San Carlos weather in September

In September, San Carlos sees average daytime highs of 30°C and overnight lows near 22°C, with 130 mm of rain across 24 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 5th-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 6% 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 San Carlos's 9th-clearest and 11th-windiest month. For the whole year in context, see San Carlos's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
3rd coldest
Rainfall
130 mm
24 wet days
Daylight
12 h 06 min
5:57 AM – 6:00 PM
Cloud cover
79%
9th clearest
Wind
4 km/h
11th windiest
Solar energy
4.97 kWh/m²
Travel score
3.3
out of 10

San Carlos is city in Cojedes, Venezuela.

Founded
1678

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 30°C through the month.

A typical September day in San Carlos reaches about 30°C in the afternoon and slips back to 22°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 32°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12922
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022

How September really feels in San Carlos

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.

San Carlos weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°92.411.54.2
Feb34° / 23°81.911.73.6
Mar34° / 23°264.611.93.0
Apr33° / 24°10613.112.23.0
May31° / 23°19422.912.43.1
Jun29° / 22°19324.512.63.3
Jul29° / 22°18026.312.53.4
Aug29° / 22°15726.312.33.3
Sep30° / 22°1302412.13.3
Oct31° / 22°12622.111.83.3
Nov31° / 23°961711.63.5
Dec32° / 22°386.711.44.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32476
42476
52476
62377
72377
82377
92278
102278
112278
122080
132080
141981
151981
161882
171882
181882
191783
201783
211783
221783
231783
241783
251783
261783
271684
281684
291783
301783

Chance of precipitation in September

Any precipitation

San Carlos gets around 130 mm of rain over 24 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 79% and peaks near 82% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
180
280
380
480
580
680
780
881
981
1081
1181
1281
1381
1482
1582
1682
1781
1881
1981
2080
2180
2279
2379
2478
2577
2676
2776
2875
2974
3074

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1397
2397
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15298
16298
17298
18298
19298
20298
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298

Wind in September

Winds average 4 km/h in September.

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
94calm
104calm
114calm
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 5:58 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
212.25:586:09
312.25:586:08
412.25:586:08
512.25:586:07
612.15:586:07
712.15:586:06
812.15:586:05
912.15:586:05
1012.15:586:04
1112.15:586:03
1212.15:576:03
1312.15:576:02
1412.15:576:02
1512.15:576:01
1612.15:576:00
1712.05:576:00
1812.05:575:59
1912.05:575:58
2012.05:575:58
2112.05:575:57
2212.05:575:56
2312.05:565:56
2412.05:565:55
2512.05:565:54
2612.05:565:54
2712.05:565:53
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 4.97 kWh/m².

For context, solar energy here swings from a low near 4.37 kWh/m² to a high of 5.75 kWh/m² in March across the year — September's 4.97 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Hazard calendar for San Carlos

In seasonPeak

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

San Carlos'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 San Carlos?

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

3.3
Sightseeing
6th-best month of the year
4.5
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in San Carlos.

What to pack for San Carlos in September

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

In September, San Carlos sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in San Carlos 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 San Carlos peaks around March 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 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 14UV 13Dec 10UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in San Carlos 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 San Carlos is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1031 µg/m³Dec 1815 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb21Moderate
Mar30Moderate
Apr30Moderate
May31Moderate
Jun32Moderate
Jul27Moderate
Aug23Moderate
Sep22Moderate
Oct22Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is San Carlos?

San Carlos sits at 9.7°N, 68.6°W, 134 m above sea level, in Venezuela. The nearest listed city is Las Vegas, 15 km away.

Topography around San Carlos

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

Within 3 km, the terrain around San Carlos has only modest variations in elevation — a maximum elevation change of 89 m around an average of 155 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 593 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,719 m.

The land around San Carlos is covered by trees (40%), artificial surfaces (36%) and grassland (23%) within 3 km, trees (56%) and grassland (39%) within 16 km, and trees (52%) and grassland (36%) within 80 km.

3 km
89 m
16 km
593 m
80 km
1,719 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Las Vegas 15 km · Tinaco 17 km · Tinaquillo 42 km · San Rafael de Onoto 42 km · El Pao 50 km · Nirgua 54 km · Miranda 58 km · Chivacoa 65 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 San Carlos (9.6641°, -68.5866°, elevation 134 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. 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).