Barranquilla weather in September

In September, Barranquilla sees average daytime highs of 29°C and overnight lows near 26°C, with 228 mm of rain across 25.8 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 29°C through the month. The sky is clear or mostly clear about 5% 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 Barranquilla's 12th-clearest and 12th-windiest month. For the whole year in context, see Barranquilla's year-round climate.

Daytime high
29°
1st warmest
Overnight low
26°
8th coldest
Rainfall
228 mm
25.8 wet days
Daylight
12 h 06 min
5:52 AM – 5:55 PM
Cloud cover
85%
12th clearest
Wind
11 km/h
12th windiest
Solar energy
5.55 kWh/m²
Travel score
3.3
out of 10
Air quality
Elevated
PM2.5 17 µg/m³ · 2018

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 Barranquilla reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°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)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926

How September really feels in Barranquilla

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.

Barranquilla 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° / 26°30.911.48.3
Feb28° / 25°20.511.68.3
Mar28° / 26°82.211.97.7
Apr28° / 26°468.812.25.7
May29° / 26°16620.812.54.0
Jun29° / 27°1401912.64.0
Jul29° / 27°10314.612.64.7
Aug29° / 27°15620.412.43.9
Sep29° / 26°22825.812.13.3
Oct29° / 26°27726.911.83.3
Nov28° / 26°16520.311.54.3
Dec28° / 26°38611.46.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21387
31387
41486
51486
61486
71387
81387
91387
101486
111387
121387
131387
141387
151387
161288
171288
181288
191288
201288
211288
221288
231486
241486
251387
261387
271486
281486
291486
301486

Chance of precipitation in September

Any precipitation

Barranquilla gets around 228 mm of rain over 25.8 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 85% and peaks near 91% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
178
279
379
479
580
680
781
881
982
1082
1183
1283
1384
1485
1586
1686
1787
1888
1989
2089
2190
2290
2390
2490
2591
2690
2790
2890
2990
3089

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1892
2892
3892
4991
5991
61090
71090
81189
91189
101288
111288
121387
131486
141486
151585
161585
171585
181684
191684
201684
211684
221684
231684
241684
251684
261684
271684
281684
291684
301783

Wind in September

Winds average 11 km/h in September, the calmest month.

Across September, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 5:52 AM to 5:51 AM, and sunset from 6:05 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:526:05
212.25:526:05
312.25:526:04
412.25:526:03
512.25:526:03
612.25:526:02
712.25:526:01
812.15:526:01
912.15:526:00
1012.15:525:59
1112.15:525:59
1212.15:525:58
1312.15:525:57
1412.15:525:57
1512.15:525:56
1612.15:525:55
1712.05:525:55
1812.05:525:54
1912.05:515:53
2012.05:515:53
2112.05:515:52
2212.05:515:51
2312.05:515:50
2412.05:515:50
2512.05:515:49
2612.05:515:48
2711.95:515:48
2811.95:515:47
2911.95:515:47
3011.95:515:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.55 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 6.63 kWh/m² in March across the year — September's 5.55 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Barranquilla

In seasonPeak

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

Barranquilla's monsoon runs August–November, when most of the year's rain falls.

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

Is September a good time to visit Barranquilla?

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
4.2
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Barranquilla.

What to pack for Barranquilla in September

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

In September, Barranquilla sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Barranquilla 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 20 km away) is warmest in September at about 29°C and coldest in February near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May28Warm
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec27Warm

UV index in Barranquilla 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 Barranquilla peaks around June 15 at about 13 (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 highJun 15UV 13Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Barranquilla 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 Barranquilla is worst in June — around 26 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Barranquilla's WHO annual average of 17 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1726 µg/m³Nov 1811 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar16Moderate
Apr20Moderate
May23Moderate
Jun26Moderate
Jul24Moderate
Aug19Moderate
Sep14Moderate
Oct12Moderate
Nov10Good
Dec12Good
Location & terrain

Where is Barranquilla?

Barranquilla sits at 11.0°N, 74.8°W, 24 m above sea level, in Colombia. The nearest listed city is Soledad, 6.0 km away.

Topography around Barranquilla

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

Within 3 km, the terrain around Barranquilla has only modest variations in elevation — a maximum elevation change of 83 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 184 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,484 m.

The land around Barranquilla is covered by artificial surfaces (81%) within 3 km, water (22%) within 16 km, and water (45%), grassland (24%) and trees (21%) within 80 km.

3 km
83 m
16 km
184 m
80 km
2,484 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Soledad 6.0 km · Malambo 12 km · Galapa 14 km · Puerto Colombia 19 km · Sabanagrande 20 km · Sitionuevo 22 km · Polonuevo 23 km · Santo Tomás 24 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 Barranquilla (10.9685°, -74.7813°, elevation 24 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).