Sangre Grande weather in September

In September, Sangre Grande sees average daytime highs of 31°C and overnight lows near 24°C, with 143 mm of rain across 23.4 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 6th-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 13% of the time in September, and the air most often feels oppressive.

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

Daytime high
31°
3rd warmest
Overnight low
24°
11th coldest
Rainfall
143 mm
23.4 wet days
Daylight
12 h 06 min
5:57 AM – 6:01 PM
Cloud cover
70%
8th clearest
Wind
9 km/h
11th windiest
Solar energy
5.75 kWh/m²
Travel score
3.0
out of 10

Sangre Grande is town at Trinidad.

Founded
1770

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 31°C through the month.

A typical September day in Sangre Grande reaches about 31°C in the afternoon and slips back to 24°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 33°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How September really feels in Sangre Grande

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.

Sangre Grande weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°521411.44.9
Feb30° / 23°3110.511.75.0
Mar31° / 23°351011.94.6
Apr31° / 24°4510.512.24.1
May31° / 24°7415.412.53.7
Jun30° / 24°14622.112.63.4
Jul30° / 24°15726.912.63.0
Aug31° / 24°17226.812.32.9
Sep31° / 24°14323.412.13.0
Oct31° / 24°17124.211.83.1
Nov30° / 24°18325.111.53.2
Dec29° / 23°1072011.44.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54258
64258
74159
84060
93961
103862
113664
123565
133466
143367
153268
163268
173268
183169
193268
203268
213268
223268
233268
243169
253268
263169
273070
283070
292971
302872

Chance of precipitation in September

Any precipitation

Sangre Grande gets around 143 mm of rain over 23.4 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 78% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
178
278
378
478
578
679
779
879
980
1080
1180
1281
1381
1481
1581
1680
1780
1880
1979
2078
2178
2277
2377
2476
2576
2676
2776
2876
2976
3077

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15347
25347
35347
45347
55347
65248
75248
85149
95149
105050
115050
125050
134951
144951
154951
165050
175050
185050
195149
205149
215248
225347
235347
245446
255446
265545
275545
285545
295446
305446

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 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
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 5:58 AM to 5:56 AM, and sunset from 6:10 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:586:10
212.25:586:10
312.25:586:09
412.25:586:09
512.25:586:08
612.25:586:07
712.15:586:07
812.15:586:06
912.15:586:05
1012.15:586:05
1112.15:576:04
1212.15:576:03
1312.15:576:03
1412.15:576:02
1512.15:576:01
1612.15:576:01
1712.05:576:00
1812.05:575:59
1912.05:575:59
2012.05:575:58
2112.05:575:57
2212.05:575:57
2312.05:575:56
2412.05:575:55
2512.05:575:55
2612.05:565:54
2711.95:565:53
2811.95:565:53
2911.95:565:52
3011.95:565:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.75 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 6.35 kWh/m² in April across the year — September's 5.75 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in September

Hazard calendar for Sangre Grande

In seasonPeak

In September, Sangre Grande sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Sangre Grande's rainy season runs June–December, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Sangre Grande?

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

3.0
Sightseeing
10th-best month of the year
4.4
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Sangre Grande.

What to pack for Sangre Grande in September

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

In September, Sangre Grande sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Sangre Grande 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 28 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
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Sangre Grande in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sangre Grande peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 21UV 14Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Sangre Grande 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 Sangre Grande is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1530 µg/m³Nov 2314 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar19Moderate
Apr23Moderate
May26Moderate
Jun31Moderate
Jul24Moderate
Aug18Moderate
Sep15Moderate
Oct17Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Sangre Grande?

Sangre Grande sits at 10.6°N, 61.1°W, 17 m above sea level, in Trinidad and Tobago. The nearest listed city is Arima, 18 km away.

ArimaParadiseTunapunaRio ClaroChaguanasLaventillePort of SpainMarabella

Topography around Sangre Grande

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

Within 3 km, the terrain around Sangre Grande has only modest variations in elevation — a maximum elevation change of 48 m around an average of 23 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 675 m; within 80 km, large variations in elevation — a maximum elevation change of 931 m.

The land around Sangre Grande is covered by trees (64%) and artificial surfaces (22%) within 3 km, trees (76%) within 16 km, and water (72%) and trees (21%) within 80 km.

3 km
48 m
16 km
675 m
80 km
931 m
treesgrasslandartificial surfaceswaterwetlandmangroves
September weather nearby: Arima 18 km · Paradise 26 km · Tunapuna 29 km · Rio Claro 32 km · Chaguanas 32 km · Laventille 41 km · Port of Spain 43 km · Marabella 47 km

Trinidad and Tobago travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
115 / 230 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$18,967
2025
Happiness
5.9 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
40.4
per 100k, 2022
Road deaths
9.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 32%Roman Catholic 22%Hindu 18%other 8%

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 Sangre Grande (10.587°, -61.1301°, 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. 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).