Balboa weather in September

In September, Balboa sees average daytime highs of 25°C and overnight lows near 16°C, with 308 mm of rain across 23.9 wet days and about 12 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Balboa's 7th-clearest and 2nd-windiest month. For the whole year in context, see Balboa's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
16°
10th coldest
Rainfall
308 mm
23.9 wet days
Daylight
12 hours
6:03 AM – 6:04 PM
Cloud cover
87%
7th clearest
Wind
3 km/h
2nd windiest
Solar energy
4.86 kWh/m²
Travel score
4.2
out of 10

Balboa is town in Cauca, Colombia.

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 25°C through the month.

A typical September day in Balboa reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°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)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142616
152516
162516
172516
182516
192516
202516
212516
222516
232516
242516
252516
262516
272516
282516
292516
302516

Balboa weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°41728.811.93.9
Feb24° / 16°36425.811.93.9
Mar24° / 16°48029.6123.7
Apr24° / 16°52829.3123.6
May24° / 16°47329.112.13.7
Jun24° / 16°29323.412.14.4
Jul25° / 16°19117.812.15.3
Aug26° / 16°15916.312.15.3
Sep25° / 16°30823.9124.2
Oct24° / 16°50029.5123.7
Nov23° / 16°57929.411.93.5
Dec23° / 16°49829.311.93.7

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 7% of September, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31189
41189
51189
61189
71189
81189
91189
101090
11991
12991
13991
14991
15892
16892
17892
18892
19892
20892
21793
22793
23793
24793
25694
26694
27694
28694
29694
30595

Chance of precipitation in September

Any precipitation

Balboa gets around 308 mm of rain over 23.9 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 80% and peaks near 91% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
167
268
368
469
569
670
771
872
973
1074
1175
1276
1378
1479
1580
1681
1782
1883
1984
2085
2186
2287
2388
2488
2589
2689
2790
2890
2990
3091

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
193358
293259
383260
483161
573063
673063
762965
862866
962767
1052669
1152471
1252372
1342274
1442076
1541977
1631780
1731681
1821583
1921484
2021385
2111287
2211188
2311188
2411089
2501090
260991
270991
280892
290892
300892

Wind in September

Winds average 3 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in September

DaylightNight

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

Days grow by about 0 minutes over September. Sunrise moves from 6:07 AM to 5:59 AM, and sunset from 6:10 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:076:10
212.06:076:09
312.06:076:09
412.06:076:09
512.06:066:08
612.06:066:08
712.06:066:07
812.06:056:07
912.06:056:07
1012.06:056:06
1112.06:046:06
1212.06:046:05
1312.06:046:05
1412.06:036:04
1512.06:036:04
1612.06:036:04
1712.06:036:03
1812.06:026:03
1912.06:026:02
2012.06:026:02
2112.06:016:01
2212.06:016:01
2312.06:016:01
2412.06:006:00
2512.06:006:00
2612.06:005:59
2712.05:595:59
2812.05:595:58
2912.05:595:58
3012.05:595:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.86 kWh/m².

For context, solar energy here swings from a low near 3.88 kWh/m² to a high of 5.08 kWh/m² in August across the year — September's 4.86 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.6Bright
Planning a trip in September

Is September a good time to visit Balboa?

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

4.2
Sightseeing
4th-best month of the year
4.0
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Balboa for sightseeing.

What to pack for Balboa in September

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

In September, Balboa sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 24 days see rain.

rain gearlight clothessun protection

UV index in Balboa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Balboa peaks around February 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 18UV 16Aug 10UV 12
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec13Extreme

Air quality in Balboa 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 Balboa is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1716 µg/m³Nov 1812 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar17Moderate
Apr15Moderate
May14Moderate
Jun12Moderate
Jul12Moderate
Aug14Moderate
Sep15Moderate
Oct13Moderate
Nov12Good
Dec12Moderate
Location & terrain

Where is Balboa?

Balboa sits at 2.0°N, 77.2°W, 1,616 m above sea level, in Colombia. The nearest listed city is Patía, 18 km away.

Topography around Balboa

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

Within 3 km, the terrain around Balboa has very significant variations in elevation — a maximum elevation change of 1,524 m around an average of 1,522 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,930 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,378 m.

The land around Balboa is covered by trees (64%) and grassland (35%) within 3 km, trees (56%) and grassland (43%) within 16 km, and trees (79%) and grassland (20%) within 80 km.

3 km
1,524 m
16 km
2,930 m
80 km
4,378 m
treesgrasslandartificial surfaceswater
September weather nearby: Patía 18 km · La Unión 50 km · Providencia 59 km · San Lorenzo 60 km · Villa Rica 67 km · Buesaco 73 km · Popayán 80 km · Samaniego 89 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 Balboa (2.0418°, -77.2165°, elevation 1,616 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).