Líbano weather in September

In September, Líbano sees average daytime highs of 27°C and overnight lows near 16°C, with 45 mm of rain across 8.5 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 4% of the time in September, and the air most often feels dry.

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 Líbano's 6th-clearest and 4th-windiest month. For the whole year in context, see Líbano's year-round climate.

Daytime high
27°
1st warmest
Overnight low
16°
6th coldest
Rainfall
45 mm
8.5 wet days
Daylight
12 hours
5:54 AM – 5:55 PM
Cloud cover
81%
6th clearest
Wind
5 km/h
4th windiest
Solar energy
5.46 kWh/m²
Travel score
6.2
out of 10

Líbano is human settlement in Tolima Department, Columbia.

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 27°C through the month.

A typical September day in Líbano reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292716
302616

Líbano weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 15°536.311.77.1
Feb26° / 16°547.911.86.6
Mar26° / 16°10713.7125.8
Apr25° / 16°1411612.15.2
May25° / 16°12716.512.25.3
Jun26° / 16°25712.36.5
Jul26° / 16°184.312.37.0
Aug27° / 16°184.312.26.9
Sep27° / 16°458.5126.2
Oct26° / 16°16215.511.95.5
Nov25° / 16°17215.611.85.6
Dec25° / 16°871011.76.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11585
21585
31585
41585
51585
61585
71585
81585
91585
101585
111486
121486
131486
141486
151486
161387
171387
181387
191288
201288
211189
221090
231090
241090
251090
26991
27991
28991
29991
30991

Chance of precipitation in September

Any precipitation

Líbano gets around 45 mm of rain over 8.5 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 28% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
118
219
319
420
520
621
722
823
924
1024
1125
1226
1327
1428
1529
1629
1730
1831
1931
2032
2132
2233
2334
2434
2535
2636
2736
2837
2938
3038

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
163352
262362
361363
460373
560373
659383
758393
858393
957403
1056413
1154424
1253434
1352444
1451454
1550464
1649475
1747485
1846495
1945505
2044506
2142526
2241536
2340537
2439547
2538548
2637549
2736559
28355510
29345511
30345412

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 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
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:57 AM to 5:51 AM, and sunset from 6:03 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:576:03
212.15:576:02
312.15:576:02
412.15:566:01
512.15:566:01
612.15:566:00
712.15:566:00
812.15:565:59
912.15:555:59
1012.15:555:58
1112.05:555:58
1212.05:555:57
1312.05:545:57
1412.05:545:56
1512.05:545:56
1612.05:545:55
1712.05:545:55
1812.05:535:54
1912.05:535:54
2012.05:535:53
2112.05:535:53
2212.05:525:52
2312.05:525:52
2412.05:525:51
2512.05:525:51
2612.05:525:50
2712.05:515:50
2812.05:515:49
2912.05:515:49
3012.05:515:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.46 kWh/m².

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 5.61 kWh/m² in August across the year — September's 5.46 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Líbano?

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

6.2
Sightseeing
7th-best month of the year
6.3
Beach & pool
5th-best month of the year

September is a reasonable time to visit Líbano for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Líbano in September

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

In September, Líbano sees daytime highs around 27°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Líbano in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Líbano peaks around February 20 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 16Dec 13UV 12
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr13Extreme
May15Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep15Extreme
Oct15Extreme
Nov13Extreme
Dec12Extreme

Air quality in Líbano 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 Líbano is worst in March — around 31 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1730 µg/m³Jul 1320 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb26Moderate
Mar31Moderate
Apr27Moderate
May23Moderate
Jun21Moderate
Jul20Moderate
Aug23Moderate
Sep24Moderate
Oct21Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Líbano?

Líbano sits at 4.9°N, 75.1°W, 1,575 m above sea level, in Colombia. The nearest listed city is Lérida, 18 km away.

Topography around Líbano

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

Within 3 km, the terrain around Líbano has large variations in elevation — a maximum elevation change of 940 m around an average of 1,648 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,468 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,098 m.

The land around Líbano is covered by trees (73%) and grassland (21%) within 3 km, trees (73%) and grassland (27%) within 16 km, and trees (66%) and grassland (30%) within 80 km.

3 km
940 m
16 km
3,468 m
80 km
5,098 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Lérida 18 km · Padua 25 km · Fresno 26 km · San Sebastián de Mariquita 36 km · Manzanares 38 km · Honda 48 km · Manizales 52 km · Villamaría 52 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 Líbano (4.9218°, -75.0623°, elevation 1,575 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).