Cariaco weather in September

In September, Cariaco sees average daytime highs of 31°C and overnight lows near 23°C, with 156 mm of rain across 22 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 19% 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 Cariaco's 9th-clearest and 11th-windiest month. For the whole year in context, see Cariaco's year-round climate.

Daytime high
31°
1st warmest
Overnight low
23°
10th coldest
Rainfall
156 mm
22 wet days
Daylight
12 h 06 min
5:37 AM – 5:40 PM
Cloud cover
68%
9th clearest
Wind
7 km/h
11th windiest
Solar energy
5.86 kWh/m²
Travel score
3.2
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 Cariaco reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123

How September really feels in Cariaco

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.

Cariaco 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
Jan28° / 21°4613.211.55.6
Feb29° / 21°3310.411.75.6
Mar29° / 22°429.311.95.4
Apr30° / 23°519.412.24.7
May31° / 23°7312.712.54.2
Jun30° / 23°10718.512.63.8
Jul30° / 23°13723.112.63.5
Aug31° / 23°18024.412.33.2
Sep31° / 23°1562212.13.2
Oct31° / 23°13821.811.83.3
Nov30° / 23°13421.111.53.7
Dec29° / 22°7817.411.44.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34555
44456
54456
64357
74357
84159
94060
103961
113763
123664
133664
143565
153367
163367
173367
183268
193268
203268
213367
223367
233268
243268
253268
263268
273268
283268
293367
303268

Chance of precipitation in September

Any precipitation

Cariaco gets around 156 mm of rain over 22 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 73% and peaks near 76% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
172
272
372
472
572
672
773
873
973
1074
1175
1275
1375
1476
1576
1676
1776
1876
1976
2075
2174
2274
2373
2472
2571
2670
2769
2869
2969
3068

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
14951
24951
34951
44951
54951
64951
74951
84951
94951
104942
114942
123952
133952
143952
153952
163952
173952
184942
194942
204942
214942
224942
234951
244951
254951
264951
274951
284951
294951
304951

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
278calm
288calm
298calm
308calm

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 5:38 AM to 5:36 AM, and sunset from 5:50 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:385:50
212.25:385:49
312.25:385:49
412.25:385:48
512.25:385:48
612.25:385:47
712.15:375:46
812.15:375:46
912.15:375:45
1012.15:375:44
1112.15:375:44
1212.15:375:43
1312.15:375:42
1412.15:375:42
1512.15:375:41
1612.15:375:40
1712.05:375:40
1812.05:375:39
1912.05:375:38
2012.05:375:38
2112.05:365:37
2212.05:365:36
2312.05:365:36
2412.05:365:35
2512.05:365:34
2612.05:365:34
2711.95:365:33
2811.95:365:32
2911.95:365:32
3011.95:365:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.86 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 6.03 kWh/m² in April across the year — September's 5.86 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Cariaco

In seasonPeak

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

Cariaco's rainy season runs June–November, 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 Cariaco?

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

3.2
Sightseeing
11th-best month of the year
4.7
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Cariaco.

What to pack for Cariaco in September

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

In September, Cariaco sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Cariaco in September

The nearest coast averages about 28°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 16 km away) is warmest in September at about 28°C and coldest in February near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb24Warm
Mar24Warm
Apr25Warm
May25Warm
Jun26Warm
Jul26Warm
Aug27Warm
Sep28Warm
Oct28Warm
Nov27Warm
Dec26Warm

UV index in Cariaco 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 Cariaco peaks around March 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 22UV 14Dec 13UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Cariaco 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 Cariaco is worst in June — around 28 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1228 µg/m³Jan 111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb15Moderate
Mar18Moderate
Apr25Moderate
May26Moderate
Jun28Moderate
Jul22Moderate
Aug17Moderate
Sep14Moderate
Oct15Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is Cariaco?

Cariaco sits at 10.5°N, 63.6°W, 16 m above sea level, in Venezuela. The nearest listed city is Casanay, 15 km away.

Topography around Cariaco

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

Within 3 km, the terrain around Cariaco has only modest variations in elevation — a maximum elevation change of 200 m around an average of 25 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 839 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,571 m.

The land around Cariaco is covered by trees (49%) and grassland (39%) within 3 km, trees (76%) within 16 km, and trees (44%) and water (36%) within 80 km.

3 km
200 m
16 km
839 m
80 km
2,571 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Casanay 15 km · Carúpano 38 km · Cumanacoa 49 km · Porlamar 62 km · Pampatar 62 km · Caripito 66 km · Cumaná 69 km · La Asunción 69 km

Venezuela travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 0% of US
price level, 2011
GDP per capita
$3,495
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
12.6
per 100k, 2022
Road deaths
39
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 520
Religion
Roman Catholic 48%Protestant 32%none 14%believer 4%

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 Cariaco (10.4968°, -63.5529°, elevation 16 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).