Estelí weather in September

In September, Estelí sees average daytime highs of 28°C and overnight lows near 20°C, with 227 mm of rain across 23.7 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 Estelí's 11th-clearest and 12th-windiest month. For the whole year in context, see Estelí's year-round climate.

Daytime high
28°
6th warmest
Overnight low
20°
7th coldest
Rainfall
227 mm
23.7 wet days
Daylight
12 h 06 min
5:38 AM – 5:42 PM
Cloud cover
78%
11th clearest
Wind
7 km/h
12th windiest
Solar energy
5.25 kWh/m²
Travel score
3.9
out of 10

Estelí is large urban settlement and municipal seat in Estelí Department, 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 28°C through the month.

A typical September day in Estelí reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°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
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820

Estelí weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°30.711.38.2
Feb29° / 18°30.511.67.4
Mar30° / 19°61.411.96.2
Apr31° / 20°365.412.34.8
May30° / 21°23117.812.63.9
Jun28° / 20°1872112.84.3
Jul28° / 20°8314.712.75.2
Aug29° / 20°15018.912.44.4
Sep28° / 20°22723.712.13.9
Oct27° / 20°24822.911.74.4
Nov27° / 19°558.711.46.6
Dec27° / 18°61.611.28.0

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 12% of September, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32476
42476
52476
62476
72476
82377
92377
102377
112179
122179
132080
141981
151882
161783
171684
181684
191684
201486
211486
221486
231486
241486
251486
261486
271486
281486
291486
301486

Chance of precipitation in September

Any precipitation

Estelí gets around 227 mm of rain over 23.7 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 79% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
172
272
373
473
573
673
774
874
974
1075
1176
1276
1377
1478
1579
1680
1781
1881
1982
2083
2183
2284
2384
2485
2585
2685
2785
2885
2984
3084

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
19865
29865
39865
49865
59865
69865
79865
88875
98875
108875
118875
127885
137885
147885
156895
165905
175896
184906
194906
203916
213916
222926
232926
241936
251936
261936
271936
281936
291927
301927

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:37 AM to 5:38 AM, and sunset from 5:53 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:375:53
212.25:375:52
312.25:385:51
412.25:385:51
512.25:385:50
612.25:385:49
712.25:385:49
812.25:385:48
912.25:385:47
1012.15:385:46
1112.15:385:46
1212.15:385:45
1312.15:385:44
1412.15:385:43
1512.15:385:43
1612.15:385:42
1712.15:385:41
1812.05:385:40
1912.05:385:40
2012.05:385:39
2112.05:385:38
2212.05:385:37
2312.05:385:37
2412.05:385:36
2512.05:385:35
2611.95:385:35
2711.95:385:34
2811.95:385:33
2911.95:385:32
3011.95:385:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.25 kWh/m².

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 6.44 kWh/m² in April across the year — September's 5.25 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
Planning a trip in September

Hazard calendar for Estelí

In seasonPeak

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

Estelí'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 Estelí?

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

3.9
Sightseeing
11th-best month of the year
4.5
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Estelí.

What to pack for Estelí in September

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

In September, Estelí sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Estelí 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 Estelí 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 Estelí 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 Estelí is worst in July — around 24 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (January, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1623 µg/m³Jan 176 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar9Good
Apr21Moderate
May23Moderate
Jun19Moderate
Jul24Moderate
Aug18Moderate
Sep14Moderate
Oct12Good
Nov9Good
Dec8Good
Location & terrain

Where is Estelí?

Estelí sits at 13.1°N, 86.4°W, 833 m above sea level, in Nicaragua. The nearest listed city is Jinotega, 38 km away.

JinotegaSomotoMatagalpaSomotilloOcotalEl ParaísoLa Paz CentroCiudad Choluteca

Topography around Estelí

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

Within 3 km, the terrain around Estelí has only modest variations in elevation — a maximum elevation change of 247 m around an average of 860 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,177 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,071 m.

The land around Estelí is covered by artificial surfaces (38%) and grassland (31%) within 3 km, grassland (49%) and trees (34%) within 16 km, and trees (53%) and grassland (39%) within 80 km.

3 km
247 m
16 km
1,177 m
80 km
2,071 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Jinotega 38 km · Somoto 50 km · Matagalpa 51 km · Somotillo 60 km · Ocotal 61 km · El Paraíso 89 km · La Paz Centro 91 km · Ciudad Choluteca 92 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 Estelí (13.0929°, -86.3559°, elevation 833 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).