San Carlos weather in September

In September, San Carlos sees average daytime highs of 32°C and overnight lows near 24°C, with 226 mm of rain across 28.3 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels miserable.

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 10th-clearest and 9th-windiest month. For the whole year in context, see San Carlos's year-round climate.

Daytime high
32°
10th warmest
Overnight low
24°
5th coldest
Rainfall
226 mm
28.3 wet days
Daylight
12 hours
5:56 AM – 5:59 PM
Cloud cover
91%
10th clearest
Wind
5 km/h
9th windiest
Solar energy
4.77 kWh/m²
Travel score
2.3
out of 10

San Carlos is lungsod sa Colombia, Departamento de Córdoba.

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 32°C through the month.

A typical September day in San Carlos reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°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 on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

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
2 feel dangerously hot (≥ 39°C)
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 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°287.311.53.9
Feb34° / 25°337.311.73.0
Mar34° / 25°701511.92.5
Apr33° / 25°17024.512.22.2
May32° / 25°26529.112.42.2
Jun32° / 24°23827.412.52.2
Jul32° / 24°24027.912.52.3
Aug32° / 24°23328.112.32.2
Sep32° / 24°22628.312.12.3
Oct31° / 24°21829.111.82.3
Nov31° / 24°1682611.62.6
Dec32° / 24°8817.911.53.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 3% of September, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5595
6595
7496
8496
9496
10496
11496
12496
13496
14496
15496
16397
17496
18496
19496
20496
21496
22496
23496
24496
25496
26496
27496
28496
29397
30397

Chance of precipitation in September

Any precipitation

San Carlos gets around 226 mm of rain over 28.3 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
293
393
493
593
693
793
893
994
1094
1194
1294
1394
1494
1594
1694
1794
1895
1995
2095
2195
2295
2395
2495
2594
2694
2794
2894
2994
3094

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the miserable band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
12080
22080
32179
42179
52179
62179
72179
82278
92278
102377
112377
122377
132377
142377
152476
162476
172476
182575
192575
202674
212674
222674
232773
242773
252773
262773
272773
282773
292773
302872

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:57 AM to 5:54 AM, and sunset from 6:08 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:576:08
212.25:576:07
312.25:576:06
412.15:576:06
512.15:576:05
612.15:576:05
712.15:576:04
812.15:576:03
912.15:576:03
1012.15:566:02
1112.15:566:02
1212.15:566:01
1312.15:566:00
1412.15:566:00
1512.15:565:59
1612.05:565:59
1712.05:565:58
1812.05:555:57
1912.05:555:57
2012.05:555:56
2112.05:555:55
2212.05:555:55
2312.05:555:54
2412.05:555:54
2512.05:555:53
2612.05:555:52
2712.05:545:52
2811.95:545:51
2911.95:545:51
3011.95:545:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.77 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 5.5 kWh/m² in March across the year — September's 4.77 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

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).

2.3
Sightseeing
6th-best month of the year
3.5
Beach & pool
11th-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 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in San Carlos in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (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 June 14 at about 13 (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 highJun 14UV 13Dec 13UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Very 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 March — around 27 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2327 µg/m³Nov 1314 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb20Moderate
Mar27Moderate
Apr27Moderate
May24Moderate
Jun21Moderate
Jul23Moderate
Aug19Moderate
Sep16Moderate
Oct15Moderate
Nov14Moderate
Dec16Moderate
Location & terrain

Where is San Carlos?

San Carlos sits at 8.8°N, 75.7°W, 15 m above sea level, in Colombia. The nearest listed city is Ciénaga de Oro, 12 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 162 m around an average of 18 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 356 m; within 80 km, large variations in elevation — a maximum elevation change of 602 m.

The land around San Carlos is covered by grassland (84%) within 3 km, grassland (76%) within 16 km, and grassland (72%) within 80 km.

3 km
162 m
16 km
356 m
80 km
602 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Ciénaga de Oro 12 km · Cereté 14 km · Montería 20 km · Cotorra 29 km · Sahagún 33 km · Planeta Rica 45 km · Chinú 48 km · Momil 49 km

Colombia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 / 240 V · 60 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$8,562
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
74%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
15.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 480
Religion
Roman Catholic 64%Protestant 17%none 14%atheist 1%

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 (8.7958°, -75.6995°, 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. 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).