Sant Boi del Llobregat Weather in September

September in Sant Boi del Llobregat brings high temperatures, with daytime highs of 25°C (77°F) and nights around 19°C (66°F). Quite a bit of rainfall is expected, around 93 mm (3.7 in), so pack an umbrella.

Rainfall in Sant Boi del Llobregat in September

You can expect rain on around 9 days based on historical patterns, with 93 mm (3.7 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Sant Boi del Llobregat in September

September is a excellent month in Sant Boi del Llobregat, with 25°C (77°F) during the day and 19°C (66°F) at night. During September, the summer season is in full swing. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 19°C (66°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 Boi del Llobregat in September

There are approximately 218 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Sant Boi del Llobregat in September

Average wind conditions reach 2 m/s (4 knots) in September. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

Average water temperature in September

With water at 22°C (72°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

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

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• January
• February
• March
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• May
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• August

• September
• October
• November
• December

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

Sant Boi del Llobregat Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 25°C (77°F)  

Water Temperature 22°C (72°F) *  

Chance of Rain 29%  

Precipitation 93 mm (3.7 in)  

Rainy days 9 days  

Humidity 74% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 218 hours *  

Percentage Sunshine *  

* Data from: Barcelona, Spain (11 KM, 6 Miles).

What to Wear in Sant Boi del Llobregat 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. Expect water temperatures of around 22°C (72°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Sant Boi del Llobregat 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 Boi del Llobregat's climate page.

More climate data for Sant Boi del Llobregat

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Sant Boi del Llobregat climate overview or explore weather in Spain.