Malacatán weather in September

In September, Malacatán sees average daytime highs of 23°C and overnight lows near 16°C, with 462 mm of rain across 29.9 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 1st-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 0% of the time in September, and the air most often feels humid.

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 Malacatán's 11th-clearest and 11th-windiest month. For the whole year in context, see Malacatán's year-round climate.

Daytime high
23°
8th warmest
Overnight low
16°
10th coldest
Rainfall
462 mm
29.9 wet days
Daylight
12 h 06 min
6:00 AM – 6:05 PM
Cloud cover
89%
11th clearest
Wind
4 km/h
11th windiest
Solar energy
4.62 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 23°C through the month.

A typical September day in Malacatán reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°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)
12316
22316
32316
42316
52316
62316
72316
82316
92316
102316
112316
122316
132316
142316
152316
162316
172316
182316
192316
202316
212316
222316
232316
242316
252316
262316
272316
282316
292316
302316

Malacatán weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 13°3010.311.27.3
Feb24° / 13°3010.211.57.2
Mar24° / 14°6618.411.95.9
Apr24° / 15°13024.712.34.6
May24° / 16°31830.212.73.7
Jun23° / 16°42529.512.93.5
Jul23° / 15°32530.112.83.6
Aug23° / 15°38230.612.53.6
Sep23° / 16°46229.912.13.4
Oct23° / 15°33029.811.73.7
Nov23° / 14°11022.111.35.0
Dec23° / 13°4313.611.16.6

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 4% of September, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1694
2595
3595
4595
5496
6496
7496
8496
9496
10496
11496
12496
13496
14496
15496
16496
17397
18397
19397
20397
21397
22397
23397
24397
25397
26496
27496
28595
29595
30595

Chance of precipitation in September

Any precipitation

Malacatán gets around 462 mm of rain over 29.9 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 100% and peaks near 100% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
1399
1499
1599
1699
1799
1899
1999
2099
2199
22100
23100
24100
25100
26100
27100
28100
29100
30100

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)
11684
21684
31585
41585
51585
61585
71585
81585
91585
101585
111585
121585
131585
141486
151486
161387
171387
181288
191189
201189
211090
22991
23991
24892
25892
26892
27892
28892
29892
30892

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 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 5:59 AM to 6:01 AM, and sunset from 6:17 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:596:17
212.35:596:16
312.35:596:15
412.35:596:14
512.25:596:14
612.26:006:13
712.26:006:12
812.26:006:11
912.26:006:11
1012.26:006:10
1112.26:006:09
1212.16:006:08
1312.16:006:07
1412.16:006:07
1512.16:006:06
1612.16:006:05
1712.16:006:04
1812.16:006:03
1912.06:006:03
2012.06:006:02
2112.06:006:01
2212.06:006:00
2312.06:015:59
2412.06:015:59
2512.06:015:58
2611.96:015:57
2711.96:015:56
2811.96:015:56
2911.96:015:55
3011.96:015:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.62 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6.09 kWh/m² in April across the year — September's 4.62 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Malacatán

In seasonPeak

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

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

Malacatán's monsoon runs May–October, when most of the year's rain falls.

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

Is September a good time to visit Malacatán?

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

3.4
Sightseeing
12th-best month of the year
2.7
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Malacatán.

What to pack for Malacatán in September

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

In September, Malacatán sees daytime highs around 23°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 30 days see rain.

rain gearlight clothessun protection

Sea temperature near Malacatán 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 47 km away) is warmest in August at about 30°C and coldest in February near 28°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
Jan29Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Malacatán in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Malacatán peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 9UV 13Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Malacatán 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 Malacatán is worst in May — around 40 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1039 µg/m³Feb 827 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb27Moderate
Mar34Moderate
Apr38Poor
May40Poor
Jun29Moderate
Jul31Moderate
Aug30Moderate
Sep31Moderate
Oct29Moderate
Nov30Moderate
Dec29Moderate
Location & terrain

Where is Malacatán?

Malacatán sits at 14.9°N, 92.1°W, 395 m above sea level, in Guatemala. The nearest listed city is Cacahoatán, 15 km away.

San MarcosCoatepequeSan Pedro SacatepéquezComitancilloColombaOstuncalco

Topography around Malacatán

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

Within 3 km, the terrain around Malacatán has significant variations in elevation — a maximum elevation change of 437 m around an average of 391 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,157 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,178 m.

The land around Malacatán is covered by trees (78%) within 3 km, trees (85%) within 16 km, and trees (59%) within 80 km.

3 km
437 m
16 km
2,157 m
80 km
4,178 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Cacahoatán 15 km · Tapachula 22 km · San Marcos 29 km · Coatepeque 31 km · San Pedro Sacatepéquez 32 km · Comitancillo 39 km · Colomba 42 km · Ostuncalco 47 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 Malacatán (14.9113°, -92.0579°, elevation 395 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).