Chinú weather in September

In September, Chinú sees average daytime highs of 31°C and overnight lows near 24°C, with 241 mm of rain across 28.4 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 1% 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 Chinú's 10th-clearest and 9th-windiest month. For the whole year in context, see Chinú's year-round climate.

Daytime high
31°
10th warmest
Overnight low
24°
5th coldest
Rainfall
241 mm
28.4 wet days
Daylight
12 hours
5:54 AM – 5:57 PM
Cloud cover
92%
10th clearest
Wind
6 km/h
9th windiest
Solar energy
4.81 kWh/m²
Travel score
2.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Chinú reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How September really feels in Chinú

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.

Chinú weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°297.711.53.8
Feb35° / 25°36811.72.9
Mar34° / 25°8115.611.92.5
Apr33° / 25°18825.412.22.2
May32° / 24°29229.112.42.2
Jun32° / 24°25627.312.52.3
Jul32° / 24°24127.112.52.4
Aug32° / 24°24627.912.32.3
Sep31° / 24°24128.412.12.3
Oct31° / 24°23829.211.82.4
Nov31° / 24°18326.611.62.6
Dec32° / 24°9017.411.53.4

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
3496
4496
5496
6496
7496
8595
9496
10496
11496
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22397
23496
24496
25496
26496
27496
28496
29496
30496

Chance of precipitation in September

Any precipitation

Chinú gets around 241 mm of rain over 28.4 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
293
393
493
593
693
794
894
994
1094
1194
1294
1394
1495
1595
1695
1795
1895
1995
2095
2195
2295
2395
2495
2595
2695
2795
2895
2995
3095

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
12278
22278
32278
42278
52278
62377
72377
82377
92476
102476
112476
122575
132575
142575
152575
162674
172674
182773
192872
202872
212971
222971
232971
243070
253070
263070
273070
283070
293070
303070

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:56 AM to 5:53 AM, and sunset from 6:07 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:566:07
212.25:566:06
312.25:566:05
412.25:566:05
512.15:566:04
612.15:566:04
712.15:556:03
812.15:556:02
912.15:556:02
1012.15:556:01
1112.15:556:01
1212.15:556:00
1312.15:555:59
1412.15:555:59
1512.15:555:58
1612.05:545:57
1712.05:545:57
1812.05:545:56
1912.05:545:56
2012.05:545:55
2112.05:545:54
2212.05:545:54
2312.05:545:53
2412.05:545:52
2512.05:535:52
2612.05:535:51
2712.05:535:51
2811.95:535:50
2911.95:535:49
3011.95:535:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.81 kWh/m².

For context, solar energy here swings from a low near 4.4 kWh/m² to a high of 5.67 kWh/m² in March across the year — September's 4.81 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Chinú?

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

2.3
Sightseeing
8th-best month of the year
3.5
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Chinú.

What to pack for Chinú in September

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

In September, Chinú sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Chinú in September

The nearest coast averages about 30°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 63 km away) is warmest in July at about 30°C and coldest in March near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

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

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 15UV 13Dec 13UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec10Very high

Air quality in Chinú 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 Chinú is worst in March — around 27 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2327 µg/m³Nov 1314 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb20Moderate
Mar27Moderate
Apr27Moderate
May24Moderate
Jun21Moderate
Jul23Moderate
Aug19Moderate
Sep16Moderate
Oct15Moderate
Nov14Moderate
Dec16Moderate
Location & terrain

Where is Chinú?

Chinú sits at 9.1°N, 75.4°W, 121 m above sea level, in Colombia. The nearest listed city is Sampués, 9.0 km away.

Topography around Chinú

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

Within 3 km, the terrain around Chinú has only modest variations in elevation — a maximum elevation change of 60 m around an average of 106 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 192 m; within 80 km, large variations in elevation — a maximum elevation change of 695 m.

The land around Chinú is covered by grassland (76%) within 3 km, grassland (84%) within 16 km, and grassland (67%) within 80 km.

3 km
60 m
16 km
192 m
80 km
695 m
treesgrasslandartificial surfaceswaterwetlandmangroves
September weather nearby: Sampués 9.0 km · Sahagún 18 km · Sincelejo 22 km · Corozal 26 km · San Luis de Sincé 32 km · Momil 34 km · Ciénaga de Oro 35 km · Tolú Viejo 39 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 Chinú (9.1057°, -75.3981°, elevation 121 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).