Jalapa weather in September

In September, Jalapa sees average daytime highs of 29°C and overnight lows near 20°C, with 156 mm of rain across 24.4 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 Jalapa's 10th-clearest and 12th-windiest month. For the whole year in context, see Jalapa's year-round climate.

Daytime high
29°
4th warmest
Overnight low
20°
8th coldest
Rainfall
156 mm
24.4 wet days
Daylight
12 h 06 min
5:37 AM – 5:41 PM
Cloud cover
76%
10th clearest
Wind
5 km/h
12th windiest
Solar energy
5.23 kWh/m²
Travel score
3.6
out of 10

Jalapa is Town in the northeast of Nueva Segovia Department, Nicaragua. Seat of the municipality..

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 Jalapa 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 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)
12820
22820
32820
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262820
272820
282820
292820
302820

Jalapa 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
Jan25° / 17°3611.711.36.7
Feb26° / 17°248.411.56.8
Mar29° / 18°226.711.96.3
Apr31° / 19°447.512.35.0
May30° / 20°16618.712.63.8
Jun28° / 20°17825.512.83.6
Jul27° / 20°14226.112.74.0
Aug28° / 20°1302512.54.0
Sep29° / 20°15624.412.13.6
Oct28° / 19°19223.911.74.2
Nov26° / 18°831611.45.6
Dec25° / 17°4213.211.26.4

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 17% of September, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22872
32872
42773
52773
62773
72773
82773
92674
102674
112674
122575
132575
142575
152575
162575
172476
182476
192377
202377
212278
222278
232179
242179
252179
262179
272080
282080
291981
301882

Chance of precipitation in September

Any precipitation

Jalapa gets around 156 mm of rain over 24.4 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 82% and peaks near 86% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
177
277
377
477
577
677
777
878
978
1079
1180
1280
1381
1482
1582
1683
1783
1884
1984
2085
2185
2285
2386
2486
2586
2686
2786
2885
2985
3085

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
118514
218514
318514
418514
518514
618514
728414
818514
918514
1018514
1118514
1218415
1318415
1418415
1518316
1618316
1718316
1808317
1908317
2008317
2108317
2208317
2308218
2408317
2508317
2608317
2708317
2808317
2908416
3018316

Wind in September

Winds average 5 km/h in September, the calmest month.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
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 5:36 AM to 5:37 AM, and sunset from 5:52 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:365:52
212.35:365:52
312.25:365:51
412.25:365:50
512.25:365:49
612.25:365:49
712.25:365:48
812.25:365:47
912.25:365:46
1012.25:365:46
1112.15:365:45
1212.15:365:44
1312.15:365:43
1412.15:365:43
1512.15:365:42
1612.15:375:41
1712.15:375:40
1812.05:375:40
1912.05:375:39
2012.05:375:38
2112.05:375:37
2212.05:375:36
2312.05:375:36
2412.05:375:35
2512.05:375:34
2611.95:375:33
2711.95:375:33
2811.95:375:32
2911.95:375:31
3011.95:375:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.23 kWh/m².

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 6.13 kWh/m² in April across the year — September's 5.23 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
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 Jalapa

In seasonPeak

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

Jalapa'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 Jalapa?

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

3.6
Sightseeing
11th-best month of the year
4.4
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Jalapa.

What to pack for Jalapa in September

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

In September, Jalapa sees daytime highs around 29°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 Jalapa 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 Jalapa peaks around April 11 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 highApr 11UV 14Dec 14UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Jalapa 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 Jalapa is worst in April — around 33 µg/m³ PM2.5 (moderate), about 6.3× the cleanest month (December, 5 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 2232 µg/m³Dec 235 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar10Good
Apr33Moderate
May31Moderate
Jun20Moderate
Jul25Moderate
Aug18Moderate
Sep13Moderate
Oct10Good
Nov7Good
Dec5Good
Location & terrain

Where is Jalapa?

Jalapa sits at 13.9°N, 86.1°W, 686 m above sea level, in Nicaragua. The nearest listed city is El Paraíso, 46 km away.

El ParaísoOcotalDanlíSomotoTeupasentiMorocelíJuticalpaJinotega

Topography around Jalapa

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

Within 3 km, the terrain around Jalapa has large variations in elevation — a maximum elevation change of 618 m around an average of 737 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,337 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,897 m.

The land around Jalapa is covered by trees (62%) within 3 km, trees (73%) and grassland (20%) within 16 km, and trees (66%) and grassland (31%) within 80 km.

3 km
618 m
16 km
1,337 m
80 km
1,897 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: El Paraíso 46 km · Ocotal 50 km · Danlí 51 km · Somoto 69 km · Teupasenti 70 km · Morocelí 83 km · Juticalpa 83 km · Jinotega 93 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 Jalapa (13.9222°, -86.1235°, elevation 686 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).