Barrancabermeja weather in September

In September, Barrancabermeja sees average daytime highs of 30°C and overnight lows near 23°C, with 393 mm of rain across 27.1 wet days and about 12 hours of daylight. It is the 9th-warmest and 3rd-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 1% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Barrancabermeja's 10th-clearest and 2nd-windiest month. For the whole year in context, see Barrancabermeja's year-round climate.

Daytime high
30°
9th warmest
Overnight low
23°
5th coldest
Rainfall
393 mm
27.1 wet days
Daylight
12 hours
5:49 AM – 5:51 PM
Cloud cover
90%
10th clearest
Wind
4 km/h
2nd windiest
Solar energy
5.09 kWh/m²
Travel score
2.7
out of 10

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 Barrancabermeja reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023

How September really feels in Barrancabermeja

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.

Barrancabermeja weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°11516.711.63.9
Feb32° / 24°1361511.83.5
Mar32° / 24°26023.4122.8
Apr31° / 24°35726.912.22.6
May31° / 24°39028.712.32.6
Jun30° / 24°34126.512.42.7
Jul31° / 23°30424.912.42.9
Aug31° / 23°3292512.22.9
Sep30° / 23°39327.1122.7
Oct30° / 23°40629.311.82.6
Nov30° / 23°39428.711.72.7
Dec30° / 23°24423.711.63.4

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
3595
4595
5595
6595
7595
8595
9595
10595
11496
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22496
23496
24496
25496
26496
27496
28496
29496
30595

Chance of precipitation in September

Any precipitation

Barrancabermeja gets around 393 mm of rain over 27.1 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 90% and peaks near 94% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
186
286
386
486
587
687
787
888
988
1088
1189
1289
1389
1490
1590
1690
1791
1891
1991
2092
2192
2292
2392
2493
2593
2693
2793
2894
2994
3094

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
16040
26040
35941
45941
55842
65842
75743
85743
95743
105743
115743
125743
135743
145743
155743
165842
175842
185941
196040
206040
216139
226238
236337
246337
256436
266436
276535
286535
296535
306535

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 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 12 minutes over September. Sunrise moves from 5:51 AM to 5:46 AM, and sunset from 5:59 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:515:59
212.15:515:59
312.15:515:58
412.15:515:58
512.15:505:57
612.15:505:57
712.15:505:56
812.15:505:55
912.15:505:55
1012.15:505:54
1112.15:495:54
1212.15:495:53
1312.15:495:53
1412.15:495:52
1512.05:495:51
1612.05:495:51
1712.05:485:50
1812.05:485:50
1912.05:485:49
2012.05:485:49
2112.05:485:48
2212.05:485:47
2312.05:475:47
2412.05:475:46
2512.05:475:46
2612.05:475:45
2712.05:475:45
2812.05:475:44
2912.05:475:44
3011.95:465:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.09 kWh/m².

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 5.55 kWh/m² in February across the year — September's 5.09 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
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

Is September a good time to visit Barrancabermeja?

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

2.7
Sightseeing
7th-best month of the year
3.8
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Barrancabermeja.

What to pack for Barrancabermeja in September

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

In September, Barrancabermeja sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in Barrancabermeja 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 Barrancabermeja peaks around February 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 18UV 13Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Barrancabermeja 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 Barrancabermeja is worst in March — around 40 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (December, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1738 µg/m³Dec 1018 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb28Moderate
Mar40Poor
Apr29Moderate
May22Moderate
Jun20Moderate
Jul18Moderate
Aug18Moderate
Sep18Moderate
Oct18Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Barrancabermeja?

Barrancabermeja sits at 7.1°N, 73.9°W, 83 m above sea level, in Colombia. The nearest listed city is Yondó, 9.0 km away.

Topography around Barrancabermeja

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

Within 3 km, the terrain around Barrancabermeja has only modest variations in elevation — a maximum elevation change of 45 m around an average of 84 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 95 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,352 m.

The land around Barrancabermeja is covered by artificial surfaces (41%) and trees (38%) within 3 km, trees (56%) and grassland (32%) within 16 km, and trees (70%) and grassland (28%) within 80 km.

3 km
45 m
16 km
95 m
80 km
3,352 m
treesgrasslandartificial surfacesbare terrainwaterwetland
September weather nearby: Yondó 9.0 km · Puerto Wilches 32 km · Sabana de Torres 54 km · El Carmen de Chucurí 56 km · Girón 76 km · Bucaramanga 81 km · Cimitarra 84 km · Floridablanca 85 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 Barrancabermeja (7.0653°, -73.8547°, elevation 83 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).