Girón weather in September

In September, Girón sees average daytime highs of 26°C and overnight lows near 19°C, with 449 mm of rain across 29.1 wet days and about 12 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Girón's 10th-clearest and 5th-windiest month. For the whole year in context, see Girón's year-round climate.

Daytime high
26°
7th warmest
Overnight low
19°
6th coldest
Rainfall
449 mm
29.1 wet days
Daylight
12 hours
5:46 AM – 5:48 PM
Cloud cover
92%
10th clearest
Wind
3 km/h
5th windiest
Solar energy
4.86 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Girón reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12719
22719
32719
42619
52619
62619
72619
82619
92619
102619
112619
122619
132619
142619
152619
162619
172619
182619
192619
202619
212619
222619
232619
242619
252619
262619
272619
282619
292619
302619

Girón weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°24124.111.64.5
Feb27° / 19°25821.511.84.4
Mar27° / 19°34127.5123.8
Apr27° / 20°45329.212.23.4
May27° / 20°53430.612.33.3
Jun26° / 20°48929.612.43.3
Jul26° / 19°43229.912.43.4
Aug27° / 19°34029.212.23.5
Sep26° / 19°44929.1123.4
Oct26° / 19°58230.611.83.3
Nov26° / 19°65929.311.73.4
Dec26° / 19°5022811.63.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 1% of September, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199

Chance of precipitation in September

Any precipitation

Girón gets around 449 mm of rain over 29.1 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 97% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
194
294
395
495
595
695
795
896
996
1096
1196
1297
1397
1497
1597
1697
1797
1897
1997
2098
2198
2298
2398
2498
2598
2698
2798
2899
2999
3099

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 100% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

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 h 06 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 12 minutes over September. Sunrise moves from 5:48 AM to 5:44 AM, and sunset from 5:56 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:485:56
212.15:485:56
312.15:485:55
412.15:485:55
512.15:485:54
612.15:485:54
712.15:475:53
812.15:475:53
912.15:475:52
1012.15:475:52
1112.15:475:51
1212.15:475:50
1312.15:465:50
1412.15:465:49
1512.05:465:49
1612.05:465:48
1712.05:465:48
1812.05:465:47
1912.05:455:46
2012.05:455:46
2112.05:455:45
2212.05:455:45
2312.05:455:44
2412.05:455:44
2512.05:445:43
2612.05:445:43
2712.05:445:42
2812.05:445:41
2912.05:445:41
3011.95:445:40

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 4.29 kWh/m² to a high of 5.29 kWh/m² in March across the year — September's 4.86 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
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Girón?

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

3.4
Sightseeing
6th-best month of the year
3.4
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Girón.

What to pack for Girón in September

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

In September, Girón sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 29 days see rain.

rain gearlight clothessun protection

UV index in Girón 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 Girón peaks around February 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 18UV 13Dec 14UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr12Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Girón 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 Girón is worst in March — around 40 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (December, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1738 µg/m³Dec 1018 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb28Moderate
Mar40Poor
Apr29Moderate
May22Moderate
Jun20Moderate
Jul18Moderate
Aug18Moderate
Sep18Moderate
Oct18Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Girón?

Girón sits at 7.1°N, 73.2°W, 706 m above sea level, in Colombia. The nearest listed city is Bucaramanga, 8.0 km away.

Topography around Girón

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

Within 3 km, the terrain around Girón has large variations in elevation — a maximum elevation change of 731 m around an average of 826 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,473 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,428 m.

The land around Girón is covered by grassland (41%), trees (34%) and artificial surfaces (23%) within 3 km, trees (57%) and grassland (34%) within 16 km, and trees (62%) and grassland (37%) within 80 km.

3 km
731 m
16 km
2,473 m
80 km
4,428 m
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Bucaramanga 8.0 km · Floridablanca 9.0 km · Piedecuesta 16 km · Sabana de Torres 51 km · El Carmen de Chucurí 56 km · San Gil 57 km · Málaga 63 km · Pamplona 67 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 Girón (7.0682°, -73.1698°, elevation 706 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).