Puerto Barrios weather in September

In September, Puerto Barrios sees average daytime highs of 29°C and overnight lows near 25°C, with 302 mm of rain across 27.9 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 9% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 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 Barrios's 11th-clearest and 12th-windiest month. For the whole year in context, see Puerto Barrios's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
25°
10th coldest
Rainfall
302 mm
27.9 wet days
Daylight
12 h 06 min
5:46 AM – 5:51 PM
Cloud cover
76%
11th clearest
Wind
7 km/h
12th windiest
Solar energy
5.35 kWh/m²
Travel score
3.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Puerto Barrios reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292924
302924

How September really feels in Puerto Barrios

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 Barrios weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 21°24420.411.25.4
Feb26° / 22°13216.411.55.8
Mar27° / 23°12114.411.96.2
Apr28° / 24°8313.212.35.6
May29° / 25°17120.312.74.2
Jun29° / 25°28927.212.93.1
Jul29° / 25°32030.112.83.1
Aug29° / 25°28028.812.53.2
Sep29° / 25°30227.912.13.1
Oct28° / 24°37326.411.63.8
Nov26° / 23°40022.911.34.6
Dec25° / 22°2422211.15.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13070
23070
33070
42872
52872
62872
72872
82773
92773
102773
112674
122674
132674
142674
152674
162674
172575
182575
192575
202575
212476
222476
232278
242278
252278
262278
272278
282278
292278
302179

Chance of precipitation in September

Any precipitation

Puerto Barrios gets around 302 mm of rain over 27.9 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 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
291
391
491
592
692
792
892
992
1093
1193
1293
1393
1493
1593
1693
1793
1893
1993
2093
2193
2294
2394
2493
2593
2693
2792
2892
2992
3091

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
104654
204654
304654
404555
504555
604555
704555
804654
904654
1004654
1104654
1204753
1304753
1404753
1504852
1604852
1704951
1804951
1905050
2005149
2105149
2205248
2305347
2405545
2505644
2605743
2715742
2815940
2916039
3016138

Wind in September

Winds average 7 km/h in September, the calmest month.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 5:45 AM to 5:47 AM, and sunset from 6:03 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:456:03
212.35:456:03
312.35:456:02
412.35:456:01
512.35:456:00
612.25:455:59
712.25:455:59
812.25:455:58
912.25:465:57
1012.25:465:56
1112.25:465:55
1212.15:465:55
1312.15:465:54
1412.15:465:53
1512.15:465:52
1612.15:465:51
1712.15:465:50
1812.15:465:50
1912.05:465:49
2012.05:465:48
2112.05:475:47
2212.05:475:46
2312.05:475:46
2412.05:475:45
2512.05:475:44
2611.95:475:43
2711.95:475:42
2811.95:475:42
2911.95:475:41
3011.95:475:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.35 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 6.32 kWh/m² in April across the year — September's 5.35 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Puerto Barrios

In seasonPeak

In September, Puerto Barrios sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Puerto Barrios sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Puerto Barrios?

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

3.1
Sightseeing
10th-best month of the year
4.0
Beach & pool
10th-best month of the year

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

What to pack for Puerto Barrios in September

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

In September, Puerto Barrios sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Puerto Barrios in September

The nearest coast averages about 30°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in September at about 30°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Warm
Apr29Tropical
May29Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Puerto Barrios in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (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 Barrios peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 10UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Puerto Barrios 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 Barrios is worst in May — around 30 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (December, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1729 µg/m³Dec 198 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar12Good
Apr26Moderate
May30Moderate
Jun26Moderate
Jul28Moderate
Aug20Moderate
Sep16Moderate
Oct13Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Puerto Barrios?

Puerto Barrios sits at 15.7°N, 88.6°W, 6 m above sea level, in Guatemala. The nearest listed city is Lívingston, 20 km away.

MoralesMacuelizoQuimistánPunta GordaOmoaCofradíaSan Pedro Sula

Topography around Puerto Barrios

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

Within 3 km, the terrain around Puerto Barrios has only modest variations in elevation — a maximum elevation change of 46 m around an average of 7 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,040 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,248 m.

The land around Puerto Barrios is covered by water (50%) and trees (25%) within 3 km, trees (54%) and water (25%) within 16 km, and trees (52%) and water (31%) within 80 km.

3 km
46 m
16 km
1,040 m
80 km
2,248 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Lívingston 20 km · Morales 38 km · Macuelizo 46 km · Quimistán 47 km · Punta Gorda 47 km · Omoa 60 km · Cofradía 60 km · San Pedro Sula 66 km

Guatemala travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
23.4
per 100k, 2023
Road deaths
22.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 510
Religion
Evangelical 46%Roman Catholic 42%none 11%

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 Barrios (15.7272°, -88.5979°, elevation 6 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).