Palm Bay, FL weather in September
Expect hot, oppressively humid weather with rain on most days in Palm Bay in September, with highs near 89°F and lows near 73°F. Rain falls on about 15 days. Pack rain gear.
- Normal high
- 89°F
- Normal low
- 73°F
- Wet days
- 15
- 8.6 in total
- Muggy days
- 30
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 90°F | 87°F |
| Normal low | 74°F | 72°F |
| Chance of a wet day | 52% | 47% |
| Sunrise / sunset | 7:01 am / 7:43 pm | 7:14 am / 7:09 pm |
| Daylight | 12.7 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am76°Fdew point 73°F
- 9 am83°Fdew point 74°F
- Noon86°Fdew point 73°F
- 3 pm85°Fdew point 73°F
- 6 pm82°Fdew point 73°F
- 9 pm80°Fdew point 73°F
NOAA hourly normals (local standard time) from Melbourne Intl Airport (5 mi away); average wind 8 mph; clear or few clouds in 33% of daytime hours, mostly cloudy or overcast in 35%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph16 of 30
- Hot dayshigh 90°F or more10 of 30
- Muggy daysdaily mean dew point 65°F or more30 of 30
- Wet daysat least 0.01 in of rain or melted snow15 of 30
- Notable rainat least 0.10 in10 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 8.6 in; a dry September brings about 5.1 in and a wet one about 10.1 in (25th and 75th percentiles). About 5 days bring half an inch or more, and about 3 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202018: average high 90°F
- Coolest September1994: average high 87°F
- Wettest September2017: 23.8 in
- Driest September2002: 1.8 in
- Highest reading96°F (September 7, 2019)
- Lowest reading60°F (September 29, 2006)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 91°F | 89°F | 84°F |
| Normal low | 73°F | 73°F | 68°F |
| Wet days | 16 | 15 | 11 |
| Comfortable days | 0 | 0 | 3 |
| Daylight | 13.1 h | 12.3 h | 11.5 h |
Highs change by -2°F from August and -5°F into October.
Nearby alternatives in September
- Drier: Gainesville, FL153 mi · high 88°F · 11 wet days
How Palm Bay ranks in September
- Normal high82nd warmest of 378 cities; 14th of 23 in Florida
- Wet days362nd driest of 378
- Comfortable days332nd most of 342
What to pack for Palm Bay in September
- Light, breathable clothing – highs near 89°F and about 30 muggy days
- A rain jacket or umbrella – rain on about 15 days
- A swimsuit – about 16 beach days
Heating and cooling
September has 0 heating degree days and 472 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How hot is Palm Bay in September?
The normal high is 89°F and the normal low is 73°F. From 1991 to 2020 the hottest September reading was 96°F (most recently on September 7, 2019).
Does it rain a lot in Palm Bay in September?
About 15 days in September have at least 0.01 in of precipitation, and the normal total is 8.6 in. The wettest September in 1991-2020 was in 2017 (23.8 in); the driest was in 2002 (1.8 in).
Is September a good time to visit Palm Bay?
September ranks 10th of 12 months on our comfort score for Palm Bay (38 out of 100). It has almost no comfortable days and about 10 days at 90°F or hotter. The best months are January, February and March.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Melbourne WFO (USC00085612), 6.8 mi NW of the city center, 35 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Melbourne Intl Airport (USW00012838), 5.3 mi NNW of the city center, 22 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Melbourne Intl Airport (722040-12838), 5.4 mi NNW of the city center, 22 ft . Hourly observations, 1991-2020.