Gressier in Fall

In fall (September, October and November), Gressier sees average daytime highs around 28°C and overnight lows near 23°C, with 436 mm of rain over about 60 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.

Across fall, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 28% of the time across fall, and the air most often feels oppressive.

Fall is Gressier's 3rd-best season to visit on our travel score. Gressier has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Gressier's year-round climate.

Avg daytime high
28°C
2nd-warmest season
Avg overnight low
23°C
Rainfall
436 mm
60 wet days
Avg wind
4 km/h
Travel score
4.7
3rd-best season
Months
Sep · Oct · Nov

Temperature in Gressier in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 28°C.

A typical fall day in Gressier reaches about 28°C and drops to 23°C overnight. The warmest of the three months is September, the coolest November.

15°20°25°30°SepOctNov

How fall really feels in Gressier

Once humidity and wind are folded in, fall brings about 14 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
14
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Gressier weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°204.6117.8
Feb27° / 20°306.211.47.4
Mar27° / 21°7211.411.96.5
Apr27° / 22°12516.812.45.6
May28° / 23°18621.312.94.7
Jun29° / 23°1201813.14.5
Jul29° / 23°11819.6134.3
Aug29° / 24°15921.712.64.0
Sep29° / 23°18023.512.13.8
Oct28° / 23°16722.311.64.4
Nov27° / 22°9013.911.16.0
Dec27° / 20°316.510.97.4

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Gressier gets around 436 mm of rain over 60 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 4 km/h across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 24 min in early September to 11 hours by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 5.4 kWh/m².

0246SepOctNov
Planning a trip in fall

Hazard calendar for Gressier

In seasonPeak

In fall, Gressier overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Gressier 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 fall a good time to visit Gressier?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.7
Sightseeing
3rd-best month of the year
5.3
Beach & pool
4th-best month of the year

fall is a reasonable time to visit Gressier for sightseeing.

What to pack for Gressier in Fall

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

In fall, Gressier sees daytime highs around 28°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 60 days see rain.

light clothesrain gearsun protection

Sea temperature near Gressier in Fall

The nearest coast averages about 30°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 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 Gressier in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gressier peaks around August 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highHighAug 20UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul10Very high
Aug12Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Gressier in Fall

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Gressier 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 Gressier?

Gressier sits at 18.5°N, 72.5°W, 17 m above sea level, in Haiti. The nearest listed city is Léogâne, 12 km away.

Port-au-PrinceDelmasArcahaiePétionvilleKenscoffGrangwav

Topography around Gressier

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

Within 3 km, the terrain around Gressier has significant variations in elevation — a maximum elevation change of 275 m around an average of 46 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,500 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Gressier is covered by water (36%) and trees (33%) within 3 km, water (48%), grassland (27%) and trees (20%) within 16 km, and water (43%) and grassland (35%) within 80 km.

3 km
275 m
16 km
1,500 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
Fall weather nearby: Léogâne 12 km · Carrefour 13 km · Port-au-Prince 20 km · Delmas 24 km · Arcahaie 26 km · Pétionville 26 km · Kenscoff 28 km · Grangwav 29 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 Gressier (18.5409°, -72.5268°, elevation 17 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.