Somoto weather in September

In September, Somoto sees average daytime highs of 29°C and overnight lows near 20°C, with 166 mm of rain across 19.8 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 7% of the time in September, and the air most often feels muggy.

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 Somoto's 11th-clearest and 12th-windiest month. For the whole year in context, see Somoto's year-round climate.

Daytime high
29°
4th warmest
Overnight low
20°
9th coldest
Rainfall
166 mm
19.8 wet days
Daylight
12 h 06 min
5:38 AM – 5:43 PM
Cloud cover
77%
11th clearest
Wind
7 km/h
12th windiest
Solar energy
5.29 kWh/m²
Travel score
4.1
out of 10

Somoto is urban and populated area of the municipality of Somoto, Nicaragua.

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 29°C through the month.

A typical September day in Somoto reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252820
262820
272820
282820
292820
302820

Somoto weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°51.411.38.0
Feb28° / 17°30.511.67.5
Mar30° / 18°51.211.96.2
Apr32° / 20°264.512.34.8
May30° / 20°17215.312.64.0
Jun28° / 20°16819.812.84.3
Jul28° / 20°7113.112.75.5
Aug29° / 20°10715.812.44.7
Sep29° / 20°16619.812.14.1
Oct28° / 19°17718.811.74.9
Nov27° / 18°336.111.46.9
Dec27° / 17°71.911.27.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22674
32674
42575
52575
62575
72674
82674
92575
102575
112575
122377
132377
142377
152278
162179
172080
182080
192080
201981
211981
221783
231783
241783
251783
261783
271684
281684
291783
301783

Chance of precipitation in September

Any precipitation

Somoto gets around 166 mm of rain over 19.8 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 66% and peaks near 73% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
159
259
359
459
559
659
760
860
961
1061
1162
1263
1364
1465
1567
1668
1769
1870
1971
2071
2172
2273
2373
2473
2573
2673
2773
2873
2972
3072

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
123761
223761
323761
422771
522771
622771
721781
821790
921790
1020800
1119810
1219810
1318820
1417830
1516840
1614860
1713870
1812880
1911890
2011890
2110900
229910
238920
247921
256931
266931
276931
285941
295941
305941

Wind in September

Winds average 7 km/h in September, the calmest month.

Across September, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
226calm
236calm
246calm
256calm
266calm
276calm
287calm
297calm
307calm

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 5:38 AM to 5:39 AM, and sunset from 5:54 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:385:54
212.35:385:53
312.25:385:53
412.25:385:52
512.25:385:51
612.25:385:50
712.25:385:50
812.25:385:49
912.25:385:48
1012.25:385:47
1112.15:385:47
1212.15:385:46
1312.15:385:45
1412.15:385:44
1512.15:385:44
1612.15:385:43
1712.15:385:42
1812.05:385:41
1912.05:385:41
2012.05:385:40
2112.05:395:39
2212.05:395:38
2312.05:395:38
2412.05:395:37
2512.05:395:36
2611.95:395:35
2711.95:395:35
2811.95:395:34
2911.95:395:33
3011.95:395:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.29 kWh/m².

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 6.41 kWh/m² in April across the year — September's 5.29 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.4Bright
125.4Bright
135.4Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Somoto

In seasonPeak

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

Somoto's rainy season runs August–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 Somoto?

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

4.1
Sightseeing
11th-best month of the year
5.1
Beach & pool
11th-best month of the year

September is a reasonable time to visit Somoto for sightseeing.

What to pack for Somoto in September

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

In September, Somoto sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Somoto 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 Somoto peaks around March 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highMar 24UV 14Dec 14UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Somoto 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 Somoto is worst in April — around 24 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (December, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 2324 µg/m³Dec 225 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar8Good
Apr24Moderate
May24Moderate
Jun18Moderate
Jul23Moderate
Aug17Moderate
Sep12Moderate
Oct10Good
Nov7Good
Dec5Good
Location & terrain

Where is Somoto?

Somoto sits at 13.5°N, 86.6°W, 683 m above sea level, in Nicaragua. The nearest listed city is Ocotal, 20 km away.

El ParaísoEstelíSomotilloDanlíCiudad CholutecaJalapaJinotega

Topography around Somoto

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

Within 3 km, the terrain around Somoto has significant variations in elevation — a maximum elevation change of 495 m around an average of 752 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,162 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,071 m.

The land around Somoto is covered by grassland (50%), trees (21%) and shrubs (21%) within 3 km, grassland (48%) and trees (32%) within 16 km, and trees (57%) and grassland (37%) within 80 km.

3 km
495 m
16 km
1,162 m
80 km
2,071 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Ocotal 20 km · El Paraíso 43 km · Estelí 50 km · Somotillo 60 km · Danlí 61 km · Ciudad Choluteca 68 km · Jalapa 69 km · Jinotega 76 km

Nicaragua travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$3,173
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
11.3
per 100k, 2021
Road deaths
16.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 512
Religion
Roman Catholic 45%Protestant 39%none 14%other 1%

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 Somoto (13.4841°, -86.5823°, elevation 683 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).