Sant Joan Despí Weather in September

During September, Sant Joan Despí experiences high daytime temperatures of 25°C (77°F) and cooler nights around 18°C (64°F). As part of the summer season, expect quite a bit of rainfall. Around 92 mm (3.6 in) is typical.

Rainfall in Sant Joan Despí in September

Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 92 mm (3.6 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Sant Joan Despí in September

September tends to be one of the excellent months in Sant Joan Despí, with 25°C (77°F) in the afternoon and 18°C (64°F) overnight. During September, you'll experience the summer season. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Sant Joan Despí in September

The days are predominantly sunny, with an estimated total of around 218 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Sant Joan Despí in September

Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

Average water temperature in September

The water temperature is 22°C (72°F), which most people find very comfortable. A good month for swimming and water sports.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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For a detailed overview over the year and the best time to visit Spain, check out our Sant Joan Despí's climate page.

Sant Joan Despí Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 25°C (77°F)  

Water Temperature 22°C (72°F) *  

Chance of Rain 29%  

Precipitation 92 mm (3.6 in)  

Rainy days 9 days  

Humidity 74% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 218 hours *  

Percentage Sunshine *  

* Data from: Barcelona, Spain (8 KM, 5 Miles).

What to Wear in Sant Joan Despí 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. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 22°C (72°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Sant Joan Despí in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 Spain, check out our Sant Joan Despí's climate page.

More climate data for Sant Joan Despí

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Sant Joan Despí climate overview or explore weather in Spain.