Nahualá weather in September

In September, Nahualá sees average daytime highs of 21°C and overnight lows near 14°C, with 379 mm of rain across 27.1 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 Nahualá's 11th-clearest and 11th-windiest month. For the whole year in context, see Nahualá's year-round climate.

Daytime high
21°
8th warmest
Overnight low
14°
11th coldest
Rainfall
379 mm
27.1 wet days
Daylight
12 h 06 min
5:57 AM – 6:02 PM
Cloud cover
87%
11th clearest
Wind
5 km/h
11th windiest
Solar energy
4.77 kWh/m²
Travel score
3.7
out of 10

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 Nahualá 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
152114
162114
172114
182114
192114
202114
212114
222114
232114
242114
252114
262114
272114
282114
292114
302114

Nahualá 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°143.411.27.8
Feb22° / 12°204.711.57.7
Mar22° / 13°6511.911.96.6
Apr22° / 14°15918.512.35.3
May22° / 14°36825.912.74.0
Jun21° / 15°37526.212.93.8
Jul21° / 14°1991912.84.9
Aug21° / 14°26021.812.54.5
Sep21° / 14°37927.112.13.7
Oct21° / 14°2672311.74.3
Nov20° / 13°6110.411.36.3
Dec20° / 12°214.311.17.5

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 91%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21090
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15892
16892
17892
18892
19892
20892
21892
22793
23793
24793
25793
26793
27793
28793
29892
30892

Chance of precipitation in September

Any precipitation

Nahualá gets around 379 mm of rain over 27.1 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 89% and peaks near 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
286
387
487
587
687
787
887
987
1087
1187
1287
1387
1488
1588
1688
1789
1890
1990
2091
2192
2292
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 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
111827
210837
310837
49847
59847
69847
78857
88857
98857
108848
118848
127858
137849
147849
156859
1668410
1768410
1858510
1958510
2048610
2148610
2248610
2338710
2438710
2528810
2628810
2728810
2828810
2938710
3038710

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 5:58 AM, and sunset from 6:14 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:566:14
212.35:566:13
312.35:566:12
412.35:566:11
512.25:576:11
612.25:576:10
712.25:576:09
812.25:576:08
912.25:576:08
1012.25:576:07
1112.25:576:06
1212.15:576:05
1312.15:576:04
1412.15:576:04
1512.15:576:03
1612.15:576:02
1712.15:576:01
1812.15:576:00
1912.05:576:00
2012.05:575:59
2112.05:575:58
2212.05:575:57
2312.05:585:56
2412.05:585:56
2512.05:585:55
2611.95:585:54
2711.95:585:53
2811.95:585:53
2911.95:585:52
3011.95:585:51

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 4.43 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
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
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 Nahualá

In seasonPeak

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

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

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

Is September a good time to visit Nahualá?

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

3.7
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 Nahualá.

What to pack for Nahualá in September

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

In September, Nahualá 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 Nahualá 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 Nahualá 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 Nahualá 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 Nahualá 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 Nahualá?

Nahualá sits at 14.8°N, 91.3°W, 2,467 m above sea level, in Guatemala. The nearest listed city is Totonicapán, 9.0 km away.

Topography around Nahualá

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

Within 3 km, the terrain around Nahualá has large variations in elevation — a maximum elevation change of 693 m around an average of 2,632 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,272 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,173 m.

The land around Nahualá is covered by trees (62%) within 3 km, trees (71%) within 16 km, and trees (73%) within 80 km.

3 km
693 m
16 km
2,272 m
80 km
4,173 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Totonicapán 9.0 km · Cantel 15 km · Salcajá 15 km · Sololá 17 km · San Francisco El Alto 18 km · San Andrés Xecul 19 km · Panajachel 21 km · Quetzaltenango 22 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 Nahualá (14.8429°, -91.318°, elevation 2,467 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).