Nandaime weather in September

In September, Nandaime sees average daytime highs of 30°C and overnight lows near 24°C, with 212 mm of rain across 26.8 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 10% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Nandaime's 11th-clearest and 11th-windiest month. For the whole year in context, see Nandaime's year-round climate.

Daytime high
30°
7th warmest
Overnight low
24°
7th coldest
Rainfall
212 mm
26.8 wet days
Daylight
12 h 06 min
5:37 AM – 5:40 PM
Cloud cover
76%
11th clearest
Wind
11 km/h
11th windiest
Solar energy
5.5 kWh/m²
Travel score
3.1
out of 10

Nandaime is municipal seat in Granada 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 30°C through the month.

A typical September day in Nandaime reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
222924
232924
242924
252924
262924
272924
282924
292924
302924

How September really feels in Nandaime

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nandaime weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°30.911.47.0
Feb30° / 23°20.611.66.7
Mar31° / 23°30.811.96.0
Apr32° / 24°16412.34.9
May31° / 25°16017.912.53.6
Jun30° / 24°18725.412.73.1
Jul29° / 24°13522.812.63.6
Aug30° / 24°15524.312.43.4
Sep30° / 24°21226.812.13.1
Oct29° / 24°24225.111.73.5
Nov29° / 24°7510.911.55.3
Dec29° / 23°9211.36.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12773
22773
32773
42773
52773
62872
72872
82872
92773
102773
112674
122674
132575
142476
152377
162377
172278
182179
192179
202179
212080
222080
232080
242080
252080
261981
272080
282080
292080
302080

Chance of precipitation in September

Any precipitation

Nandaime gets around 212 mm of rain over 26.8 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 89% and peaks near 92% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
184
284
384
484
585
685
785
886
986
1087
1187
1288
1388
1489
1589
1690
1791
1891
1992
2092
2192
2292
2392
2492
2592
2692
2792
2891
2991
3091

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1964
2955
3955
4955
5955
6955
7955
8955
9955
10946
11946
12946
13946
14946
15946
16946
17946
18946
19937
20937
21937
22946
23946
24946
25946
26946
27946
28946
29955
30955

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712calm
812calm
912calm
1012calm
1112calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 5:37 AM to 5:36 AM, and sunset from 5:51 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:375:51
212.25:375:50
312.25:375:49
412.25:375:49
512.25:375:48
612.25:375:47
712.25:375:47
812.25:375:46
912.15:375:45
1012.15:375:45
1112.15:375:44
1212.15:375:43
1312.15:375:43
1412.15:375:42
1512.15:375:41
1612.15:375:40
1712.15:375:40
1812.05:375:39
1912.05:365:38
2012.05:365:38
2112.05:365:37
2212.05:365:36
2312.05:365:36
2412.05:365:35
2512.05:365:34
2612.05:365:33
2711.95:365:33
2811.95:365:32
2911.95:365:31
3011.95:365:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 6.87 kWh/m² in April across the year — September's 5.5 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.4Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Nandaime

In seasonPeak

In September, Nandaime sits inside its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.

Nandaime sits in the Atlantic hurricane belt; the season peaks August–October.

Nandaime's monsoon runs May–October, when most of the year's rain falls.

Atlantic hurricane
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Nandaime?

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

3.1
Sightseeing
11th-best month of the year
4.1
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Nandaime.

What to pack for Nandaime in September

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

In September, Nandaime sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Nandaime in September

The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 38 km away) is warmest in September at about 29°C and coldest in February near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb26Warm
Mar26Warm
Apr27Warm
May29Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec27Warm

UV index in Nandaime in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nandaime peaks around March 20 at about 14 (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 highMar 20UV 14Dec 15UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Nandaime 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 Nandaime is worst in July — around 25 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (January, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1625 µg/m³Jan 187 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar10Good
Apr21Moderate
May24Moderate
Jun21Moderate
Jul25Moderate
Aug20Moderate
Sep15Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Nandaime?

Nandaime sits at 11.8°N, 86.1°W, 142 m above sea level, in Nicaragua. The nearest listed city is Jinotepe, 19 km away.

El CruceroRivas

Topography around Nandaime

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

Within 3 km, the terrain around Nandaime has only modest variations in elevation — a maximum elevation change of 103 m around an average of 141 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,305 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,568 m.

The land around Nandaime is covered by grassland (39%) and trees (37%) within 3 km, trees (64%) and grassland (30%) within 16 km, and water (49%) and trees (29%) within 80 km.

3 km
103 m
16 km
1,305 m
80 km
1,568 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Jinotepe 19 km · Masatepe 20 km · Granada 22 km · Diriamba 23 km · San Marcos 24 km · Masaya 24 km · El Crucero 38 km · Rivas 43 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 Nandaime (11.757°, -86.0529°, elevation 142 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).