Puerto Santander weather in September

In September, Puerto Santander sees average daytime highs of 34°C and overnight lows near 24°C, with 259 mm of rain across 28.8 wet days and about 12 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°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 Puerto Santander's 8th-clearest and 6th-windiest month. For the whole year in context, see Puerto Santander's year-round climate.

Daytime high
34°
2nd warmest
Overnight low
24°
11th coldest
Rainfall
259 mm
28.8 wet days
Daylight
12 hours
5:43 AM – 5:45 PM
Cloud cover
89%
8th clearest
Wind
4 km/h
6th windiest
Solar energy
5.56 kWh/m²
Travel score
1.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical September day in Puerto Santander reaches about 34°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63524
73524
83524
93524
103524
113524
123524
133524
143524
153424
163424
173424
183424
193424
203424
213424
223424
233424
243424
253424
263424
273424
283424
293424
303424

How September really feels in Puerto Santander

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.

Puerto Santander weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°10517.411.63.6
Feb32° / 23°11615.811.73.4
Mar32° / 23°17721.611.92.9
Apr32° / 24°30527.212.22.2
May33° / 24°40730.312.41.8
Jun34° / 24°3252912.51.6
Jul34° / 24°2993012.41.5
Aug35° / 24°27029.612.31.4
Sep34° / 24°25928.8121.5
Oct33° / 24°2712911.81.9
Nov32° / 23°22925.911.62.4
Dec31° / 23°16522.811.53.0

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 (%)
1694
2793
3793
4793
5793
6793
7793
8694
9694
10694
11694
12694
13694
14595
15595
16595
17595
18595
19595
20595
21595
22595
23595
24595
25595
26595
27595
28595
29595
30595

Chance of precipitation in September

Any precipitation

Puerto Santander gets around 259 mm of rain over 28.8 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 96% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
195
295
395
495
595
695
795
895
995
1095
1195
1296
1396
1496
1596
1696
1796
1896
1996
2096
2196
2296
2396
2496
2596
2696
2796
2896
2996
3096

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 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
124355
224256
324256
424157
524058
623959
723860
823761
923662
1023563
1123464
1223266
1323167
1423068
1512970
1612871
1712772
1812772
1912673
2012574
2112574
2212475
2312376
2402278
2502278
2602179
2702179
2802080
2902080
3001981

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 5:44 AM to 5:41 AM, and sunset from 5:54 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:445:54
212.25:445:54
312.15:445:53
412.15:445:52
512.15:445:52
612.15:445:51
712.15:445:51
812.15:445:50
912.15:445:50
1012.15:435:49
1112.15:435:48
1212.15:435:48
1312.15:435:47
1412.15:435:47
1512.15:435:46
1612.05:435:45
1712.05:425:45
1812.05:425:44
1912.05:425:43
2012.05:425:43
2112.05:425:42
2212.05:425:42
2312.05:425:41
2412.05:425:40
2512.05:415:40
2612.05:415:39
2712.05:415:39
2812.05:415:38
2911.95:415:38
3011.95:415:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.56 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 5.61 kWh/m² in August across the year — September's 5.56 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
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Puerto Santander?

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

1.5
Sightseeing
10th-best month of the year
3.0
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Puerto Santander.

What to pack for Puerto Santander in September

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

In September, Puerto Santander sees daytime highs around 34°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Puerto Santander 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 Puerto Santander peaks around February 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highFeb 19UV 13Dec 14UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Puerto Santander 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 Puerto Santander is worst in March — around 35 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2134 µg/m³Dec 1716 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb24Moderate
Mar35Moderate
Apr32Moderate
May26Moderate
Jun23Moderate
Jul21Moderate
Aug21Moderate
Sep21Moderate
Oct20Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Puerto Santander?

Puerto Santander sits at 8.4°N, 72.4°W, 50 m above sea level, in Colombia. The nearest listed city is La Fría, 24 km away.

Topography around Puerto Santander

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

Within 3 km, the terrain around Puerto Santander has only modest variations in elevation — a maximum elevation change of 36 m around an average of 51 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 478 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,853 m.

The land around Puerto Santander is covered by grassland (46%) and cropland (29%) within 3 km, grassland (49%) and trees (38%) within 16 km, and trees (55%) and grassland (42%) within 80 km.

3 km
36 m
16 km
478 m
80 km
3,853 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: La Fría 24 km · Coloncito 35 km · Colón 40 km · Casigua El Cubo 44 km · Michelena 49 km · Ureña 49 km · Cúcuta 52 km · El Zulia 53 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 Puerto Santander (8.3636°, -72.4063°, elevation 50 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).