Miami Weather in September
United States · 30-year monthly averages
⚠️ Challenging time to visit
September in Miami is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 25°C (77°F). Expect roughly 260mm of precipitation spread over about 15 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
32°C
89°F
Avg low
25°C
77°F
Rainfall
260mm
very wet
Rainy days
15
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
September vs the rest of the year
FAQ
- How hot is Miami in September?
- September in Miami is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 25°C (77°F). Expect roughly 260mm of precipitation spread over about 15 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Miami in September?
- Miami sees around 260mm of precipitation in September on average — very wet by global standards.
- Is September a good time to visit Miami?
- September is a challenging month to visit Miami weather-wise — plan around the conditions.