Sal Weather in September

Sal in September averages 28°C (82°F) during the day and 26°C (79°F) at night. This is the wettest month of the year.

Rainfall in Sal in September

During the wettest month of the year, an umbrella can be your best friend to stay dry. This month experiences about 3 days of rain according to historical data, averaging 35 mm (1.4 in). Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in Sal in September

September is a perfect month in Sal, with 28°C (82°F) during the day and 26°C (79°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.

Sunshine in Sal in September

The area experiences a moderate amount of sunshine, with approximately 179 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Sal in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in September

With water at 26°C (79°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

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For a detailed overview over the year and the best time to visit Cape Verde, check out our Sal's climate page.

Sal Temperature in September

Min Temperature 26°C (79°F)  

Max Temperature 28°C (82°F)  

Water Temperature 26°C (79°F)  

Chance of Rain 10%  

Precipitation 35 mm (1.4 in)  

Rainy days 3 days  

Humidity 77%  

Windspeed 5 m/s (10 knots)  

Sunshine 179 hours  

Percentage Sunshine  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Sal typically stay consistent throughout September, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in September

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Historical weather for Sal in September

Browse day-by-day weather records for Sal spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Sal historical weather extremes in September

Based on weather observations in Sal between 1979 and 2025, these are the recorded extremes during September.

• The warmest day in September was on September 9, 1980, with a maximum of 35°C (95°F).
• The lowest daytime temperature in September was 25°C (77°F), recorded on September 30, 1991.
• Sal registered its coldest September night on September 8, 1989, with temperatures dropping to 20°C (68°F).

What to Wear in Sal in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. The water temperature sits at about 26°C (79°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Sal in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

8/10

Walking

8/10

Camping

9/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Cape Verde, check out our Sal's climate page.

More climate data for Sal

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Sal climate overview or explore weather in Cape Verde.