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Santa Maria Weather in September

September in Santa Maria brings high temperatures, with daytime highs of 28°C (82°F) and nights around 26°C (79°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Santa Maria in September

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. This month experiences about 4 days of rain according to historical data, averaging 36 mm (1.4 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in Santa Maria in September

September is a perfect month in Santa Maria, with 28°C (82°F) during the day and 26°C (79°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.

Sunshine in Santa Maria in September

The area enjoys a moderate level of sunlight, with around 179 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Santa Maria in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

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 Santa Maria's climate page.

Santa Maria Temperature in September

Min TemperatureMin Temperature 26°C (79°F)  
Max TemperatureMax Temperature 28°C (82°F)  
Water TemperatureWater Temperature 26°C (79°F) *  
Chance of RainChance of Rain 12%  
PrecipitationPrecipitation 36 mm (1.4 in)  
Rainy daysRainy days 4 days  
HumidityHumidity 77% *  
WindspeedWindspeed 5 m/s (10 knots) *  
SunshineSunshine 179 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Sal, Cape Verde (15 KM, 9 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Santa Maria 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

Historical weather for Santa Maria in September

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

Santa Maria historical weather extremes in September

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

  • The hottest September day on record in Santa Maria reached 35°C (95°F) (September 9, 1980).
  • The lowest daytime temperature in September was 25°C (77°F), recorded on September 30, 1991.
  • Santa Maria registered its coldest September night on September 8, 1989, with temperatures dropping to 20°C (68°F).

Best Places in Cape Verde in September

Find out more about the weather in Cape Verde and which places have the best travel conditions in this month. See all of Cape Verde in September →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Santa Maria 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. Expect water temperatures of around 26°C (79°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Santa Maria 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.

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

More climate data for Santa Maria