September Weather in Marseille 11, France

Last updated: February 26, 2025

In Marseille, the weather in September is characterized by a delightful blend of warm temperatures and refreshing evenings. The maximum temperature can reach a pleasant 28°C (83°F), while the average temperature hovers around a comfortable 21°C (70°F), making it an ideal time for outdoor activities. Nighttime brings cooler air, with lows dipping to 11°C (53°F). Rainfall is relatively low, with only 39 mm (1.5 in) recorded over approximately 5 days, allowing for ample sunshine and clear skies. The humidity level rests at a moderate 71%, contributing to the region's mild and enjoyable climate. September in Marseille offers the perfect backdrop for exploring this vibrant coastal city.

September Temperature in Marseille 11

As September unfolds in Marseille, the city experiences a delightful transition from the summer heat to milder autumn days. Morning temperatures start at a comfortable 11°C (53°F), rising to an inviting 21°C (70°F) by midday, with peaks reaching a pleasant 28°C (83°F). This month marks a significant drop in maximum temperatures compared to August, indicating a gradual cooling trend while still offering ample sunshine and warmth. With September's average hovering around 21°C, it provides the perfect backdrop for leisurely strolls along the coast, outdoor cafes, and exploring the vibrant local culture, all underscoring why this early autumn month is cherished by locals and visitors alike. The clear, blue skies make it an ideal time to enjoy the city's charm before the cooler temperatures of October set in.

September Weather in Marseille 11: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Marseille 11, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec485053566370757570635550
Data source: Temperature data for Marseille 11 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 Marseille 11

September in Marseille 11 marks a transitional phase, as summer gradually yields to the damp embrace of autumn. With 39 mm (1.5 in) of precipitation over 5 days, it's a relatively mild month compared to the heavier rains that follow in October and November. This month sees a slight increase in rainfall from the arid heights of summer, where July barely reached 9 mm (0.4 in) and August offered just 16 mm (0.6 in). As the days become shorter and cooler, the sporadic showers of September serve as a gentle reminder of the wet and wild weather that lies ahead, setting the stage for the significant rainfall that characterizes the upcoming fall months.

September Precipitation Trends in Marseille 11

The chart displays monthly precipitation patterns in Marseille 11, 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.
JanFebMarAprMayJunJulAugSepOctNovDec554049706324917398812776
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Marseille 11

In September, the humidity in Marseille remains relatively comfortable at 71%, marking a slight uptick from the drier summer months of July and August, which saw levels drop to 69% and 66%, respectively. This modest increase signals the transition toward the wetter autumn season, characterized by the rising humidity levels as the year progresses. From the highs of winter at 80% in January to the cooler 78% in October, the trend showcases Marseille's typical seasonal fluctuations. As the city shifts away from the heat of summer, September offers a balance of warmth and humidity, setting the stage for the lush, refreshing air of fall.

September Average Humidity in Marseille 11

This chart illustrates the average monthly humidity levels in Marseille 11, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%75%74%72%69%66%71%78%82%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Marseille 11

As September unfolds in Marseille 11, France, the UV index settles at a moderate level of 7, indicating a high exposure category. This trend marks a shift from the peak of summer, where the UV index reached a scorching 10 in June. As autumn approaches, sun-seekers will find the burn time increases to 25 minutes, allowing for a more comfortable outdoor experience while still necessitating protection from harmful rays. With the UV index gradually decreasing from its summer highs, September proves to be a great time to enjoy sunny days responsibly. For more information on UV trends throughout the year, visit Marseille 11 UV Index.

Maximum UV Index Levels in Marseille 11 for September

The chart shows the monthly maximum UV Index (UVI) for Marseille 11 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Marseille 11 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 Marseille 11

As summer gracefully transitions to autumn, September in Marseille 11 offers a delightful balance of warmth and sunshine, boasting 345 hours of sunlight. This month marks a slight decline from the sun-drenched peak of July, which enjoyed 436 hours, yet it's still a vibrant time to explore the city. The sunshine gradually wanes as October approaches, offering 310 hours, but September’s moderate climate creates a perfect backdrop for outdoor activities and leisurely strolls through the historic streets. With a consistent upward trend in sunshine from January to July and a gentle tapering towards the year’s end, September stands out as a splendid time for both locals and tourists to soak in the radiant charm of Marseille before the cooler months descend.

Monthly Sunshine Duration in Marseille 11: September Highlighted

The September sunshine duration represents the total number of hours Marseille 11 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h257h330h352h406h423h436h404h345h310h252h244h
Data source: Marseille 11 September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Marseille 11 During September

In September, the likelihood of sunny weather in Marseille 11, France, stands at 52%. This marks a slight decline from the peak of 73% experienced in August, but still offers a favorable chance for sun-soaked days as summer transitions to autumn. Looking at the trends throughout the year, it's evident that Marseille enjoys its highest sunshine probabilities during the summer months, especially in July and August. However, September maintains a respectable position compared to earlier months, surpassing the sunny chances of May and April. This transitional month promises a delightful blend of warmth and sun before the cooler weather sets in.

Percentage of Sunny Days in September in Marseille 11

The chart illustrates the percentage of sunny days in Marseille 11 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 Marseille 11 experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%45%65%55%48%61%67%73%52%57%50%55%
Data source: Marseille 11 September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Marseille 11 in September

As September rolls in, Marseille experiences a delightful transition in daylight duration, with an average of 12 hours that gracefully bridges the long summer days and the upcoming fall. This month marks a gentle decline from the 15 hours seen in June and 14 hours in July, evoking a sense of cozy change as evenings become shorter. With sunlight gradually waning, September serves as a beautiful reminder of the shifting seasons, allowing residents and visitors alike to enjoy the warm, lingering days while preparing for the cooler months ahead. As days become a touch shorter, the vibrant sun sets the stage for an alluring Mediterranean ambiance, perfect for outdoor pursuits or leisurely strolls through the city's charming streets.

Average Daylight Hours in Marseille 11 for September

The chart illustrates the variation in daylight duration in Marseille 11 throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 30m11h 57m13h 26m14h 41m15h 19m14h 59m13h 52m12h 27m10h 58m9h 40m9h
Data source: Marseille 11 daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Marseille 11

As summer draws to a close, September in Marseille brings a gentle shift in the winds, with average speeds settling at 4.3 m/s (10 mph). This slight dip follows the summer months, where winds hovered around 4.5 m/s, indicating a transition to the cooler autumn breezes. Interestingly, the wind speeds show a predictable ebb and flow throughout the year; January tends to be the most blustery with winds at 6.4 m/s (14 mph), while June experiences its calmest weeks at just 4.1 m/s. As September unfolds, the fresh air hints at the approach of invigorating fall, keeping the Mediterranean's allure alive while hinting at the dynamic seasonal changes that characterize this vibrant region of France.

Average September Wind Speed in Marseille 11

The chart displays monthly wind speed patterns in Marseille 11, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.45.64.54.35.44.14.54.64.3 m/s4.65.45.2
Data source: Marseille 11 September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Marseille 11 Compares to Other Months

The weather in Marseille 11 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 Marseille 11 and find detailed weather information for every month.

When comparing the weather in September and January, there is a noticeable contrast in temperatures and overall conditions. September typically experiences milder temperatures, with averages around 21°C (70°F) and maximums reaching up to 28°C (83°F), making it a pleasant time of year. In contrast, January sees significantly cooler temperatures, with an average of just 9°C (48°F) and maximums around 16°C (62°F), creating a much chillier atmosphere.

Precipitation is slightly higher in January, totaling 55 mm (2.2 in) over about 7 days, compared to September's 39 mm (1.5 in) over 5 days. Additionally, humidity levels are higher in January at 80%, compared to 71% in September, contributing to a damp and cooler feeling during the winter months. For more details on January weather, check out Marseille 11 weather in January.

September and February present contrasting weather patterns. In September, temperatures are much warmer, ranging from a minimum of 11°C (53°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F). The month experiences relatively low precipitation, averaging 39 mm (1.5 in) over about 5 days, and a humidity level of 71%. In stark contrast, February sees cooler temperatures with a minimum of -1°C (31°F) and a maximum of 18°C (65°F), averaging just 10°C (50°F). This month has slightly higher precipitation at 40 mm (1.6 in) over 7 days and a humidity rate of 73%. For more details on February weather, you can visit Marseille 11 weather in February.

September and March showcase contrasting weather patterns. In September, temperatures are mild to warm, ranging from a minimum of 11°C (53°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F). The month experiences relatively low precipitation, totaling 39 mm (1.5 in) over about 5 days, while maintaining a consistent humidity level of 71%.

In comparison, March is cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 20°C (68°F) and an average temperature of 11°C (53°F). This month sees a slightly higher precipitation of 49 mm (1.9 in) over 6 days, yet the humidity remains constant at 71%.

For a detailed overview of March weather, you can check out Marseille 11 weather in March.

In comparing the weather of September and April, September generally enjoys milder and warmer conditions with average temperatures ranging from 11°C (53°F) to a maximum of 28°C (83°F). This month typically sees less precipitation, with an average of 39 mm (1.5 in) falling over about 5 days, and humidity levels around 71%. In contrast, April tends to be cooler, featuring average temperatures from a minimum of 4°C (39°F) to a maximum of 21°C (70°F). It experiences more precipitation, totaling 70 mm (2.7 in) spread across approximately 8 days, with slightly higher humidity at 75%. For more detailed insights about April weather, check out this link: Marseille 11 weather in April.

September and May present distinctly different weather patterns. September typically enjoys warmer temperatures, with average highs around 21°C (70°F) and maximums reaching 28°C (83°F), while May's average peaks at 17°C (63°F) with a maximum of 27°C (82°F). However, May experiences slightly lower minimum temperatures, averaging 8°C (46°F) compared to September's 11°C (53°F). Precipitation is also more prevalent in May, totaling 63 mm (2.5 in) over 8 days, versus September's 39 mm (1.5 in) in 5 days. Humidity levels remain relatively similar, with May at 74% and September at 71%. For a more detailed look at the weather in May, check Marseille 11 weather in May.

In September, the weather tends to be slightly cooler compared to June, with minimum temperatures around 11°C (53°F) and maximums reaching 28°C (83°F), while June experiences a minimum of 14°C (57°F) and can peak at 31°C (88°F). Both months maintain an average temperature of 21°C (70°F in September and 71°F in June), but June is generally sunnier, receiving less rainfall (24 mm or 0.9 in over 4 days) compared to September's 39 mm (1.5 in over 5 days). Humidity levels are fairly similar in both months, with September at 71% and June at 72%, resulting in a pleasantly warm atmosphere as summer transitions into autumn. For more detailed information on June weather, you can visit Marseille 11 weather in June.

When comparing the weather in September and July, September presents a cooler climate with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 28°C (83°F) and an average of 21°C (70°F). In contrast, July is warmer, featuring temperatures that vary from a minimum of 17°C (62°F) to a maximum of 30°C (86°F), with an average of 24°C (75°F). Additionally, September experiences more precipitation, totaling 39 mm (1.5 in) over 5 days, while July is relatively dry with only 9 mm (0.4 in) of rain over just a single day. Humidity levels are slightly higher in September at 71%, compared to 69% in July. For more detailed weather information, visit Marseille 11 weather in July.

September weather in Marseille is characterized by cooler temperatures and increased humidity compared to August. The minimum temperature in September dips to 11°C (53°F), with an average of 21°C (70°F) and a maximum of 28°C (83°F), whereas August sees warmer conditions with a minimum of 17°C (63°F), an average of 24°C (76°F), and a peak of 32°C (90°F). Precipitation is more frequent in September, with 39 mm (1.5 in) of rain over 5 days, compared to just 16 mm (0.6 in) in August over only 1 day. The humidity also rises slightly in September to 71%, compared to 66% in August. For more detailed August weather statistics, you can check Marseille 11 weather in August.

When comparing the weather in September and October, we see a noticeable shift in both temperature and precipitation. In September, temperatures range from a minimum of 11°C (53°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F). The month experiences relatively mild rainfall, totaling 39 mm (1.5 in) over about 5 days, accompanied by a humidity level of 71%.

In contrast, October brings cooler temperatures, with a minimum of 9°C (48°F), an average of 17°C (63°F), and a maximum of 25°C (77°F). Precipitation increases significantly to 88 mm (3.5 in) over 7 days, and humidity rises to 78%. This transition marks a shift towards a wetter and chillier climate, reflecting the changing seasons. For more details on October weather, you can visit Marseille 11 weather in October.

September typically offers milder weather, with average temperatures reaching up to 21°C (70°F) and maximums peaking at 28°C (83°F), making it a pleasant month for outdoor activities. In contrast, November brings cooler temperatures—averaging only 13°C (56°F) during the day, with highs of 19°C (67°F) and lows dipping to 5°C (42°F). Additionally, November sees significantly higher precipitation, totaling 127 mm (5.0 in) over 12 days compared to September's 39 mm (1.5 in) across just 5 days. The humidity also rises in November to 82%, creating a distinctly different feel compared to the softer September weather. For more insights into November weather specifics, check out Marseille 11 weather in November.

In September, temperatures in Marseille are relatively mild, with a minimum of 11°C (53°F) and an average high of 28°C (83°F), providing a pleasant climate for outdoor activities. The month sees about 39 mm (1.5 in) of precipitation over roughly 5 days, coupled with a humidity level of 71%. In contrast, December brings much cooler weather, with temperatures dropping to a minimum of 2°C (36°F) and an average high of just 18°C (64°F). Rainfall increases to 76 mm (3.0 in) across about 9 days, and humidity rises slightly to 79%. For more details on December weather, visit Marseille 11 weather in December.

Compare Marseille 11's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Marseille 11

September in Marseille marks a delightful transition from the warmth of summer to the cooler embrace of autumn. Unlike the sizzling peak summer months, the city experiences a more moderate climate, with pleasant temperatures that invite both locals and visitors to explore its vibrant streets. Although rainfall becomes slightly more frequent, with a handful of drizzly days, the overall humidity remains comfortable. This month is perfect for enjoying the last rays of sunshine while indulging in outdoor activities and soaking up the local culture. For a deeper understanding of this month's unique weather patterns, check out Marseille 11 Climate.