São Pedro Weather in September
September in São Pedro averages 27°C (81°F) during the day and 25°C (77°F) at night. It is the wettest month of the year, with 38 mm (1.5 in) of rainfall on average, so waterproof gear is a must.
Rainfall in São Pedro in September
As the month with the highest rainfall, make sure to have an umbrella to manage the showers. Climate statistics over the past 30 years suggest around 5 days of rain, with 38 mm (1.5 in) average for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in São Pedro in September
The temperature in São Pedro in September is perfect. Daytime highs reach 27°C (81°F), with nights dropping to 25°C (77°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about. It's the warmest month of the year on average, so summer clothing is the way to go.
Sunshine in São Pedro in September
The month enjoys around 230 hours of sunshine, creating mostly sunny days with good weather conditions.
Average water temperature in September
The water temperature is 26°C (79°F), which most people find very comfortable. A good month for swimming and water sports.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
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 São Pedro's climate page.
São Pedro Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
27°C (81°F)
Water Temperature
26°C (79°F) *
Chance of Rain
16%
Precipitation
38 mm (1.5 in)
Rainy days
5 days
Humidity
77% *
Sunshine
230 hours *
Percentage Sunshine
*
Daily Historical Temperatures
32-year average (1988-2025)
Based on our historical records, temperatures in São Pedro typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Historical weather for São Pedro in September
Browse day-by-day weather records for São Pedro spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
São Pedro historical weather extremes in September
The extremes listed below come from historical weather data collected in São Pedro from 2006 through 2025.
- On September 19, 2025, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
- The coldest September day was on September 1, 2007, with a maximum of 25°C (77°F).
- São Pedro registered its coldest September night on September 27, 2022, with temperatures dropping to 23°C (73°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 →
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What to Wear in São Pedro in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in São Pedro in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 São Pedro's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full São Pedro climate overview or explore weather in Cape Verde.
