Nebaj weather in September

In September, Nebaj sees average daytime highs of 21°C and overnight lows near 12°C, with 288 mm of rain across 28.4 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 2nd-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 Nebaj's 11th-clearest and 12th-windiest month. For the whole year in context, see Nebaj's year-round climate.

Daytime high
21°
4th warmest
Overnight low
12°
11th coldest
Rainfall
288 mm
28.4 wet days
Daylight
12 h 06 min
5:56 AM – 6:01 PM
Cloud cover
85%
11th clearest
Wind
4 km/h
12th windiest
Solar energy
4.94 kWh/m²
Travel score
3.5
out of 10

Nebaj is human settlement 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 Nebaj reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°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 about 1°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52112
62112
72112
82112
92112
102112
112112
122112
132112
142112
152112
162112
172112
182112
192112
202112
212112
222112
232112
242112
252112
262112
272112
282112
292112
302112

Nebaj weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 511111.25.9
Feb19° / 371011.56.2
Mar21° / 6514.611.95.9
Apr22° / 10°12418.412.35.4
May21° / 11°2452512.74.2
Jun21° / 12°32128.412.93.5
Jul20° / 11°1772712.83.8
Aug21° / 12°20227.212.53.8
Sep21° / 12°28828.412.13.5
Oct20° / 12°23024.611.74.0
Nov19° / 10°9114.211.35.3
Dec18° / 5411.611.15.7

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 9% of September, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21288
31288
41189
51189
61090
71090
81090
91090
101090
111090
121090
131090
141090
151090
161090
171090
181090
191090
201090
21991
22991
23991
24991
25892
26892
27892
28892
29892
30892

Chance of precipitation in September

Any precipitation

Nebaj gets around 288 mm of rain over 28.4 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
293
393
494
594
694
794
895
995
1095
1195
1295
1395
1495
1595
1695
1795
1895
1995
2095
2194
2294
2395
2495
2595
2694
2794
2894
2994
3093

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 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
13367
23367
33268
43268
53268
63169
73169
83169
93169
103070
113070
122971
132971
142872
152773
162773
172674
182575
192476
202377
212377
222278
232179
242179
252179
262179
272179
282179
292278
302278

Wind in September

Winds average 4 km/h in September, the calmest month.

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 5:55 AM to 5:58 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)
112.35:556:13
212.35:556:13
312.35:556:12
412.35:556:11
512.25:566:10
612.25:566:10
712.25:566:09
812.25:566:08
912.25:566:07
1012.25:566:06
1112.25:566:06
1212.15:566:05
1312.15:566:04
1412.15:566:03
1512.15:566:02
1612.15:566:01
1712.15:566:01
1812.15:566:00
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
3011.95:585:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.94 kWh/m².

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 6.43 kWh/m² in April across the year — September's 4.94 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Nebaj

In seasonPeak

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

Nebaj'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 Nebaj?

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

3.5
Sightseeing
11th-best month of the year
2.1
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Nebaj.

What to pack for Nebaj in September

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

In September, Nebaj sees daytime highs around 21°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 28 days see rain.

rain gearsun protection

UV index in Nebaj 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 Nebaj peaks around April 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 15Dec 15UV 9
UV index (midday)Level
Jan10Extreme
Feb14Extreme
Mar14Extreme
Apr15Extreme
May13Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Nebaj 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 Nebaj is worst in May — around 38 µg/m³ PM2.5 (poor), about 3.1× the cleanest month (January, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1137 µg/m³Jan 112 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar21Moderate
Apr35Moderate
May38Poor
Jun21Moderate
Jul20Moderate
Aug18Moderate
Sep18Moderate
Oct15Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Nebaj?

Nebaj sits at 15.4°N, 91.1°W, 1,909 m above sea level, in Guatemala. The nearest listed city is Huehuetenango, 36 km away.

HuehuetenangoSolomaSanta Cruz del QuichéMomostenangoChichicastenangoTotonicapánSan Francisco El AltoCabricán

Topography around Nebaj

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

Within 3 km, the terrain around Nebaj has large variations in elevation — a maximum elevation change of 820 m around an average of 2,072 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,208 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,677 m.

The land around Nebaj is covered by trees (89%) within 3 km, trees (83%) within 16 km, and trees (81%) within 80 km.

3 km
820 m
16 km
2,208 m
80 km
3,677 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Huehuetenango 36 km · Soloma 41 km · Santa Cruz del Quiché 42 km · Momostenango 49 km · Chichicastenango 52 km · Totonicapán 60 km · San Francisco El Alto 60 km · Cabricán 65 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 Nebaj (15.4061°, -91.1468°, elevation 1,909 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).