Panajachel weather in September

In September, Panajachel sees average daytime highs of 21°C and overnight lows near 14°C, with 389 mm of rain across 27.4 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 21°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels comfortable.

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

Daytime high
21°
8th warmest
Overnight low
14°
11th coldest
Rainfall
389 mm
27.4 wet days
Daylight
12 h 06 min
5:57 AM – 6:01 PM
Cloud cover
87%
11th clearest
Wind
5 km/h
11th windiest
Solar energy
4.77 kWh/m²
Travel score
3.6
out of 10

Panajachel is town in Guatemala.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical September day in Panajachel reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°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)
12114
22114
32114
42114
52114
62114
72114
82114
92114
102114
112114
122114
132114
142114
152115
162115
172115
182115
192115
202115
212115
222115
232115
242115
252115
262115
272115
282115
292115
302115

Panajachel 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
Jan21° / 12°133.311.27.8
Feb22° / 12°214.911.57.7
Mar22° / 13°6411.811.96.7
Apr22° / 14°15618.112.35.3
May22° / 14°36525.712.74.1
Jun21° / 15°37625.912.93.9
Jul21° / 14°20519.512.84.8
Aug21° / 14°2642212.54.5
Sep21° / 14°38927.412.13.6
Oct21° / 14°27423.311.74.3
Nov21° / 13°6110.211.36.4
Dec20° / 12°214.511.17.5

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 7% of September, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6892
7892
8892
9892
10892
11892
12892
13892
14892
15892
16892
17892
18892
19892
20892
21793
22793
23793
24793
25793
26793
27793
28793
29793
30892

Chance of precipitation in September

Any precipitation

Panajachel gets around 389 mm of rain over 27.4 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 90% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
288
389
489
589
689
789
889
989
1089
1189
1289
1389
1489
1589
1689
1790
1890
1991
2092
2192
2293
2393
2493
2593
2693
2793
2893
2992
3091

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
17858
27858
36868
46868
56868
65878
75878
85878
95878
105869
115869
124879
1348610
1448610
1548610
1638611
1738611
1838611
1938611
2028711
2128711
2228711
2328711
2428711
2528711
2628711
2728711
2828711
2938611
3038611

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:56 AM to 5:57 AM, and sunset from 6:13 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:566:13
212.35:566:12
312.35:566:12
412.25:566:11
512.25:566:10
612.25:566:09
712.25:566:08
812.25:566:08
912.25:566:07
1012.25:566:06
1112.25:566:05
1212.15:566:05
1312.15:566:04
1412.15:566:03
1512.15:566:02
1612.15:576:01
1712.15:576:01
1812.15:576:00
1912.05:575:59
2012.05:575:58
2112.05:575:57
2212.05:575:57
2312.05:575:56
2412.05:575:55
2512.05:575:54
2611.95:575:53
2711.95:575:53
2811.95:575:52
2911.95:575:51
3011.95:575:50

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 4.42 kWh/m² to a high of 6.25 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
115.0Bright
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 Panajachel

In seasonPeak

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

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

Panajachel'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 Panajachel?

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

3.6
Sightseeing
12th-best month of the year
2.3
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Panajachel.

What to pack for Panajachel in September

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

In September, Panajachel sees daytime highs around 21°C and nights near 14°C. Pack rain gear. Worth having: sun protection. About 27 days see rain.

rain gearsun protection

UV index in Panajachel 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 Panajachel peaks around April 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 14UV 15Dec 14UV 10
UV index (midday)Level
Jan10Extreme
Feb14Extreme
Mar14Extreme
Apr15Extreme
May13Extreme
Jun13Extreme
Jul14Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec10Very high

Air quality in Panajachel 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 Panajachel 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 Panajachel?

Panajachel sits at 14.7°N, 91.2°W, 0 m above sea level, in Guatemala. The nearest listed city is Sololá, 4.0 km away.

PatzicíaChicacao

Topography around Panajachel

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

Within 3 km, the terrain around Panajachel has large variations in elevation — a maximum elevation change of 694 m around an average of 1,737 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,121 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,932 m.

The land around Panajachel is covered by trees (44%) and water (36%) within 3 km, trees (64%) within 16 km, and trees (69%) within 80 km.

3 km
694 m
16 km
2,121 m
80 km
3,932 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Sololá 4.0 km · Santiago Atitlán 14 km · Patzún 17 km · Tecpán Guatemala 18 km · Nahualá 21 km · Chichicastenango 23 km · Patzicía 28 km · Chicacao 29 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 Panajachel (14.7418°, -91.1568°, elevation 0 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). 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).