El Palmar weather in September

In September, El Palmar sees average daytime highs of 22°C and overnight lows near 15°C, with 479 mm of rain across 29.8 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°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 El Palmar's 11th-clearest and 10th-windiest month. For the whole year in context, see El Palmar's year-round climate.

Daytime high
22°
8th warmest
Overnight low
15°
11th coldest
Rainfall
479 mm
29.8 wet days
Daylight
12 h 06 min
5:58 AM – 6:03 PM
Cloud cover
89%
11th clearest
Wind
4 km/h
10th windiest
Solar energy
4.77 kWh/m²
Travel score
3.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical September day in El Palmar reaches about 22°C in the afternoon and slips back to 15°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 23°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)
12215
22215
32215
42215
52215
62215
72215
82215
92215
102215
112215
122215
132215
142215
152215
162215
172215
182215
192215
202215
212215
222115
232115
242115
252115
262115
272115
282115
292115
302115

El Palmar weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 13°309.611.27.0
Feb22° / 13°3910.311.56.8
Mar22° / 14°10920.511.95.3
Apr22° / 14°24726.912.34.0
May22° / 15°55030.412.73.5
Jun22° / 15°45229.412.93.4
Jul22° / 15°29728.812.83.7
Aug22° / 15°36330.112.53.5
Sep22° / 15°47929.812.13.3
Oct21° / 15°36229.711.73.5
Nov21° / 14°11721.211.34.9
Dec21° / 13°4311.811.16.5

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 6% of September, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3694
4694
5694
6694
7694
8694
9694
10694
11694
12694
13694
14694
15595
16595
17595
18595
19595
20595
21595
22595
23595
24595
25595
26595
27694
28694
29694
30694

Chance of precipitation in September

Any precipitation

El Palmar gets around 479 mm of rain over 29.8 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 99% and peaks near 100% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
199
299
399
499
599
699
799
899
999
1099
1199
1299
1399
1499
1599
1699
1799
1899
1999
2099
21100
22100
23100
24100
25100
26100
27100
2899
2999
3099

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
Dry (%)Comfortable (%)Humid (%)
115544
215544
315445
415445
515445
615346
715346
815247
915247
1015148
1115049
1215050
1304951
1404852
1504753
1604654
1704654
1804654
1904654
2004654
2104654
2204654
2304654
2404654
2504753
2604753
2704753
2804753
2904852
3004852

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 5:57 AM to 5:59 AM, and sunset from 6:15 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:576:15
212.35:576:14
312.35:586:13
412.25:586:12
512.25:586:12
612.25:586:11
712.25:586:10
812.25:586:09
912.25:586:09
1012.25:586:08
1112.25:586:07
1212.15:586:06
1312.15:586:05
1412.15:586:05
1512.15:586:04
1612.15:586:03
1712.15:586:02
1812.15:586:01
1912.05:586:01
2012.05:586:00
2112.05:585:59
2212.05:595:58
2312.05:595:58
2412.05:595:57
2512.05:595:56
2611.95:595:55
2711.95:595:54
2811.95:595:54
2911.95:595:53
3011.95:595:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.77 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.29 kWh/m² in April across the year — September's 4.77 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for El Palmar

In seasonPeak

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

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

El Palmar's rainy season runs May–October, when most of the year's rain falls.

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

Is September a good time to visit El Palmar?

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

3.3
Sightseeing
12th-best month of the year
2.2
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in El Palmar.

What to pack for El Palmar in September

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

In September, El Palmar sees daytime highs around 22°C and nights near 15°C. Pack rain gear. Worth having: sun protection. About 30 days see rain.

rain gearsun protection

Sea temperature near El Palmar 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 59 km away) is warmest in July at about 30°C and coldest in February near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in El Palmar 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 El Palmar peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 highApr 12UV 14Dec 16UV 9
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in El Palmar 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 El Palmar is worst in May — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 934 µg/m³Aug 1622 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb22Moderate
Mar25Moderate
Apr34Moderate
May34Moderate
Jun23Moderate
Jul23Moderate
Aug22Moderate
Sep23Moderate
Oct23Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is El Palmar?

El Palmar sits at 14.7°N, 91.6°W, 733 m above sea level, in Guatemala. The nearest listed city is San Felipe, 4.0 km away.

Topography around El Palmar

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

Within 3 km, the terrain around El Palmar has significant variations in elevation — a maximum elevation change of 489 m around an average of 778 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,516 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,178 m.

The land around El Palmar is covered by trees (85%) within 3 km, trees (86%) within 16 km, and trees (59%) within 80 km.

3 km
489 m
16 km
3,516 m
80 km
4,178 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: San Felipe 4.0 km · San Francisco Zapotitlán 9.0 km · San Sebastián 12 km · Nuevo San Carlos 14 km · San Pablo Jocopilas 15 km · Mazatenango 15 km · Retalhuleu 17 km · El Asintal 17 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 El Palmar (14.6508°, -91.578°, elevation 733 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).