Palm Beach weather in September

In September, Palm Beach sees average daytime highs of 28°C and overnight lows near 27°C, with 64 mm of rain across 11.5 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 30% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Palm Beach's 9th-clearest and 10th-windiest month. For the whole year in context, see Palm Beach's year-round climate.

Daytime high
28°
1st warmest
Overnight low
27°
12th coldest
Rainfall
64 mm
11.5 wet days
Daylight
12 h 06 min
6:32 AM – 6:37 PM
Cloud cover
62%
9th clearest
Wind
29 km/h
10th windiest
Solar energy
6.36 kWh/m²
Travel score
5.5
out of 10

Palm Beach is human settlement in Aruba.

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 28°C through the month.

A typical September day in Palm Beach reaches about 28°C in the afternoon and slips back to 27°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

24°26°28°30°32°151015202530
Avg high (°C)Avg low (°C)
12827
22827
32827
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252827
262827
272827
282827
292827
302827

How September really feels in Palm Beach

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

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
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.

Palm Beach weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°3210.111.37.2
Feb26° / 25°165.711.67.7
Mar26° / 25°123.611.97.9
Apr27° / 26°184.712.37.2
May27° / 26°254.912.67.0
Jun27° / 27°215.612.77.0
Jul27° / 27°226.112.77.1
Aug28° / 27°277.612.46.7
Sep28° / 27°6411.512.15.5
Oct28° / 27°11918.811.74.7
Nov28° / 26°13719.711.45.0
Dec27° / 26°6714.911.36.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25248
35248
45248
55248
65149
75050
84951
94951
104951
114951
124852
134753
144654
154456
164357
174258
184060
194060
203862
213862
223862
233763
243565
253565
263466
273466
283466
293466
303466

Chance of precipitation in September

Any precipitation

Palm Beach gets around 64 mm of rain over 11.5 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 39% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
132
232
333
433
533
634
734
834
935
1035
1135
1236
1336
1437
1537
1638
1739
1839
1940
2041
2141
2242
2343
2444
2545
2646
2746
2847
2948
3049

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the miserable band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1397
2397
3397
4397
5397
6397
7397
8397
9397
10397
11397
12397
13496
14496
15496
16496
17496
18496
19496
20496
21496
22595
23595
24595
25595
26595
27595
28595
29595
30694

Wind in September

Winds average 29 km/h in September.

Across September, daily wind ranges from about 28 km/h on the calmest days to 30 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
130windy
230windy
330windy
430windy
530windy
630windy
730windy
830windy
930windy
1029windy
1129windy
1229windy
1329windy
1429breezy
1529breezy
1629breezy
1729breezy
1829breezy
1929breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2528breezy
2628breezy
2728breezy
2828breezy
2928breezy
3028breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over September. Sunrise moves from 6:33 AM to 6:32 AM, and sunset from 6:47 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:336:47
212.26:336:47
312.26:336:46
412.26:336:45
512.26:336:44
612.26:336:44
712.26:336:43
812.26:336:42
912.26:336:42
1012.16:326:41
1112.16:326:40
1212.16:326:39
1312.16:326:39
1412.16:326:38
1512.16:326:37
1612.16:326:37
1712.16:326:36
1812.06:326:35
1912.06:326:34
2012.06:326:34
2112.06:326:33
2212.06:326:32
2312.06:326:31
2412.06:326:31
2512.06:326:30
2611.96:326:29
2711.96:326:29
2811.96:326:28
2911.96:326:27
3011.96:326:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.36 kWh/m².

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 6.73 kWh/m² in August across the year — September's 6.36 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Bright
305.9Bright
Planning a trip in September

Hazard calendar for Palm Beach

In seasonPeak

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

Palm Beach sits in the Atlantic hurricane belt; the season peaks August–October.

Palm Beach's rainy season runs September–December, 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 Palm Beach?

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

5.5
Sightseeing
10th-best month of the year
6.6
Beach & pool
9th-best month of the year

September is a reasonable time to visit Palm Beach for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Palm Beach in September

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

In September, Palm Beach sees daytime highs around 28°C and nights near 27°C. Pack light clothes, sun protection and a windbreaker. Worth having: rain gear. About 12 days see rain.

light clothessun protectiona windbreakerrain gear

Sea temperature near Palm Beach in September

The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 29°C and coldest in February near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun27Warm
Jul27Warm
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Palm Beach in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Palm Beach peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 24UV 13Dec 13UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Palm Beach 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 Palm Beach is worst in June — around 34 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1734 µg/m³Dec 1911 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar15Moderate
Apr20Moderate
May28Moderate
Jun34Moderate
Jul29Moderate
Aug22Moderate
Sep16Moderate
Oct14Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Palm Beach?

Palm Beach sits at 12.6°N, 70.0°W, 0 m above sea level, in Aruba. The nearest listed city is Noord, 1.0 km away.

Tanki LeendertOranjestadSanta CruzSavaneta

Topography around Palm Beach

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Palm Beach.

Within 3 km, the terrain around Palm Beach has only modest variations in elevation — a maximum elevation change of 69 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 184 m; within 80 km, significant variations in elevation — a maximum elevation change of 254 m.

The land around Palm Beach is covered by artificial surfaces (38%), water (26%) and shrubs (20%) within 3 km, water (83%) within 16 km, and water (85%) within 80 km.

3 km
69 m
16 km
184 m
80 km
254 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetland
September weather nearby: Noord 1.0 km · Tanki Leendert 4.0 km · Oranjestad 5.0 km · Santa Cruz 9.0 km · Savaneta 17 km · Pueblo Nuevo 70 km · Santa Cruz de los Taques 86 km · Judibana 91 km

Aruba travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / F
127 V · 60 Hz
Prices
≈ 75% of US
price level, 2024
GDP per capita
$38,591
2024
Homicide rate
1.9
per 100k, 2014
Income group
High
World Bank
Religion
Roman Catholic 75%other 12%none 6%Protestant 5%

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 Palm Beach (12.5685°, -70.0389°, elevation 0 m), 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).