Neiba weather in September

In September, Neiba sees average daytime highs of 30°C and overnight lows near 21°C, with 83 mm of rain across 15.2 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 25% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Neiba's 10th-clearest and 8th-windiest month. For the whole year in context, see Neiba's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
21°
11th coldest
Rainfall
83 mm
15.2 wet days
Daylight
12 h 06 min
6:37 AM – 6:43 PM
Cloud cover
62%
10th clearest
Wind
5 km/h
8th windiest
Solar energy
5.94 kWh/m²
Travel score
4.3
out of 10

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 Neiba reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021

How September really feels in Neiba

Once humidity and wind are folded in, September averages 17 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
17
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.

Neiba 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
Jan28° / 17°102.6118.0
Feb28° / 18°184.311.47.4
Mar28° / 19°501011.96.1
Apr29° / 20°8214.112.45.2
May29° / 20°11316.112.94.8
Jun29° / 21°5210.113.15.2
Jul30° / 21°398.7135.1
Aug30° / 21°7612.312.64.6
Sep30° / 21°8315.212.14.3
Oct29° / 21°9514.811.64.8
Nov29° / 20°488.411.16.0
Dec28° / 18°17310.97.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25149
35149
45149
55149
65248
75248
85149
95149
105149
115149
125050
135050
145050
155050
164951
174951
184852
194852
204753
214654
224555
234555
244456
254456
264357
274357
284357
294357
304456

Chance of precipitation in September

Any precipitation

Neiba gets around 83 mm of rain over 15.2 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 51% and peaks near 55% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
146
246
345
445
545
646
746
847
947
1048
1149
1250
1350
1451
1551
1652
1753
1853
1954
2054
2154
2255
2355
2455
2555
2654
2754
2854
2954
3053

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
138017
238017
338116
438116
538116
638215
738215
848115
948214
1048214
1148214
1248214
1348214
1448214
1548115
1648115
1748115
1848115
1938215
2038215
2138215
2238215
2338215
2438215
2538215
2638215
2738215
2838215
2938215
3038215

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 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
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 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over September. Sunrise moves from 6:34 AM to 6:39 AM, and sunset from 6:56 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:346:56
212.46:356:56
312.36:356:55
412.36:356:54
512.36:356:53
612.36:356:52
712.36:356:51
812.26:366:50
912.26:366:49
1012.26:366:49
1112.26:366:48
1212.26:366:47
1312.26:366:46
1412.16:376:45
1512.16:376:44
1612.16:376:43
1712.16:376:42
1812.16:376:41
1912.06:376:40
2012.06:386:39
2112.06:386:39
2212.06:386:38
2312.06:386:37
2412.06:386:36
2511.96:386:35
2611.96:396:34
2711.96:396:33
2811.96:396:32
2911.96:396:31
3011.96:396:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.94 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 6.72 kWh/m² in July across the year — September's 5.94 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Bright
156.0Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
Planning a trip in September

Hazard calendar for Neiba

In seasonPeak

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

Neiba 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 Neiba?

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

4.3
Sightseeing
12th-best month of the year
5.9
Beach & pool
12th-best month of the year

September is a reasonable time to visit Neiba for sightseeing.

What to pack for Neiba in September

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

In September, Neiba sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Neiba 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 at the nearest coast (about 59 km away) is warmest in September at about 29°C and coldest in February near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Neiba 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 Neiba peaks around March 23 at about 13 (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 highMar 23UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Neiba 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 Neiba is worst in June — around 30 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (February, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2230 µg/m³Feb 1014 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May21Moderate
Jun30Moderate
Jul29Moderate
Aug25Moderate
Sep22Moderate
Oct23Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Neiba?

Neiba sits at 18.5°N, 71.4°W, 50 m above sea level, in Dominican Republic. The nearest listed city is San Juan de la Maguana, 41 km away.

San Juan de la MaguanaLas Matas de FarfánSanta Cruz de BarahonaFond ParisienGrand GosierAzuaThomazeauConstanza

Topography around Neiba

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

Within 3 km, the terrain around Neiba has significant variations in elevation — a maximum elevation change of 303 m around an average of 54 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,018 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,109 m.

The land around Neiba is covered by trees (39%) and shrubs (27%) within 3 km, trees (39%) and grassland (21%) within 16 km, and trees (42%) and grassland (28%) within 80 km.

3 km
303 m
16 km
2,018 m
80 km
3,109 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: San Juan de la Maguana 41 km · Las Matas de Farfán 44 km · Santa Cruz de Barahona 46 km · Fond Parisien 59 km · Grand Gosier 63 km · Azua 72 km · Thomazeau 73 km · Constanza 85 km

Dominican Republic travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
120 V · 60 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$11,059
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
45%
of population, 2024
Homicide rate
10.9
per 100k, 2023
Road deaths
64.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 503

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 Neiba (18.4898°, -71.4189°, elevation 50 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).