Désarmes weather in September

In September, Désarmes sees average daytime highs of 30°C and overnight lows near 23°C, with 160 mm of rain across 24.7 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 1st-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 17% 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 Désarmes's 12th-clearest and 9th-windiest month. For the whole year in context, see Désarmes's year-round climate.

Daytime high
30°
4th warmest
Overnight low
23°
9th coldest
Rainfall
160 mm
24.7 wet days
Daylight
12 h 06 min
5:41 AM – 5:47 PM
Cloud cover
66%
12th clearest
Wind
4 km/h
9th windiest
Solar energy
6.03 kWh/m²
Travel score
3.1
out of 10

Désarmes is human settlement in 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 Désarmes reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023

How September really feels in Désarmes

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.

Désarmes weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°154.8116.9
Feb29° / 20°195.411.46.5
Mar29° / 20°3910.111.95.8
Apr29° / 22°7116.212.44.7
May30° / 23°14120.912.93.9
Jun30° / 23°11420.313.13.6
Jul31° / 24°11120.4133.5
Aug31° / 24°13922.812.63.2
Sep30° / 23°16024.712.13.1
Oct30° / 23°13322.711.63.8
Nov29° / 21°6713.411.15.2
Dec29° / 20°174.610.96.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of September, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24456
34456
44555
54555
64555
74456
84456
94555
104456
114456
124456
134456
144555
154555
164555
174555
184456
194456
204357
214357
224357
234258
244258
254258
264159
274159
284258
294258
304258

Chance of precipitation in September

Any precipitation

Désarmes gets around 160 mm of rain over 24.7 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 82% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
180
280
380
480
580
680
781
881
981
1082
1182
1282
1383
1483
1584
1684
1784
1885
1985
2085
2185
2284
2384
2484
2583
2683
2782
2882
2981
3081

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
113861
213861
313861
413861
513861
612871
712880
812880
912880
1012880
1112880
1212880
1312880
1412880
1512880
1612880
1712880
1812880
1912880
2012880
2112880
2212880
2312880
2411890
2511890
2611890
2711890
2810900
2910900
3010900

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:38 AM to 5:43 AM, and sunset from 6:01 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:386:01
212.45:386:00
312.35:385:59
412.35:385:58
512.35:395:57
612.35:395:56
712.35:395:55
812.35:395:54
912.25:395:54
1012.25:405:53
1112.25:405:52
1212.25:405:51
1312.25:405:50
1412.15:405:49
1512.15:415:48
1612.15:415:47
1712.15:415:46
1812.15:415:45
1912.15:415:44
2012.05:415:43
2112.05:425:42
2212.05:425:42
2312.05:425:41
2412.05:425:40
2511.95:425:39
2611.95:435:38
2711.95:435:37
2811.95:435:36
2911.95:435:35
3011.85:435:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.03 kWh/m².

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 6.78 kWh/m² in July across the year — September's 6.03 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
86.2Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Bright
196.0Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Désarmes

In seasonPeak

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

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

Désarmes'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 Désarmes?

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

3.1
Sightseeing
12th-best month of the year
4.4
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Désarmes.

What to pack for Désarmes in September

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

In September, Désarmes sees daytime highs around 30°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Désarmes 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 28 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 Désarmes 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 Désarmes 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 Désarmes 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 Désarmes 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 Désarmes?

Désarmes sits at 19.0°N, 72.4°W, 81 m above sea level, in Haiti. The nearest listed city is Verrettes, 10 km away.

ArcahaieDessalinesSaint-MarcSaint-Michel de l'AtalayeHincheThomazeauCroix-des-Bouquets

Topography around Désarmes

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

Within 3 km, the terrain around Désarmes has only modest variations in elevation — a maximum elevation change of 232 m around an average of 90 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,673 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,342 m.

The land around Désarmes is covered by grassland (49%) and trees (30%) within 3 km, grassland (75%) and trees (20%) within 16 km, and grassland (49%) and water (26%) within 80 km.

3 km
232 m
16 km
1,673 m
80 km
2,342 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Verrettes 10 km · Arcahaie 28 km · Dessalines 33 km · Saint-Marc 35 km · Saint-Michel de l'Atalaye 42 km · Hinche 43 km · Thomazeau 49 km · Croix-des-Bouquets 49 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 Désarmes (18.9934°, -72.3906°, elevation 81 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).