La Guaira weather in September

In September, La Guaira sees average daytime highs of 29°C and overnight lows near 21°C, with 191 mm of rain across 25.1 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 8% of the time in September, and the air most often feels muggy.

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 La Guaira's 8th-clearest and 12th-windiest month. For the whole year in context, see La Guaira's year-round climate.

Daytime high
29°
4th warmest
Overnight low
21°
10th coldest
Rainfall
191 mm
25.1 wet days
Daylight
12 h 06 min
5:50 AM – 5:54 PM
Cloud cover
76%
8th clearest
Wind
4 km/h
12th windiest
Solar energy
5.87 kWh/m²
Travel score
3.3
out of 10

La Guaira is city in Vargas state, Venezuela.

Density
17/km²
people per km²
Founded
1589

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 29°C through the month.

A typical September day in La Guaira reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°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)
12921
22921
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921

La Guaira weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°29911.46.1
Feb29° / 19°26711.65.8
Mar30° / 20°488.811.95.2
Apr30° / 21°1201612.24.1
May30° / 21°14519.612.53.7
Jun29° / 21°1071912.64.0
Jul29° / 21°13022.312.63.8
Aug29° / 21°18225.512.33.5
Sep29° / 21°19125.112.13.3
Oct29° / 21°2142711.83.3
Nov28° / 21°17924.111.53.8
Dec28° / 20°6114.911.45.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13070
22971
32971
42971
52971
62872
72872
82872
92773
102773
112674
122575
132575
142476
152377
162377
172377
182278
192179
202179
212179
222179
232080
242080
251981
261981
271981
281981
291981
301981

Chance of precipitation in September

Any precipitation

La Guaira gets around 191 mm of rain over 25.1 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 84% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
182
282
382
482
582
682
782
882
982
1082
1182
1283
1383
1483
1583
1684
1784
1884
1985
2085
2185
2285
2385
2485
2585
2685
2785
2885
2985
3085

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
127622
227622
327622
427622
527523
627424
727424
827325
927226
1027127
1127028
1226929
1326929
1416930
1516831
1616831
1716732
1816732
1916732
2016732
2116732
2216732
2306832
2406832
2516732
2616732
2716831
2816831
2916831
3016831

Wind in September

Winds average 4 km/h in September, the calmest month.

Across September, daily wind ranges from about 4 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
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 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 5:51 AM to 5:50 AM, and sunset from 6:04 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:516:04
212.25:516:03
312.25:516:02
412.25:516:02
512.25:516:01
612.25:516:00
712.15:516:00
812.15:515:59
912.15:515:58
1012.15:515:58
1112.15:515:57
1212.15:515:56
1312.15:515:56
1412.15:505:55
1512.15:505:54
1612.15:505:54
1712.05:505:53
1812.05:505:52
1912.05:505:52
2012.05:505:51
2112.05:505:50
2212.05:505:50
2312.05:505:49
2412.05:505:48
2512.05:505:48
2612.05:505:47
2711.95:505:46
2811.95:505:46
2911.95:505:45
3011.95:505:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.87 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 6.16 kWh/m² in March across the year — September's 5.87 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
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for La Guaira

In seasonPeak

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

La Guaira's rainy season runs April–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 La Guaira?

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

3.3
Sightseeing
11th-best month of the year
4.3
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in La Guaira.

What to pack for La Guaira in September

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

In September, La Guaira sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near La Guaira 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 offshore is warmest in September at about 29°C and coldest in February near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar25Warm
Apr26Warm
May27Warm
Jun27Warm
Jul27Warm
Aug28Warm
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in La Guaira 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 La Guaira peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 13UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in La Guaira 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 La Guaira is worst in June — around 33 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1133 µg/m³Jan 1113 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr28Moderate
May32Moderate
Jun33Moderate
Jul28Moderate
Aug24Moderate
Sep22Moderate
Oct21Moderate
Nov18Moderate
Dec14Moderate
Location & terrain

Where is La Guaira?

La Guaira sits at 10.6°N, 66.9°W, 15 m above sea level, in Venezuela. The nearest listed city is Maiquetía, 3.0 km away.

Topography around La Guaira

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

Within 3 km, the terrain around La Guaira has large variations in elevation — a maximum elevation change of 1,189 m around an average of 173 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,624 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,727 m.

The land around La Guaira is covered by water (48%) and trees (30%) within 3 km, water (48%) and trees (30%) within 16 km, and trees (50%) and water (35%) within 80 km.

3 km
1,189 m
16 km
2,624 m
80 km
2,727 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Maiquetía 3.0 km · Caraballeda 9.0 km · Catia La Mar 11 km · Caracas 14 km · Chacao 15 km · Los Dos Caminos 17 km · El Cafetal 19 km · Petare 19 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 La Guaira (10.6016°, -66.9329°, elevation 15 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).