Florida Ridge weather in September

In September, Florida Ridge sees average daytime highs of 87°F and overnight lows near 76°F, with 6.3 in of rain across 22 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 87°F through the month. The sky is clear or mostly clear about 18% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Florida Ridge's 11th-clearest and 9th-windiest month. For the whole year in context, see Florida Ridge's year-round climate.

Daytime high
87°
4th warmest
Overnight low
76°
10th coldest
Rainfall
6.3 in
22 wet days
Daylight
12 h 12 min
6:11 AM – 6:21 PM
Cloud cover
70%
11th clearest
Wind
6 mph
9th windiest
Solar energy
4.92 kWh/m²
Travel score
3.3
out of 10

Florida Ridge is census-designated place in Indian River County, Florida, United States.

Density
557/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 87°F through the month.

A typical September day in Florida Ridge reaches about 87°F in the afternoon and slips back to 76°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 84°F and 90°F. Set against its neighbours, September runs about 2°F cooler than August and about 4°F warmer than October.

70°80°90°151015202530
Avg high (°F)Avg low (°F)
18876
28876
38876
48876
58876
68876
78876
88876
98876
108876
118876
128776
138776
148776
158776
168776
178776
188775
198775
208775
218775
228775
238775
248775
258775
268675
278675
288675
298674
308674

How September really feels in Florida Ridge

Once humidity and wind are folded in, September averages 30 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
30
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Florida Ridge weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan73° / 56°1.96.410.57.4
Feb75° / 58°1.76.4117.5
Mar78° / 62°2.27.111.87.3
Apr82° / 66°2.37.712.66.5
May86° / 71°3.512.313.34.9
Jun88° / 75°7.221.913.73.1
Jul89° / 76°6.423.313.62.8
Aug89° / 77°7.125.4132.6
Sep87° / 76°6.32212.23.3
Oct84° / 71°3.812.811.35.4
Nov78° / 65°1.67.110.67.2
Dec74° / 60°1.45.410.37.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12971
22971
33070
43070
53169
63169
73268
83367
93367
103565
113565
123664
133664
143664
153862
163862
173862
183862
193961
203961
213961
223961
233961
244060
254060
264060
274159
284159
294258
304258

Chance of precipitation in September

Any precipitation

Florida Ridge gets around 6.3 in of rain over 22 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 73% and peaks near 81% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
181
281
381
481
581
681
780
879
978
1078
1177
1276
1375
1474
1573
1672
1771
1870
1969
2068
2168
2267
2367
2466
2566
2665
2764
2864
2963
3062

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the oppressive band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10025939
20035938
30036037
40036136
50036334
60036433
70046432
80046531
90046630
100056629
110056728
120066628
130066727
140076627
150076627
160086626
170086626
180096526
190196426
2001106425
2101106425
2201116424
2302116423
2402126422
2502136322
2603136321
2713146220
2814146219
2914156218
3015156217

Wind in September

Winds average 6 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over September. Sunrise moves from 6:04 AM to 6:18 AM, and sunset from 6:39 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:046:39
212.56:046:37
312.56:056:36
412.56:056:35
512.56:066:34
612.46:066:33
712.46:076:32
812.46:076:30
912.46:086:29
1012.36:086:28
1112.36:096:27
1212.36:096:26
1312.26:106:24
1412.26:106:23
1512.26:116:22
1612.26:116:21
1712.16:116:19
1812.16:126:18
1912.16:126:17
2012.06:136:16
2112.06:136:15
2212.06:146:13
2312.06:146:12
2411.96:156:11
2511.96:156:10
2611.96:166:09
2711.96:166:07
2811.86:176:06
2911.86:176:05
3011.86:186:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.92 kWh/m².

For context, solar energy here swings from a low near 3.1 kWh/m² to a high of 6.41 kWh/m² in May across the year — September's 4.92 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.5Bright
Planning a trip in September

Hazard calendar for Florida Ridge

In seasonPeak

In September, Florida Ridge sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Florida Ridge sits in the Atlantic hurricane belt; the season peaks August–October.

Florida Ridge's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Florida Ridge?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.3
Sightseeing
9th-best month of the year
4.8
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Florida Ridge.

What to pack for Florida Ridge in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Florida Ridge sees daytime highs around 87°F and nights near 76°F. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Florida Ridge in September

The nearest coast averages about 84°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 mi away) is warmest in August at about 84°F and coldest in February near 73°F.

The water stays above 68°F all year — warm enough for a swim any month.

70°75°80°85°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan74Refreshing
Feb73Refreshing
Mar74Refreshing
Apr76Warm
May79Warm
Jun81Warm
Jul83Tropical
Aug84Tropical
Sep84Tropical
Oct82Warm
Nov79Warm
Dec76Warm

UV index in Florida Ridge in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Florida Ridge peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 12UV 11Dec 18UV 4
UV index (midday)Level
Jan5Moderate
Feb7High
Mar9Very high
Apr9Very high
May10Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep9Very high
Oct8Very high
Nov5High
Dec4Moderate

Air quality in Florida Ridge in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Florida Ridge is worst in July — around 17 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1817 µg/m³Dec 156 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar9Good
Apr10Good
May10Good
Jun14Moderate
Jul17Moderate
Aug15Moderate
Sep10Good
Oct8Good
Nov6Good
Dec6Good
Location & terrain

Where is Florida Ridge?

Florida Ridge sits at 27.6°N, 80.4°W, 20 ft above sea level, in United States. The nearest listed city is Vero Beach South, 3.1 mi away.

Topography around Florida Ridge

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Florida Ridge.

Within 2 miles, the terrain around Florida Ridge has only modest variations in elevation — a maximum elevation change of 49 ft around an average of 23 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 148 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 200 ft.

The land around Florida Ridge is covered by trees (45%) and artificial surfaces (24%) within 2 miles, water (37%), grassland (29%) and trees (21%) within 10 miles, and water (38%), grassland (30%) and trees (22%) within 50 miles.

2 miles
49 ft
10 miles
148 ft
50 miles
200 ft
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Vero Beach South 3.1 mi · Vero Beach 4.3 mi · Fort Pierce 9.9 mi · Sebastian 17 mi · Port Saint Lucie 20 mi · Stuart 28 mi · Palm City 29 mi · Palm Bay 34 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Florida Ridge (27.5803°, -80.3867°, elevation 20 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).