viator. Good Outing may earn a commission when you book, at no cost to you.
Questions
Is September a good time to visit Miami?
It's off season for sightseeing: hot and quieter. The most comfortable months overall are January, February, March, November and December.
How hot is Miami in September?
Average highs are about 89°F (32°C) and lows about 77°F (25°C).
Does it rain much in Miami in September?
September averages 18 rainy days, against 19 in the wettest month.
How warm is the sea in Miami in September?
About 85°F (29°C). Warm enough for long swims and snorkeling.
