Colombia weather in September

In September, Colombia sees average daytime highs of 32°C and overnight lows near 24°C, with 138 mm of rain across 21.1 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 2nd-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 21% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Colombia's 11th-clearest and 12th-windiest month. For the whole year in context, see Colombia's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
24°
10th coldest
Rainfall
138 mm
21.1 wet days
Daylight
12 h 06 min
6:00 AM – 6:08 PM
Cloud cover
65%
11th clearest
Wind
9 km/h
12th windiest
Solar energy
5.82 kWh/m²
Travel score
2.8
out of 10

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 Colombia 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 31°C and 34°C. Set against its neighbours, September runs about 1°C cooler than August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224

How September really feels in Colombia

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.

Colombia weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°153.210.96.7
Feb30° / 20°172.911.36.4
Mar30° / 21°184.511.95.7
Apr32° / 22°437.512.54.6
May32° / 23°14816.2133.5
Jun32° / 24°12418.713.33.0
Jul33° / 25°9316.913.12.9
Aug33° / 25°11318.712.72.7
Sep32° / 24°13821.112.12.8
Oct31° / 24°1151811.53.7
Nov30° / 22°468.8115.4
Dec29° / 21°243.910.76.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24753
34654
44654
54753
64753
74753
84654
94753
104753
114654
124654
134654
144555
154555
164456
174456
184357
194357
204258
214258
224060
234060
244060
253961
263961
273862
283862
293961
304060

Chance of precipitation in September

Any precipitation

Colombia gets around 138 mm of rain over 21.1 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 70% and peaks near 73% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
168
268
368
468
568
668
768
868
968
1068
1168
1269
1369
1470
1570
1671
1771
1872
1972
2073
2173
2273
2373
2473
2573
2673
2772
2872
2971
3070

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
118316
218415
318415
418415
518415
618415
718415
808416
908416
1008416
1108416
1208416
1308416
1408416
1508317
1608317
1708317
1808317
1908416
2008416
2108416
2208515
2308515
2408515
2508515
2608614
2708614
2808614
2908614
3008614

Wind in September

Winds average 9 km/h in September, the calmest month.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over September. Sunrise moves from 5:57 AM to 6:04 AM, and sunset from 6:22 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:576:22
212.45:576:21
312.45:576:20
412.45:586:19
512.35:586:18
612.35:586:17
712.35:586:16
812.35:596:15
912.35:596:14
1012.25:596:13
1112.25:596:13
1212.25:596:12
1312.26:006:11
1412.26:006:10
1512.16:006:09
1612.16:006:08
1712.16:016:07
1812.16:016:06
1912.16:016:05
2012.06:016:04
2112.06:026:03
2212.06:026:02
2312.06:026:01
2412.06:026:00
2511.96:035:59
2611.96:035:58
2711.96:035:57
2811.96:045:56
2911.96:045:55
3011.86:045:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.82 kWh/m².

For context, solar energy here swings from a low near 4.04 kWh/m² to a high of 6.82 kWh/m² in July across the year — September's 5.82 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.0Intense
76.0Intense
86.0Intense
96.0Bright
106.0Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.7Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
Planning a trip in September

Hazard calendar for Colombia

In seasonPeak

In September, Colombia sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Colombia sits in the Atlantic hurricane belt; the season peaks August–October.

Colombia's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Colombia?

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

2.8
Sightseeing
11th-best month of the year
4.7
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Colombia.

What to pack for Colombia in September

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

In September, Colombia sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Colombia in September

The nearest coast averages about 31°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 40 km away) is warmest in August at about 31°C and coldest in January near 25°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar26Warm
Apr27Warm
May29Tropical
Jun30Tropical
Jul30Tropical
Aug31Tropical
Sep31Tropical
Oct30Tropical
Nov28Warm
Dec26Warm

UV index in Colombia in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Colombia peaks around June 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJun 16UV 12Dec 14UV 6
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov7High
Dec6High

Air quality in Colombia 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 Colombia is worst in June — around 25 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2125 µg/m³Dec 147 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr13Moderate
May14Moderate
Jun25Moderate
Jul23Moderate
Aug19Moderate
Sep15Moderate
Oct12Good
Nov8Good
Dec7Good
Location & terrain

Where is Colombia?

Colombia sits at 21.0°N, 77.4°W, 59 m above sea level, in Cuba. The nearest listed city is Guáimaro, 11 km away.

Nuevitas

Topography around Colombia

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

Within 3 km, the terrain around Colombia has only modest variations in elevation — a maximum elevation change of 36 m around an average of 67 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, significant variations in elevation — a maximum elevation change of 317 m.

The land around Colombia is covered by grassland (53%) and cropland (20%) within 3 km, trees (58%) and grassland (36%) within 16 km, and trees (41%), grassland (28%) and water (24%) within 80 km.

3 km
36 m
16 km
177 m
80 km
317 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Guáimaro 11 km · Jobabo 17 km · Amancio 24 km · Sibanicú 30 km · Las Tunas 49 km · Jimaguayú 50 km · Minas 59 km · Nuevitas 64 km

Cuba travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C / L
110 V · 60 Hz
Prices
≈ 39% of US
price level, 2011
GDP per capita
$9,605
2020
Happiness
5.4 / 10
World Happiness, 2011
Homicide rate
4.5
per 100k, 2019
Road deaths
8.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 515
Religion
Christian 59%none 23%folk religion 18%

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 Colombia (20.9855°, -77.4256°, elevation 59 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).