Mindelo weather in September

In September, Mindelo sees average daytime highs of 25°C and overnight lows near 24°C, with 38 mm of rain across 4.9 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 46% of the time in September, and the air most often feels oppressive.

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 Mindelo's 9th-clearest and 10th-windiest month. For the whole year in context, see Mindelo's year-round climate.

Daytime high
25°
1st warmest
Overnight low
24°
12th coldest
Rainfall
38 mm
4.9 wet days
Daylight
12 h 06 min
6:31 AM – 6:37 PM
Cloud cover
47%
9th clearest
Wind
24 km/h
10th windiest
Solar energy
6.11 kWh/m²
Travel score
7.9
out of 10

Mindelo is second largest city of Cape Verde.

Density
1,030/km²
people per km²
Founded
1793

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 25°C through the month.

A typical September day in Mindelo reaches about 25°C in the afternoon and slips back to 24°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 26°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12524
22524
32524
42524
52524
62524
72524
82524
92524
102524
112524
122524
132524
142524
152524
162524
172524
182524
192524
202524
212524
222524
232524
242524
252524
262524
272524
282524
292524
302524

Mindelo weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 20°51.111.18.0
Feb20° / 19°30.911.48.0
Mar20° / 19°10.311.98.2
Apr21° / 20°10.212.48.2
May21° / 21°10.112.88.5
Jun22° / 21°00.2138.6
Jul23° / 22°40.912.98.5
Aug24° / 24°193.612.68.2
Sep25° / 24°384.912.17.9
Oct25° / 24°201.811.68.4
Nov24° / 23°71.111.28.4
Dec22° / 21°61.4118.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26733
36733
46733
56832
66832
76832
86931
96931
106931
117030
127030
137030
146931
156931
167030
177030
187030
197129
207129
217129
227129
237129
247129
257228
267129
277129
287228
297129
307228

Chance of precipitation in September

Any precipitation

Mindelo gets around 38 mm of rain over 4.9 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
118
219
319
419
519
619
719
819
919
1018
1118
1218
1318
1417
1517
1617
1716
1816
1915
2015
2114
2214
2313
2413
2512
2612
2711
2810
2910
309

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 78% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1019801
2018811
3017821
4017821
5017821
6016831
7016831
8116821
9117811
10117811
11117811
12117811
13117811
14118801
15119791
16119791
17120781
18121771
19121771
20122761
21122761
22122761
23123751
24123751
25123751
26124741
27124741
28125731
29126721
30126721

Wind in September

Winds average 24 km/h in September.

Across September, daily wind ranges from about 23 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1724breezy
1824breezy
1924breezy
2024breezy
2124breezy
2224breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy

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 6:30 AM to 6:33 AM, and sunset from 6:50 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:306:50
212.36:306:49
312.36:306:48
412.36:306:47
512.36:306:46
612.36:306:46
712.26:306:45
812.26:306:44
912.26:316:43
1012.26:316:42
1112.26:316:41
1212.26:316:40
1312.16:316:40
1412.16:316:39
1512.16:316:38
1612.16:316:37
1712.16:326:36
1812.16:326:35
1912.06:326:34
2012.06:326:34
2112.06:326:33
2212.06:326:32
2312.06:326:31
2412.06:326:30
2511.96:336:29
2611.96:336:29
2711.96:336:28
2811.96:336:27
2911.96:336:26
3011.96:336:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.11 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 7.07 kWh/m² in May across the year — September's 6.11 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Mindelo

In seasonPeak

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

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

Mindelo sees seasonal dust haze (May–October), heaviest in June.

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

Is September a good time to visit Mindelo?

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

7.9
Sightseeing
12th-best month of the year
7.1
Beach & pool
2nd-best month of the year

September is one of the better times to visit Mindelo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mindelo in September

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

In September, Mindelo sees daytime highs around 25°C and nights near 24°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 5 days see rain.

sun protectionlight clothesa windbreaker

Sea temperature near Mindelo in September

The nearest coast averages about 27°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 27°C and coldest in February near 22°C.

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

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb22Refreshing
Mar22Refreshing
Apr23Refreshing
May23Refreshing
Jun24Refreshing
Jul25Warm
Aug26Warm
Sep27Warm
Oct27Warm
Nov26Warm
Dec24Warm

UV index in Mindelo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mindelo peaks around May 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highExtremeVery highHighMay 18UV 12Dec 19UV 6
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar12Extreme
Apr10Very high
May12Extreme
Jun11Extreme
Jul9Very high
Aug9Very high
Sep11Extreme
Oct10Very high
Nov8Very high
Dec6High

Air quality in Mindelo 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 Mindelo is worst in December — around 56 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (May, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateModeratePoorDec 2356 µg/m³May 1112 µg/m³
PM2.5 (µg/m³)Level
Jan53Poor
Feb39Poor
Mar23Moderate
Apr13Moderate
May11Good
Jun23Moderate
Jul26Moderate
Aug26Moderate
Sep23Moderate
Oct25Moderate
Nov25Moderate
Dec56Unhealthy
Location & terrain

Where is Mindelo?

Mindelo sits at 16.9°N, 25.0°W, 44 m above sea level, in Cabo Verde. The nearest listed city is Espargos, 217 km away.

EspargosAssomadaPraia

Topography around Mindelo

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

Within 3 km, the terrain around Mindelo has significant variations in elevation — a maximum elevation change of 273 m around an average of 55 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 704 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,966 m.

The land around Mindelo is covered by bare terrain (47%), water (26%) and artificial surfaces (21%) within 3 km, water (73%) and bare terrain (23%) within 16 km, and water (90%) within 80 km.

3 km
273 m
16 km
704 m
80 km
1,966 m
shrubsgrasslandartificial surfacesbare terrainwater
September weather nearby: Espargos 217 km · Assomada 243 km · Praia 268 km · Dakar 842 km · Le Plateau 844 km · Guédiawaye 844 km · Pikine 846 km · N’diareme limamoulaye 846 km

Cabo Verde travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$5,796
2025
Homicide rate
7
per 100k, 2020
Road deaths
26.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Roman Catholic 73%none 16%Protestant 4%Christian Rationalism 2%

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 Mindelo (16.8901°, -24.9804°, elevation 44 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).