Ariguaní weather in September

In September, Ariguaní sees average daytime highs of 31°C and overnight lows near 23°C, with 208 mm of rain across 26 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-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 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 Ariguaní's 10th-clearest and 7th-windiest month. For the whole year in context, see Ariguaní's year-round climate.

Daytime high
31°
10th warmest
Overnight low
23°
5th coldest
Rainfall
208 mm
26 wet days
Daylight
12 h 06 min
5:49 AM – 5:52 PM
Cloud cover
90%
10th clearest
Wind
4 km/h
7th windiest
Solar energy
5.08 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 31°C through the month.

A typical September day in Ariguaní reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°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 about 1°C cooler than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303023

How September really feels in Ariguaní

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.

Ariguaní weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 22°132.211.53.8
Feb35° / 23°122.511.72.9
Mar35° / 24°408.211.92.6
Apr33° / 24°12618.212.22.5
May32° / 24°23125.112.52.6
Jun32° / 23°16421.812.62.8
Jul32° / 23°14220.412.52.9
Aug32° / 23°18024.612.32.6
Sep31° / 23°2082612.12.7
Oct30° / 22°24926.711.82.9
Nov30° / 22°19820.411.53.5
Dec32° / 22°589.511.44.2

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 5% of September, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5694
6694
7694
8694
9694
10694
11694
12694
13694
14694
15694
16694
17694
18694
19694
20694
21694
22694
23793
24793
25793
26793
27793
28694
29694
30694

Chance of precipitation in September

Any precipitation

Ariguaní gets around 208 mm of rain over 26 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 87% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
285
385
485
585
685
785
885
985
1085
1185
1285
1385
1485
1585
1686
1786
1886
1986
2087
2187
2287
2387
2487
2587
2687
2787
2887
2987
3087

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.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
16832
26832
36832
46832
56832
66733
76733
86733
96733
106733
116733
126733
136733
146733
156733
166733
176733
186832
196832
206832
216931
227030
237030
247129
257129
267228
277228
287327
297327
307426

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.

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
254calm
264calm
274calm
284calm
294calm
304calm

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 5:48 AM, and sunset from 6:02 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:506:02
212.25:506:01
312.25:506:00
412.25:506:00
512.25:495:59
612.25:495:59
712.15:495:58
812.15:495:57
912.15:495:57
1012.15:495:56
1112.15:495:55
1212.15:495:55
1312.15:495:54
1412.15:495:53
1512.15:495:53
1612.15:495:52
1712.05:495:51
1812.05:485:51
1912.05:485:50
2012.05:485:49
2112.05:485:49
2212.05:485:48
2312.05:485:47
2412.05:485:47
2512.05:485:46
2612.05:485:45
2711.95:485:45
2811.95:485:44
2911.95:485:44
3011.95:485:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.08 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.07 kWh/m² in March across the year — September's 5.08 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
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
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 Ariguaní

In seasonPeak

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

Ariguaní's rainy season runs April–November, when most of the year's rain falls.

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

Is September a good time to visit Ariguaní?

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

2.7
Sightseeing
8th-best month of the year
3.9
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Ariguaní.

What to pack for Ariguaní in September

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

In September, Ariguaní sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Ariguaní 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 Ariguaní peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 highApr 10UV 13Dec 12UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Ariguaní 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 Ariguaní is worst in March — around 51 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (December, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1748 µg/m³Dec 1114 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb26Moderate
Mar51Poor
Apr29Moderate
May25Moderate
Jun24Moderate
Jul24Moderate
Aug20Moderate
Sep17Moderate
Oct16Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Ariguaní?

Ariguaní sits at 10.3°N, 74.0°W, 136 m above sea level, in Colombia. The nearest listed city is El Copey, 12 km away.

Topography around Ariguaní

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

Within 3 km, the terrain around Ariguaní has only modest variations in elevation — a maximum elevation change of 86 m around an average of 146 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,166 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,655 m.

The land around Ariguaní is covered by trees (64%) and grassland (36%) within 3 km, trees (59%) and grassland (40%) within 16 km, and grassland (51%) and trees (43%) within 80 km.

3 km
86 m
16 km
1,166 m
80 km
5,655 m
treesshrubsgrasslandbare terrainwaterwetlandmangroves
September weather nearby: El Copey 12 km · Bosconia 33 km · Fundación 36 km · Aracataca 43 km · El Retén 50 km · Nueva Granada 66 km · Pivijay 71 km · Chivolo 73 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 Ariguaní (10.25°, -74°, elevation 136 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).