Pacho weather in September

In September, Pacho sees average daytime highs of 23°C and overnight lows near 15°C, with 349 mm of rain across 29 wet days and about 12 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°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 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Pacho's 7th-clearest and 3rd-windiest month. For the whole year in context, see Pacho's year-round climate.

Daytime high
23°
5th warmest
Overnight low
15°
4th coldest
Rainfall
349 mm
29 wet days
Daylight
12 hours
5:50 AM – 5:52 PM
Cloud cover
87%
7th clearest
Wind
5 km/h
3rd windiest
Solar energy
5.6 kWh/m²
Travel score
3.6
out of 10
Founded
1604

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 23°C through the month.

A typical September day in Pacho reaches about 23°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52315
62315
72315
82315
92315
102315
112315
122315
132315
142315
152315
162315
172315
182315
192315
202315
212315
222315
232315
242315
252315
262315
272315
282315
292315
302315

Pacho weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 14°13824.211.74.4
Feb23° / 15°18023.811.84.1
Mar23° / 15°28529.2123.7
Apr23° / 16°38929.512.13.4
May23° / 16°39630.812.23.4
Jun23° / 15°30228.512.33.6
Jul23° / 15°27628.812.33.8
Aug23° / 15°27927.812.23.9
Sep23° / 15°34929123.6
Oct22° / 15°35030.711.93.4
Nov22° / 15°25329.311.83.5
Dec22° / 15°19126.511.74.1

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 94%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
31090
41090
51090
61090
7991
8991
9991
10991
11793
12793
13694
14694
15694
16595
17595
18595
19595
20595
21496
22496
23496
24496
25397
26397
27397
28397
29397
30397

Chance of precipitation in September

Any precipitation

Pacho gets around 349 mm of rain over 29 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 96% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
293
393
493
594
694
794
895
995
1095
1196
1296
1396
1497
1597
1697
1797
1897
1998
2098
2198
2298
2398
2498
2598
2698
2798
2898
2998
3098

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 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)
15941
25941
35941
45842
55842
65743
75743
85644
95545
105446
115347
125248
135149
145149
155050
164951
174852
184753
194654
204555
214555
224456
234456
244357
254357
264258
274258
284258
294258
304159

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
284calm
294calm
304calm

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 5:53 AM to 5:47 AM, and sunset from 5:59 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:535:59
212.15:535:59
312.15:535:58
412.15:535:58
512.15:535:57
612.15:525:57
712.15:525:56
812.15:525:56
912.15:525:55
1012.15:515:55
1112.15:515:54
1212.05:515:54
1312.05:515:53
1412.05:515:53
1512.05:505:52
1612.05:505:52
1712.05:505:51
1812.05:505:51
1912.05:495:50
2012.05:495:50
2112.05:495:49
2212.05:495:49
2312.05:495:48
2412.05:485:48
2512.05:485:47
2612.05:485:47
2712.05:485:46
2812.05:485:46
2912.05:475:45
3012.05:475:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.6 kWh/m².

For context, solar energy here swings from a low near 4.72 kWh/m² to a high of 5.63 kWh/m² in August across the year — September's 5.6 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Pacho?

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

3.6
Sightseeing
7th-best month of the year
2.7
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Pacho.

What to pack for Pacho in September

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

In September, Pacho sees daytime highs around 23°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 29 days see rain.

rain gearlight clothessun protection

UV index in Pacho 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 Pacho peaks around February 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 16Dec 14UV 12
UV index (midday)Level
Jan14Extreme
Feb17Extreme
Mar16Extreme
Apr14Extreme
May14Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep15Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Pacho 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 Pacho is worst in March — around 35 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 20 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1834 µg/m³Jul 1420 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb27Moderate
Mar35Moderate
Apr29Moderate
May24Moderate
Jun22Moderate
Jul20Moderate
Aug24Moderate
Sep25Moderate
Oct23Moderate
Nov21Moderate
Dec22Moderate
Location & terrain

Where is Pacho?

Pacho sits at 5.1°N, 74.2°W, 1,783 m above sea level, in Colombia. The nearest listed city is Zipaquirá, 21 km away.

Topography around Pacho

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

Within 3 km, the terrain around Pacho has large variations in elevation — a maximum elevation change of 853 m around an average of 1,934 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,762 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,668 m.

The land around Pacho is covered by trees (51%) and grassland (45%) within 3 km, trees (54%) and grassland (45%) within 16 km, and trees (58%) and grassland (36%) within 80 km.

3 km
853 m
16 km
2,762 m
80 km
3,668 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Zipaquirá 21 km · Cajicá 28 km · La Mesa 31 km · Chía 32 km · Tocancipá 33 km · Bosconia 37 km · Cota 37 km · Villeta 37 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 Pacho (5.1328°, -74.1598°, elevation 1,783 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).