Porto Novo, Santo Antao weather in September 2025

Q: How hot is it in Porto Novo, Santo Antao in September?

Daytime temperatures usually reach 27°C in Porto Novo, Santo Antao in September with moderate heat and humidity, falling to 21°C at night.

Q: How warm is the sea around Porto Novo, Santo Antao in September?

The average sea temperature around Porto Novo, Santo Antao in September is 26°C.

Q: Does it ever rain in Porto Novo, Santo Antao in September?

There are usually 4 days with some rain in Porto Novo, Santo Antao in September and the average monthly rainfall is 35mm.

Q: What is the chance of a cyclone in Porto Novo, Santo Antao in September?

On average less than 1 day in September in Porto Novo, Santo Antao is likely to be affected by the passage of one or more tropical storms.

Expect 81°F daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Porto Novo, Santo Antao in September. Check more long-term weather averages for Porto Novo, Santo Antao in September before you book your next holiday to Cape Verde in 2025/2026.

81
81°F max day temperature
4
4 days with some rainfall
70
70°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
1.4
1.4 inches of monthly rainfall
11
11+ (Extreme) UV index
79
79°F sea temperature

More about Porto Novo, Santo Antao

Porto Novo, Santo Antao by month

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The September weather guide for Cape Verde (Porto Novo, Santo Antao) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about Cape Verde

How hot is it in Porto Novo, Santo Antao in September?

Daytime temperatures usually reach 81°F in Porto Novo, Santo Antao in September with moderate heat and humidity, falling to 70°F at night.

How warm is the sea around Porto Novo, Santo Antao in September?

The average sea temperature around Porto Novo, Santo Antao in September is 79°F.

Does it ever rain in Porto Novo, Santo Antao in September?

There are usually 4 days with some rain in Porto Novo, Santo Antao in September and the average monthly rainfall is 1.4 inches.

What is the chance of a hurricane in Porto Novo, Santo Antao in September?

On average less than 1 day in September in Porto Novo, Santo Antao is likely to be affected by the passage of one or more tropical storms.

Porto Novo, Santo Antao September sunrise & sunset times

Browse the sunrise and sunset times for Porto Novo, Santo Antao in September 2025. Select a month to view Porto Novo, Santo Antao sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Monday, 1st September 2025	06:27	18:53
Monday, 15th September 2025	06:28	18:42
Tuesday, 30th September 2025	06:30	18:30

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Cape Verde - quick facts
Flight time^✝	6 hours
Time difference	UK -1 hour
Language(s)	Portuguese
Currency	Cape Verdean Escudo
Electricity	C + F plug (230V)
Driving side	Right
Why visit?	Beaches Nature
Tourist info	Cape Verde Ministry of Tourism