Ciénaga weather in September

In September, Ciénaga sees average daytime highs of 28°C and overnight lows near 25°C, with 309 mm of rain across 25.8 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels oppressive.

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 Ciénaga's 11th-clearest and 12th-windiest month. For the whole year in context, see Ciénaga's year-round climate.

Daytime high
28°
6th warmest
Overnight low
25°
5th coldest
Rainfall
309 mm
25.8 wet days
Daylight
12 h 06 min
5:50 AM – 5:53 PM
Cloud cover
87%
11th clearest
Wind
8 km/h
12th windiest
Solar energy
5.07 kWh/m²
Travel score
3.6
out of 10
Air quality
Elevated
PM10 48 µg/m³ · 2014

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 28°C through the month.

A typical September day in Ciénaga reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825

How September really feels in Ciénaga

Once humidity and wind are folded in, September averages 9 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
9
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.

Ciénaga weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°213.711.47.7
Feb28° / 25°183.311.67.7
Mar28° / 25°407.111.96.6
Apr28° / 25°14017.712.24.7
May28° / 25°30525.312.53.6
Jun29° / 26°2202212.63.8
Jul28° / 26°18319.712.64.2
Aug28° / 26°22522.512.43.9
Sep28° / 25°30925.812.13.6
Oct28° / 25°3942811.83.6
Nov28° / 25°28724.211.54.1
Dec28° / 25°8712.411.46.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1892
2991
3991
4991
5991
6991
71090
81090
91189
101189
111189
121189
131189
141090
151090
161090
171090
18991
19892
20892
211090
221090
231090
241090
251090
261189
271189
281189
291189
301288

Chance of precipitation in September

Any precipitation

Ciénaga gets around 309 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 86% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
180
280
380
480
581
681
781
882
983
1083
1184
1285
1385
1486
1587
1687
1788
1888
1989
2089
2189
2290
2390
2490
2590
2690
2790
2890
2990
3090

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
16238
26238
36238
46139
56139
66139
76139
86139
96139
106238
116238
126238
136238
146238
156238
166238
176238
186238
196337
206337
216436
226436
236535
246535
256634
266733
276832
286931
296931
307030

Wind in September

Winds average 8 km/h in September, the calmest month.

Across September, daily wind ranges from about 8 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
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:50 AM to 5:49 AM, and sunset from 6:03 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:506:03
212.25:506:02
312.25:506:02
412.25:506:01
512.25:506:01
612.25:506:00
712.25:505:59
812.15:505:59
912.15:505:58
1012.15:505:57
1112.15:505:57
1212.15:505:56
1312.15:505:55
1412.15:505:54
1512.15:505:54
1612.15:505:53
1712.05:495:52
1812.05:495:52
1912.05:495:51
2012.05:495:50
2112.05:495:50
2212.05:495:49
2312.05:495:48
2412.05:495:48
2512.05:495:47
2612.05:495:46
2711.95:495:46
2811.95:495:45
2911.95:495:44
3011.95:495:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.07 kWh/m².

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 6.07 kWh/m² in March across the year — September's 5.07 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
Planning a trip in September

Hazard calendar for Ciénaga

In seasonPeak

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

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

Ciénaga's rainy season runs May–November, 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 Ciénaga?

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

3.6
Sightseeing
10th-best month of the year
4.1
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Ciénaga.

What to pack for Ciénaga in September

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

In September, Ciénaga sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Ciénaga 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 19 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
Jun28Tropical
Jul28Warm
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec27Warm

UV index in Ciénaga 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 Ciénaga peaks around April 11 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 highApr 11UV 13Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Ciénaga 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 Ciénaga is worst in June — around 28 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1728 µg/m³Nov 2011 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May25Moderate
Jun28Moderate
Jul26Moderate
Aug21Moderate
Sep16Moderate
Oct14Moderate
Nov11Good
Dec12Good
Location & terrain

Where is Ciénaga?

Ciénaga sits at 11.0°N, 74.2°W, 5 m above sea level, in Colombia. The nearest listed city is Puebloviejo, 4.0 km away.

Topography around Ciénaga

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

Within 3 km, the terrain around Ciénaga has only modest variations in elevation — a maximum elevation change of 23 m around an average of 4 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,185 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,613 m.

The land around Ciénaga is covered by water (34%) and artificial surfaces (22%) within 3 km, water (47%) and trees (36%) within 16 km, and water (37%), trees (34%) and grassland (20%) within 80 km.

3 km
23 m
16 km
1,185 m
80 km
5,613 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Puebloviejo 4.0 km · Santa Marta 26 km · El Retén 44 km · Aracataca 47 km · Fundación 55 km · Soledad 57 km · Sitionuevo 58 km · Barranquilla 58 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 Ciénaga (11.007°, -74.2476°, elevation 5 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).