Castellet Weather in September

In Castellet, September brings high daytime temperatures around 26°C (79°F), with nights cooling to 18°C (64°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Castellet in September

This is the wettest month of the year, so having an umbrella ready is a smart choice. You can typically expect 9 days of rain this month, averaging around 96 mm (3.8 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Castellet in September

The perfect temperature in Castellet in September makes it a solid month to visit, with 26°C (79°F) during the day and 18°C (64°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Castellet in September

The city usually sees around 218 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Castellet.

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• January
• February
• March
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• May
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• October
• November
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For a detailed overview over the year and the best time to visit Spain, check out our Castellet's climate page.

Castellet Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 28%  

Precipitation 96 mm (3.8 in)  

Rainy days 9 days  

Humidity 74% *  

Sunshine 218 hours *  

Percentage Sunshine *  

* Data from: Barcelona, Spain (45 KM, 28 Miles).

What to Wear in Castellet 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Castellet 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 Castellet's climate page.

More climate data for Castellet

Temperature Rainfall Sunshine Humidity

See the full Castellet climate overview or explore weather in Spain.