September Weather in Sitges, Spain

Last updated: February 6, 2025

In September, Sitges, Spain experiences a delightful transition into autumn, with maximum temperatures reaching 30°C (86°F) and an average of 22°C (72°F), making it an ideal time for outdoor activities. The weather is generally warm, although it cools down to a minimum of 14°C (57°F) at night. Visitors should be prepared for some rainfall, as the month sees an average precipitation total of 98 mm (3.8 in) across 13 days, contributing to a humidity level of 68% that can enhance the coastal atmosphere. Overall, September offers a charming combination of warm days and refreshing evenings, perfect for exploring the beauty of Sitges.

September Temperature in Sitges

As summer gracefully transitions into autumn, September in Sitges, Spain, showcases a delightful blend of warmth and comfort. With average temperatures hovering around 22°C (72°F), the seaside town enjoys a lovely climate that invites both locals and tourists to relish outdoor activities. The maximum temperatures reach up to 30°C (86°F), providing plenty of sun-kissed days to explore the beauty of the Mediterranean coast. Evenings bring a gentle cooling, with minimum temperatures around 14°C (57°F), making it perfect for sunset strolls along the beach. This month epitomizes a wonderful balance, as it bridges the lingering warmth of summer with the approaching mildness of fall, embodying the charm of Sitges in all its vibrant hues.

September Weather in Sitges: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sitges, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec485254576471767772655652
Data source: Temperature data for Sitges generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sitges

September in Sitges, Spain, marks a significant shift in precipitation, with rainfall soaring to 98 mm (3.8 in), the highest for the month compared to the rest of the year. This wet month sees 13 rainy days, reflecting a transition from the drier summer months of July and August, which recorded only 30 mm (1.2 in) and 44 mm (1.7 in) of precipitation over 6 and 8 days, respectively. As summer wanes, the increased rainfall not only replenishes the landscape but also sets the stage for the lush autumn that follows. October continues this trend with even higher precipitation, emphasizing the seasonal change in this coastal region.

September Precipitation Trends in Sitges

The chart displays monthly precipitation patterns in Sitges, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec5747506939323044981097228
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Sitges

As summer transitions into autumn, September humidity in Sitges, Spain experiences a mild increase, peaking at 68%. This marks a slight rise from the drier months of July and August, where humidity levels hovered around 64%. After a steady decline from the high of 79% in January, the trend shows that September serves as a bridge between the warm, balmy summer and the crisp, humid falls that follow. The gradual upturn in humidity reflects the lingering warmth, preparing the region for the upcoming months, when humidity climbs again in October to 77%. Thus, September strikes a balance, offering comfort as summer fades while hinting at the wetter season ahead.

September Average Humidity in Sitges

This chart illustrates the average monthly humidity levels in Sitges, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sitges

As September rolls into Sitges, Spain, the UV Index shows a notable dip to 7, categorizing it as high and translating to a burn time of 25 minutes. This slight decrease from the intense peaks of 9 and 10 seen in the summer months still emphasizes the importance of sun protection, especially as the weather remains warm. Overall, the trend reveals that while the summer months are prime for basking under the sun, September still demands caution for those enjoying the outdoors. For more detailed information on how to stay safe under the sun, check out Sitges UV Index.

Maximum UV Index Levels in Sitges for September

The chart shows the monthly maximum UV Index (UVI) for Sitges in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Sitges September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Sitges

September in Sitges, Spain, is a delightful transition from the sun-soaked days of summer to the quieter comforts of autumn. With 339 hours of sunshine, it outshines the cooler months but reflects a gentle decline from the peak July hours of 425. This trend underscores the city’s enduring charm, as daylight lingers a bit longer than in the earlier months, offering the perfect backdrop to enjoy the stunning coastline and vibrant culture. As visitors savor the mild temperatures and slightly diminished crowds, September emerges as a hidden gem for those seeking to bask in the golden hues of the Mediterranean sun without the summer rush.

Monthly Sunshine Duration in Sitges: September Highlighted

The September sunshine duration represents the total number of hours Sitges experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec207h265h334h346h407h413h425h396h339h313h265h262h
Data source: Sitges September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sitges During September

In Sitges, Spain, the likelihood of sunny weather varies across the year, and September marks a notable dip with a 35% chance of sunshine. This is a significant drop compared to the peak summer months of July and August, where sun-seekers enjoy 70% and 49% chances, respectively. Following the warm summer, September's transition into autumn brings increased cloud cover and occasional rainfall, making it one of the less sunny months. However, with 46% sunshine potential in December, the weather does bounce back, illustrating how seasonal patterns influence the sun’s presence in this charming coastal town.

Percentage of Sunny Days in September in Sitges

The chart illustrates the percentage of sunny days in Sitges throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Sitges experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%38%56%37%43%52%70%49%35%43%45%52%
Data source: Sitges September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sitges in September

As summer transitions into autumn, September in Sitges, Spain, offers a delightful balance of daylight, with 12 hours illuminating the vibrant coastal town. This month marks a subtle shift from the sunnier days of June and July, which boasted 15 and 14 hours of daylight respectively. While the golden glow of summer begins to wane, September still welcomes a generous dose of sunlight, allowing residents and visitors to enjoy warm beach days and beautiful sunsets. Following this trend, daylight hours will gradually decrease further into the fall, hinting at the nearing winter, with October dropping to 11 hours. This rhythmic cycle of light not only emphasizes the charm of Sitges but also invites outdoor adventures before the chill of winter sets in.

Average Daylight Hours in Sitges for September

The chart illustrates the variation in daylight duration in Sitges throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 33m10h 36m11h 57m13h 20m14h 30m15h 5m14h 47m13h 45m12h 25m11h 3m9h 50m9h 13m
Data source: Sitges daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sitges

As summer fades and autumn begins in Sitges, Spain, September marks a gentle transition in the coastal breeze. With an average wind speed of 3.2 m/s (7 mph), the winds are modest, offering a pleasant backdrop for beachgoers and outdoor enthusiasts. Notably, September maintains a similar wind speed to its immediate predecessors, July and August, where winds hover around 3.0 to 3.3 m/s. However, as the seasons shift, one can expect a slight uptick in windiness come October, dropping to 2.9 m/s (7 mph) as autumn deepens. This pattern reveals a consistent coastal ambiance throughout late summer, providing just the right touch of refreshing air as the vibrant Mediterranean life begins to settle into the cooler months.

Average September Wind Speed in Sitges

The chart displays monthly wind speed patterns in Sitges, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.33.83.33.23.63.23.33.03.2 m/s2.94.13.9
Data source: Sitges September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sitges Compares to Other Months

The weather in Sitges changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Sitges and find detailed weather information for every month.

September and January present starkly contrasting weather conditions. In September, temperatures range from a mild 14°C (57°F) at night to a warm 30°C (86°F) during the day, with an average of 22°C (72°F). The month also witnesses significant precipitation, with 98 mm (3.8 in) falling over 13 days, contributing to a humidity level of 68%. Conversely, January experiences much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 20°C (69°F), averaging only 9°C (49°F). Precipitation is lower in January at 57 mm (2.2 in) over just 6 days, and humidity is higher at 79%. For more details, check out Sitges weather in January.

September and February present a stark contrast in weather conditions. In September, temperatures range from a minimum of 14°C (57°F) to a pleasant average of 22°C (72°F), peaking at a warm 30°C (86°F). The month sees significant rainfall, accumulating 98 mm (3.8 in) over 13 days, while humidity sits at a comfortable 68%. In contrast, February experiences much cooler temperatures, with a minimum of 1°C (33°F) and an average of only 11°C (52°F), reaching a maximum of 20°C (69°F). Precipitation is also lower in February, totaling 47 mm (1.9 in) over just 6 days, and humidity rises slightly to 74%. For more detailed insights on February weather, you can check out Sitges weather in February.

September weather is generally warmer and more humid than March, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (86°F) and an average of 22°C (72°F). In contrast, March has a cooler climate, with temperatures starting at 3°C (38°F) and peaking at 20°C (69°F), averaging just 12°C (54°F). Additionally, September experiences significantly more precipitation, with 98 mm (3.8 in) over 13 days, compared to March's 50 mm (2.0 in) over only 6 days. Despite the difference in rainfall, both months show relatively high humidity levels, with September at 68% and March slightly higher at 71%. For more details on March weather, check Sitges weather in March.

September and April offer distinctly different weather experiences. In September, temperatures are typically warmer, with averages around 22°C (72°F) and highs reaching up to 30°C (86°F), while April sees cooler averages at 14°C (57°F) and maximums of only 22°C (72°F). Additionally, September tends to be wetter, with an average precipitation of 98 mm (3.8 in) over 13 days, compared to April's 69 mm (2.7 in) across 9 days. Humidity levels remain relatively similar in both months, hovering around 68% in September and 69% in April. For more detailed information, check out Sitges weather in April.

September and May showcase distinct weather patterns, each with its own unique charm. In September, temperatures range from a minimum of 14°C (57°F) to a warm average of 22°C (72°F), peaking at a maximum of 30°C (86°F). The month experiences more rainfall, with 98 mm (3.8 in) over approximately 13 days, contributing to a higher humidity level of 68%. In contrast, May presents milder conditions, with temperatures starting at a minimum of 8°C (46°F) and averaging 18°C (64°F), while reaching a maximum of 27°C (81°F). This month is much drier, featuring only 39 mm (1.5 in) of precipitation over about 7 days, and slightly lower humidity at 66%. For a closer look at what to expect, check out Sitges weather in May.

Both September and June offer mild temperatures, with each month featuring a minimum of 14°C (57°F) and an average temperature of around 22°C (72°F). However, September tends to reach slightly higher maximum temperatures, averaging 30°C (86°F) compared to June’s 31°C (87°F). One notable difference is in precipitation; September experiences significantly higher rainfall, with 98 mm (3.8 in) over 13 days, whereas June sees just 32 mm (1.3 in) over 5 days. Additionally, the humidity is slightly higher in September at 68%, compared to June’s 65%. For more insights on June's weather, you can check out Sitges weather in June.

In comparing the weather between September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), while July offers warmer conditions with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (90°F). Additionally, September sees more precipitation, with 98 mm (3.8 in) spread over 13 days, compared to July's 30 mm (1.2 in) over just 6 days. Humidity levels are also somewhat higher in September at 68%, compared to July's 64%. For more detailed information, you can check Sitges weather in July.

In comparison to August, September experiences slightly cooler temperatures, with a minimum of 14°C (57°F) and an average of 22°C (72°F), while August boasts a warmer minimum of 17°C (62°F) and an average of 25°C (77°F). Additionally, September has a higher maximum temperature of 30°C (86°F) compared to August's peak of 33°C (92°F). However, September is also marked by increased precipitation, with 98 mm (3.8 in) over 13 days, while August sees only 44 mm (1.7 in) across 8 days. Humidity levels remain relatively similar, with September at 68% and August at 64%. For a detailed look at the weather conditions during August, check out Sitges weather in August.

September tends to be warmer than October, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), and an average of 22°C (72°F). In contrast, October sees cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 26°C (79°F), averaging 18°C (65°F). While both months experience significant precipitation, October has slightly higher rainfall at 109 mm (4.3 in) over 10 days compared to September's 98 mm (3.8 in) over 13 days. Additionally, October's humidity is higher, averaging 77% compared to September's 68%. For more specific details about weather conditions in October, you can check Sitges weather in October.

In September, the weather is generally warmer, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (86°F) and an average of 22°C (72°F). The month experiences 98 mm (3.8 in) of precipitation over 13 days, creating a relatively humid atmosphere with 68% humidity. In contrast, November brings cooler temperatures, with a minimum of 5°C (41°F) and an average of 13°C (57°F), peaking at 23°C (73°F). This month sees lower precipitation at 72 mm (2.8 in) over 9 days, but the humidity is slightly higher at 79%. For more detailed information, check out Sitges weather in November.

In September, the weather typically boasts warmer temperatures, with an average of 22°C (72°F) and highs reaching up to 30°C (86°F), making it a comfortable time to enjoy outdoor activities. However, this month also experiences substantial rainfall, with about 98 mm (3.8 in) spread over 13 days, coupled with a humidity level of 68%. In contrast, December presents a much cooler climate, with average temperatures dropping to 11°C (52°F) and maximums of only 19°C (67°F). Precipitation is significantly less, with only 28 mm (1.1 in) over just 3 days, and humidity rising slightly to 79%. For more details on December's weather, you can check Sitges weather in December.

Compare Sitges's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sitges

As summer transitions into fall, September in Sitges offers a delightful blend of warmth and refreshing breezes. With maximum temperatures reaching around 30°C (86°F) during the day, visitors can still enjoy sun-soaked afternoons, while the cooler nights dip to a comfortable 14°C (57°F). Unlike the scorching peak of summer, September sees increased precipitation, averaging 98 mm over 13 days, adding a lush vibrancy to the landscape. The 68% humidity keeps the air pleasantly fresh, making it an ideal month for exploring the town’s rich culture and stunning surroundings. For a deeper understanding of the climate variations throughout the year, check out Sitges Climate.