Miami Beach weather in September: Miami Beach, Florida: normal highs, lows, rain and records for September
Miami Beach in September has a normal high of 87°F and a normal low of 77°F, a daily mean of 82°F, falling from 88°F on the 1st to 86°F by the 30th. Measurable precipitation falls on 15 days in a normal September, 8.45 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 25°C, 215 mm of precipitation in September.
- NOAA stationMiami Beach
- Station IDUSW00092811
- Location25.81°N 80.13°W
- Elevation1 ft (0 m)
- From the center1 miles
- Population83,251
- Jan 74° 61°
- Feb 75° 63°
- Mar 77° 65°
- Apr 80° 70°
- May 83° 74°
- Jun 86° 77°
- Jul 88° 78°
- Aug 88° 78°
- Sep 87° 77°
- Oct 84° 74°
- Nov 79° 69°
- Dec 76° 65°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Miami Beach in September?
The normal high is 87°F and the normal low 77°F, for a daily mean of 82.1°F. September is 1.0°F cooler than August and 3.1°F warmer than October. September is the 3rd warmest month of the year in Miami Beach and the wettest. Across the month the normal high falls 2°F, from 88°F on September 1 to 86°F on September 30. From one year to the next September's mean temperature typically moves about 0.9°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 81°F and 83°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 48%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 88°F | 78°F | 47% | 36% |
| September 8 | 88°F | 78°F | 48% | 36% |
| September 15 | 87°F | 77°F | 48% | 36% |
| September 22 | 87°F | 77°F | 47% | 36% |
| September 30 | 86°F | 77°F | 46% | 35% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 29)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 88°F | 78°F | 47% | 36% | 12 h 40 min |
| September 2 | 88°F | 78°F | 47% | 36% | 12 h 40 min |
| September 3 | 88°F | 78°F | 47% | 36% | 12 h 40 min |
| September 4 | 88°F | 78°F | 47% | 36% | 12 h 40 min |
| September 5 | 88°F | 78°F | 48% | 36% | 12 h 40 min |
| September 6 | 88°F | 78°F | 48% | 36% | 12 h 30 min |
| September 7 | 88°F | 78°F | 48% | 36% | 12 h 30 min |
| September 8 | 88°F | 78°F | 48% | 36% | 12 h 30 min |
| September 9 | 87°F | 77°F | 48% | 36% | 12 h 30 min |
| September 10 | 87°F | 77°F | 48% | 36% | 12 h 30 min |
| September 11 | 87°F | 77°F | 48% | 37% | 12 h 30 min |
| September 12 | 87°F | 77°F | 48% | 37% | 12 h 20 min |
| September 13 | 87°F | 77°F | 48% | 36% | 12 h 20 min |
| September 14 | 87°F | 77°F | 48% | 36% | 12 h 20 min |
| September 15 | 87°F | 77°F | 48% | 36% | 12 h 20 min |
| September 16 | 87°F | 77°F | 48% | 36% | 12 h 20 min |
| September 17 | 87°F | 77°F | 48% | 36% | 12 h 20 min |
| September 18 | 87°F | 77°F | 48% | 36% | 12 h 20 min |
| September 19 | 87°F | 77°F | 48% | 36% | 12 h 10 min |
| September 20 | 87°F | 77°F | 48% | 36% | 12 h 10 min |
| September 21 | 87°F | 77°F | 48% | 36% | 12 h 10 min |
| September 22 | 87°F | 77°F | 47% | 36% | 12 h 10 min |
| September 23 | 87°F | 77°F | 47% | 36% | 12 h 10 min |
| September 24 | 87°F | 77°F | 47% | 36% | 12 h 10 min |
| September 25 | 86°F | 77°F | 47% | 36% | 12 h 10 min |
| September 26 | 86°F | 77°F | 47% | 36% | 12 h |
| September 27 | 86°F | 77°F | 47% | 36% | 12 h |
| September 28 | 86°F | 77°F | 46% | 36% | 12 h |
| September 29 | 86°F | 77°F | 46% | 35% | 12 h |
| September 30 | 86°F | 77°F | 46% | 35% | 12 h |
- Normal high
- 87°FSeptember average
- Normal low
- 77°FSeptember average
- Precipitation
- 8.45 inmonth total
- Days with precipitation
- 150.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 12 h 40 min to 12 hSeptember 1 to September 30
- Days at 70°F or more
- 30
- Days at 80°F or more
- 30
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00092811; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Miami Beach in September?
On a given September day the chance of 0.01 inch or more is 48% on average, highest around September 11 (48%). In all, 8.45 in falls on 15 days of a normal September, 2 of them with an inch or more.
In a normal September in Miami Beach, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00092811.
What are the records for September in Miami Beach?
The warmest September temperature on this station's record (since 1927) is 96°F, on September 7, 1967; the coldest is 67°F, on September 18, 1985. The wettest September brought 19.79 in (1997).
The September mean against the 1991-2020 normal of 82.1°F: 2021 82.2°F (+0.1). 1 of 1 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 82.2°F | +0.1°F | 5.63 in |
Source: records: ACIS, station USW00092811; recent months: ACIS, station USW00092811. Records and recent months use complete months only.
How does September in Miami Beach compare across Florida?
Across the 106 places PlainClimate covers in Florida, September normal highs run from 86°F in Jacksonville Beach to 92°F in Plant City; Miami Beach's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Miami Beach in August88°F by day, 78°F at night
- Miami Beach in October84°F by day, 74°F at night
- Miami Beach through the yearEvery month, frost dates, records and recent years
- Florida in SeptemberThe statewide normal and the warmest and coolest places
- Plant City: Florida's warmest Septembernormal high 92°F