Tamboril weather in September

In September, Tamboril sees average daytime highs of 31°C and overnight lows near 22°C, with 95 mm of rain across 18.9 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 25% 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 Tamboril's 10th-clearest and 8th-windiest month. For the whole year in context, see Tamboril's year-round climate.

Daytime high
31°
1st warmest
Overnight low
22°
10th coldest
Rainfall
95 mm
18.9 wet days
Daylight
12 h 06 min
6:33 AM – 6:40 PM
Cloud cover
62%
10th clearest
Wind
8 km/h
8th windiest
Solar energy
5.97 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Tamboril reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°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)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123222
133222
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122

How September really feels in Tamboril

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.

Tamboril weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°5112.4116.4
Feb27° / 19°4410.811.36.4
Mar28° / 19°5812.411.95.8
Apr29° / 20°8115.612.44.8
May30° / 22°10318.212.94.0
Jun31° / 22°5715.213.23.8
Jul31° / 23°5716.513.13.8
Aug31° / 23°7217.712.73.5
Sep31° / 22°9518.912.13.4
Oct30° / 22°9518.611.63.9
Nov29° / 21°8617.611.14.8
Dec27° / 20°5413.210.86.1

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 (%)
14753
24753
34753
44753
54654
64753
74753
84753
94852
104852
114852
124951
134951
145050
155050
165050
175050
185050
195050
205050
215050
224951
235050
244951
254852
264852
274852
284753
294753
304753

Chance of precipitation in September

Any precipitation

Tamboril gets around 95 mm of rain over 18.9 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 63% and peaks near 67% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
161
260
360
460
559
659
759
859
960
1060
1161
1261
1362
1462
1563
1664
1765
1865
1966
2066
2167
2267
2366
2466
2565
2664
2764
2863
2962
3061

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
18911
28911
38911
48911
58911
68911
78911
88911
98911
108911
119901
129901
139901
149901
159901
169901
179901
1810891
1910891
2010891
2110891
2211881
2311881
2411881
2511881
2611881
2711881
2811881
2911881
3011881

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:30 AM to 6:36 AM, and sunset from 6:54 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:306:54
212.46:316:53
312.46:316:52
412.36:316:51
512.36:316:50
612.36:326:49
712.36:326:48
812.36:326:48
912.26:326:47
1012.26:326:46
1112.26:336:45
1212.26:336:44
1312.26:336:43
1412.16:336:42
1512.16:336:41
1612.16:336:40
1712.16:346:39
1812.16:346:38
1912.16:346:37
2012.06:346:36
2112.06:346:35
2212.06:356:34
2312.06:356:33
2412.06:356:33
2511.96:356:32
2611.96:366:31
2711.96:366:30
2811.96:366:29
2911.96:366:28
3011.86:366:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.97 kWh/m².

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 6.63 kWh/m² in June across the year — September's 5.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
166.0Bright
175.9Bright
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 Tamboril

In seasonPeak

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

Tamboril 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 Tamboril?

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

3.4
Sightseeing
12th-best month of the year
5.2
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Tamboril.

What to pack for Tamboril in September

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

In September, Tamboril sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Tamboril 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 43 km away) 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
Apr26Warm
May27Warm
Jun28Warm
Jul28Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Tamboril 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 Tamboril peaks around March 22 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 highHighMar 22UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in Tamboril 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 Tamboril is worst in June — around 30 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (February, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2030 µg/m³Feb 2016 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb16Moderate
Mar16Moderate
Apr18Moderate
May23Moderate
Jun30Moderate
Jul28Moderate
Aug25Moderate
Sep26Moderate
Oct27Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Tamboril?

Tamboril sits at 19.5°N, 70.6°W, 266 m above sea level, in Dominican Republic. The nearest listed city is Santiago de los Caballeros, 9.0 km away.

SalcedoRío GrandeMonte LlanoVilla BisonóLa VegaSosua

Topography around Tamboril

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

Within 3 km, the terrain around Tamboril has significant variations in elevation — a maximum elevation change of 312 m around an average of 292 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 997 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,073 m.

The land around Tamboril is covered by trees (60%) and grassland (24%) within 3 km, trees (70%) within 16 km, and trees (55%) and water (23%) within 80 km.

3 km
312 m
16 km
997 m
80 km
3,073 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Santiago de los Caballeros 9.0 km · Moca 14 km · Salcedo 24 km · Río Grande 26 km · Monte Llano 28 km · Villa Bisonó 29 km · La Vega 31 km · Sosua 31 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 Tamboril (19.4854°, -70.611°, elevation 266 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).