Buenaventura weather in September

In September, Buenaventura sees average daytime highs of 26°C and overnight lows near 21°C, with 2970 mm of rain across 30 wet days and about 12 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 0% 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 12 hours by month's end. Set against the rest of the year, September is Buenaventura's 12th-clearest and 9th-windiest month. For the whole year in context, see Buenaventura's year-round climate.

Daytime high: 26°; 11th warmest
Overnight low: 21°; 3rd coldest
Rainfall: 2970 mm; 30 wet days
Daylight: 12 hours; 6:02 AM – 6:03 PM
Cloud cover: 98%; 12th clearest
Wind: 4 km/h; 9th windiest
Solar energy: 3.09 kWh/m²
Travel score: 3.3; out of 10

← August Buenaventura year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Buenaventura reaches about 26°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, September runs on par with August and on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26
Avg low (°C)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

	Avg high (°C)	Avg low (°C)
1	26	21
2	26	21
3	26	21
4	26	21
5	26	21
6	26	21
7	26	21
8	26	21
9	26	21
10	26	21
11	26	21
12	26	21
13	26	21
14	26	21
15	26	21
16	26	21
17	26	21
18	26	21
19	26	21
20	26	21
21	26	21
22	26	21
23	26	21
24	26	21
25	26	21
26	26	21
27	26	21
28	26	21
29	26	21
30	26	21

Buenaventura weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 21°	1775	30.9	11.8	3.3
Feb	26° / 21°	1261	27.8	11.9	3.3
Mar	27° / 21°	1499	30.8	12	3.3
Apr	26° / 21°	2103	29.8	12.1	3.2
May	26° / 21°	2862	31	12.2	3.2
Jun	26° / 21°	3037	30	12.2	3.2
Jul	26° / 21°	3134	31	12.2	3.3
Aug	26° / 21°	3005	31	12.1	3.3
Sep	26° / 21°	2970	30	12	3.3
Oct	26° / 21°	2641	31	11.9	3.3
Nov	26° / 21°	2157	29.9	11.8	3.3
Dec	26° / 21°	1984	31	11.8	3.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 0% of September, with mostly cloudy or overcast conditions the remaining 100%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Cloudier (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Clearer (%)	Cloudier (%)
1	0	100
2	0	100
3	0	100
4	0	100
5	0	100
6	0	100
7	0	100
8	0	100
9	0	100
10	0	100
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

Chance of precipitation in September

Any precipitation

Buenaventura gets around 2970 mm of rain over 30 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 100% and peaks near 100% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Rain chance (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Muggy (%)	29	29	30	30	30	30	30	30	30	30	31	31	31	32	32	32	32	32	33	33	33	33	33	33	33	33	33	33	32	32
Oppressive (%)	71	71	70	70	70	70	70	70	70	70	69	69	69	68	68	68	68	68	67	67	67	67	67	67	67	67	67	67	68	68

	Muggy (%)	Oppressive (%)
1	29	71
2	29	71
3	30	70
4	30	70
5	30	70
6	30	70
7	30	70
8	30	70
9	30	70
10	30	70
11	31	69
12	31	69
13	31	69
14	32	68
15	32	68
16	32	68
17	32	68
18	32	68
19	33	67
20	33	67
21	33	67
22	33	67
23	33	67
24	33	67
25	33	67
26	33	67
27	33	67
28	33	67
29	32	68
30	32	68

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 4 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 6:06 AM to 5:58 AM, and sunset from 6:10 PM to 5:56 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0
Sunrise (AM)	6:06	6:05	6:05	6:05	6:05	6:04	6:04	6:04	6:04	6:03	6:03	6:03	6:03	6:02	6:02	6:02	6:01	6:01	6:01	6:01	6:00	6:00	6:00	6:00	5:59	5:59	5:59	5:59	5:58	5:58
Sunset (PM)	6:10	6:09	6:09	6:08	6:08	6:08	6:07	6:07	6:06	6:06	6:05	6:05	6:04	6:04	6:03	6:03	6:02	6:02	6:01	6:01	6:01	6:00	6:00	5:59	5:59	5:58	5:58	5:57	5:57	5:56

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	6:06	6:10
2	12.1	6:05	6:09
3	12.1	6:05	6:09
4	12.1	6:05	6:08
5	12.1	6:05	6:08
6	12.1	6:04	6:08
7	12.0	6:04	6:07
8	12.0	6:04	6:07
9	12.0	6:04	6:06
10	12.0	6:03	6:06
11	12.0	6:03	6:05
12	12.0	6:03	6:05
13	12.0	6:03	6:04
14	12.0	6:02	6:04
15	12.0	6:02	6:03
16	12.0	6:02	6:03
17	12.0	6:01	6:02
18	12.0	6:01	6:02
19	12.0	6:01	6:01
20	12.0	6:01	6:01
21	12.0	6:00	6:01
22	12.0	6:00	6:00
23	12.0	6:00	6:00
24	12.0	6:00	5:59
25	12.0	5:59	5:59
26	12.0	5:59	5:58
27	12.0	5:59	5:58
28	12.0	5:59	5:57
29	12.0	5:58	5:57
30	12.0	5:58	5:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.09 kWh/m².

For context, solar energy here swings from a low near 2.93 kWh/m² to a high of 3.97 kWh/m² in March across the year — September's 3.09 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	3.2	3.2	3.2	3.2	3.2	3.2	3.2	3.2	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.2	Moderate
2	3.2	Moderate
3	3.2	Moderate
4	3.2	Moderate
5	3.2	Moderate
6	3.2	Moderate
7	3.2	Moderate
8	3.2	Moderate
9	3.1	Moderate
10	3.1	Moderate
11	3.1	Moderate
12	3.1	Moderate
13	3.1	Moderate
14	3.1	Moderate
15	3.1	Moderate
16	3.1	Moderate
17	3.1	Moderate
18	3.1	Moderate
19	3.1	Moderate
20	3.1	Moderate
21	3.0	Moderate
22	3.0	Moderate
23	3.0	Moderate
24	3.0	Moderate
25	3.0	Moderate
26	3.0	Moderate
27	3.0	Moderate
28	3.0	Moderate
29	3.0	Moderate
30	3.0	Moderate

Planning a trip in September

Is September a good time to visit Buenaventura?

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

3.3

Sightseeing

1st-best month of the year

3.1

Beach & pool

11th-best month of the year

September is a weaker month for outdoor sightseeing in Buenaventura.

What to pack for Buenaventura in September

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

In September, Buenaventura sees daytime highs around 26°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 30 days see rain.

rain gearlight clothes

Sea temperature near Buenaventura in September

The nearest coast averages about 28°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 42 km away) is warmest in May at about 28°C and coldest in December near 27°C.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	27	27	27	28	28	28	28	28	28	28	27	27
Comfort	Warm	Warm	Warm	Warm	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Warm

	Sea temperature (°C)	Comfort
Jan	27	Warm
Feb	27	Warm
Mar	27	Warm
Apr	28	Warm
May	28	Tropical
Jun	28	Tropical
Jul	28	Warm
Aug	28	Warm
Sep	28	Warm
Oct	28	Warm
Nov	27	Warm
Dec	27	Warm

UV index in Buenaventura 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 Buenaventura peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 12 (extreme).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	15	16	12	14	12	12	12	13	14	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	16	Extreme
Apr	12	Extreme
May	14	Extreme
Jun	12	Extreme
Jul	12	Extreme
Aug	12	Extreme
Sep	13	Extreme
Oct	14	Extreme
Nov	12	Extreme
Dec	12	Extreme

Air quality in Buenaventura 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 Buenaventura is worst in March — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (August, 7 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	10	14	18	14	10	7	7	7	7	8	9	9
Level	Good	Moderate	Moderate	Moderate	Good	Good	Good	Good	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	10	Good
Feb	14	Moderate
Mar	18	Moderate
Apr	14	Moderate
May	10	Good
Jun	7	Good
Jul	7	Good
Aug	7	Good
Sep	7	Good
Oct	8	Good
Nov	9	Good
Dec	9	Good

Location & terrain

Where is Buenaventura?

Buenaventura sits at 3.6°N, 77.0°W, 7 m above sea level, in Colombia. The nearest listed city is Cali, 56 km away.

Topography around Buenaventura

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

Within 3 km, the terrain around Buenaventura has significant variations in elevation — a maximum elevation change of 535 m around an average of 219 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,920 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,003 m.

The land around Buenaventura is covered by trees (100%) within 3 km, trees (98%) within 16 km, and trees (67%) within 80 km.

3 km

535 m

trees 100%

16 km

1,920 m

trees 98%

80 km

4,003 m

trees 67%

treesgrasslandcroplandartificial surfaceswatermangroves

← August Buenaventura year-round climate October →Best places to visit in September

September weather nearby: Cali 56 km · Yumbo 56 km · Jamundí 63 km · Darien 69 km · Candelaria 75 km · Puerto Tejada 76 km · Guacarí 77 km · El Cerrito 77 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

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 Buenaventura (3.5833°, -77°, elevation 7 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).

	Avg high (°C)	Avg low (°C)
1	26	21
2	26	21
3	26	21
4	26	21
5	26	21
6	26	21
7	26	21
8	26	21
9	26	21
10	26	21
11	26	21
12	26	21
13	26	21
14	26	21
15	26	21
16	26	21
17	26	21
18	26	21
19	26	21
20	26	21
21	26	21
22	26	21
23	26	21
24	26	21
25	26	21
26	26	21
27	26	21
28	26	21
29	26	21
30	26	21

	Clearer (%)	Cloudier (%)
1	0	100
2	0	100
3	0	100
4	0	100
5	0	100
6	0	100
7	0	100
8	0	100
9	0	100
10	0	100
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

	Rain chance (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Muggy (%)	Oppressive (%)
1	29	71
2	29	71
3	30	70
4	30	70
5	30	70
6	30	70
7	30	70
8	30	70
9	30	70
10	30	70
11	31	69
12	31	69
13	31	69
14	32	68
15	32	68
16	32	68
17	32	68
18	32	68
19	33	67
20	33	67
21	33	67
22	33	67
23	33	67
24	33	67
25	33	67
26	33	67
27	33	67
28	33	67
29	32	68
30	32	68

	Avg high (°C)	Avg low (°C)
1	26	21
2	26	21
3	26	21
4	26	21
5	26	21
6	26	21
7	26	21
8	26	21
9	26	21
10	26	21
11	26	21
12	26	21
13	26	21
14	26	21
15	26	21
16	26	21
17	26	21
18	26	21
19	26	21
20	26	21
21	26	21
22	26	21
23	26	21
24	26	21
25	26	21
26	26	21
27	26	21
28	26	21
29	26	21
30	26	21

	Clearer (%)	Cloudier (%)
1	0	100
2	0	100
3	0	100
4	0	100
5	0	100
6	0	100
7	0	100
8	0	100
9	0	100
10	0	100
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

	Rain chance (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Muggy (%)	Oppressive (%)
1	29	71
2	29	71
3	30	70
4	30	70
5	30	70
6	30	70
7	30	70
8	30	70
9	30	70
10	30	70
11	31	69
12	31	69
13	31	69
14	32	68
15	32	68
16	32	68
17	32	68
18	32	68
19	33	67
20	33	67
21	33	67
22	33	67
23	33	67
24	33	67
25	33	67
26	33	67
27	33	67
28	33	67
29	32	68
30	32	68

	Avg high (°C)	Avg low (°C)
1	26	21
2	26	21
3	26	21
4	26	21
5	26	21
6	26	21
7	26	21
8	26	21
9	26	21
10	26	21
11	26	21
12	26	21
13	26	21
14	26	21
15	26	21
16	26	21
17	26	21
18	26	21
19	26	21
20	26	21
21	26	21
22	26	21
23	26	21
24	26	21
25	26	21
26	26	21
27	26	21
28	26	21
29	26	21
30	26	21

	Clearer (%)	Cloudier (%)
1	0	100
2	0	100
3	0	100
4	0	100
5	0	100
6	0	100
7	0	100
8	0	100
9	0	100
10	0	100
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

	Rain chance (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Muggy (%)	Oppressive (%)
1	29	71
2	29	71
3	30	70
4	30	70
5	30	70
6	30	70
7	30	70
8	30	70
9	30	70
10	30	70
11	31	69
12	31	69
13	31	69
14	32	68
15	32	68
16	32	68
17	32	68
18	32	68
19	33	67
20	33	67
21	33	67
22	33	67
23	33	67
24	33	67
25	33	67
26	33	67
27	33	67
28	33	67
29	32	68
30	32	68