Sitges Weather in September
September in Sitges typically sees daytime highs of 25°C (77°F) and nighttime lows of 19°C (66°F). As the wettest month of the year, expect more rainfall than other months. It falls within the summer season.
Rainfall in Sitges in September
During the wettest month of the year, an umbrella can be your best friend to stay dry. Historically, September sees about 9 days of rain, with a monthly average of 98 mm (3.9 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Sitges in September
Sitges in September is worth a visit. The temperature is perfect, with 25°C (77°F) during the day and 19°C (66°F) at night. During September, the summer season is in full swing. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Sitges in September
The month enjoys around 218 hours of sunshine, creating mostly sunny days with good weather conditions.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Sitges.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our Sitges's climate page.
Sitges Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
25°C (77°F)
Chance of Rain
28%
Precipitation
98 mm (3.9 in)
Rainy days
9 days
Humidity
74% *
Sunshine
218 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sitges typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 20°C (68°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Sitges in September
Browse day-by-day weather records for Sitges spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sitges historical weather extremes in September
Our historical data for Sitges spans 1976 to 2025, revealing these weather extremes.
- The warmest day in September was on September 8, 1994, with a maximum of 33°C (91°F).
- On September 23, 1993, Sitges saw its coldest September day with temperatures maxing out at 16°C (61°F).
- Nighttime temperatures dropped to 9°C (48°F) on September 28, 2007, marking the coldest September night on record.
Best Places in Spain in September
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Sitges in September
Warm but pleasant conditions in Sitges in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Sitges 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 Spain, check out our Sitges's climate page.
Temperature Rainfall Sunshine Humidity
See the full Sitges climate overview or explore weather in Spain.
