Arcahaie weather in September

In September, Arcahaie sees average daytime highs of 30°C and overnight lows near 25°C, with 43 mm of rain across 8.3 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 29% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Arcahaie's 12th-clearest and 11th-windiest month. For the whole year in context, see Arcahaie's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
25°
10th coldest
Rainfall
43 mm
8.3 wet days
Daylight
12 h 06 min
5:41 AM – 5:48 PM
Cloud cover
60%
12th clearest
Wind
5 km/h
11th windiest
Solar energy
5.98 kWh/m²
Travel score
5.3
out of 10

Arcahaie is human settlement in Arcahaie, Haiti.

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 30°C through the month.

A typical September day in Arcahaie reaches about 30°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13026
23026
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925

How September really feels in Arcahaie

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.

Arcahaie weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 22°71.8118.4
Feb27° / 22°8211.48.2
Mar27° / 23°154.411.97.8
Apr28° / 23°277.212.47.1
May28° / 24°5712.212.95.6
Jun29° / 25°377.613.15.5
Jul30° / 26°214.7135.7
Aug30° / 26°365.812.65.5
Sep30° / 25°438.312.15.3
Oct29° / 25°489.211.65.7
Nov28° / 24°254.711.17.0
Dec28° / 23°81.810.98.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55347
65347
75347
85347
95347
105347
115248
125248
135248
145347
155248
165248
175248
185248
195149
205149
215050
225050
234951
244852
254852
264852
274852
284852
294951
304951

Chance of precipitation in September

Any precipitation

Arcahaie gets around 43 mm of rain over 8.3 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 28% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
124
224
324
424
524
624
724
824
924
1025
1125
1226
1327
1427
1528
1628
1729
1829
1930
2030
2131
2231
2331
2432
2532
2632
2732
2832
2932
3033

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
12971
22971
32971
42971
52971
62971
72971
82971
92971
102971
112971
122971
132971
142980
152980
162980
172980
182980
192980
202980
212980
223970
233970
243970
253970
263970
273970
283970
293970
303970

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 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 36 minutes over September. Sunrise moves from 5:39 AM to 5:44 AM, and sunset from 6:01 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:396:01
212.45:396:00
312.35:395:59
412.35:395:58
512.35:395:57
612.35:395:57
712.35:405:56
812.25:405:55
912.25:405:54
1012.25:405:53
1112.25:405:52
1212.25:415:51
1312.25:415:50
1412.15:415:49
1512.15:415:48
1612.15:415:48
1712.15:415:47
1812.15:425:46
1912.15:425:45
2012.05:425:44
2112.05:425:43
2212.05:425:42
2312.05:425:41
2412.05:435:40
2511.95:435:39
2611.95:435:38
2711.95:435:37
2811.95:435:37
2911.95:445:36
3011.85:445:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.98 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.73 kWh/m² in July across the year — September's 5.98 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
185.9Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
Planning a trip in September

Hazard calendar for Arcahaie

In seasonPeak

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

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

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

Is September a good time to visit Arcahaie?

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

5.3
Sightseeing
12th-best month of the year
7.1
Beach & pool
11th-best month of the year

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

What to pack for Arcahaie in September

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

In September, Arcahaie sees daytime highs around 30°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Arcahaie in September

The nearest coast averages about 30°C 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 17 km away) is warmest in September at about 30°C and coldest in February near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Arcahaie in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arcahaie peaks around March 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMar 21UV 12Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr11Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Arcahaie 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 Arcahaie is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (March, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2231 µg/m³Mar 1313 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar13Moderate
Apr15Moderate
May21Moderate
Jun31Moderate
Jul30Moderate
Aug26Moderate
Sep20Moderate
Oct20Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Arcahaie?

Arcahaie sits at 18.8°N, 72.5°W, 15 m above sea level, in Haiti. The nearest listed city is Gressier, 26 km away.

GressierDésarmesCarrefourPort-au-PrinceLéogâneVerrettesDelmasCroix-des-Bouquets

Topography around Arcahaie

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

Within 3 km, the terrain around Arcahaie has only modest variations in elevation — a maximum elevation change of 69 m around an average of 14 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,383 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Arcahaie is covered by water (46%) and trees (25%) within 3 km, water (53%) and grassland (34%) within 16 km, and grassland (43%) and water (35%) within 80 km.

3 km
69 m
16 km
1,383 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Gressier 26 km · Désarmes 28 km · Carrefour 29 km · Port-au-Prince 31 km · Léogâne 32 km · Verrettes 32 km · Delmas 34 km · Croix-des-Bouquets 37 km

Haiti travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B
110 V · 60 Hz
Prices
≈ 86% of US
price level, 2025
GDP per capita
$2,694
2025
Happiness
3.6 / 10
World Happiness, 2020
Homicide rate
41.2
per 100k, 2023
Road deaths
18.8
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 444
Religion
Catholic 55%Protestant 29%none 10%other 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 Arcahaie (18.7702°, -72.5123°, elevation 15 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).