Last updated: February 26, 2025
Experience the vibrant September weather of Marseille, France, where the days are pleasantly warm with a maximum temperature reaching 29°C (84°F) and an average of 21°C (71°F). As you stroll through this stunning coastal city, you'll feel the gentle warmth contrasted by cooler evenings, dipping to a minimum of 12°C (54°F). With humidity levels around 71%, the air carries a refreshing Mediterranean breeze. However, be prepared for occasional showers, as 5 days of rain bring a total precipitation of 38 mm (1.5 in) this month, adding to the charm of Marseille's picturesque landscapes and inviting atmosphere.
In September, Marseille 15 invites a delightful transition from summer's heat to autumn's embrace. With temperatures averaging 21°C (71°F), the city enjoys pleasant days, where maximums reach up to 29°C (84°F), making lingering outdoor activities irresistible. The nights cool down to a comfortable 12°C (54°F), providing a refreshing end to the warm days. This month stands out as a sweet spot, striking a balance between the summer highs and the cooler nights that follow, making it an ideal time for both locals and visitors to explore the vibrant streets and coastal vistas of Marseille.
In September, Marseille experiences an average precipitation of 38 mm (1.5 in) over approximately 5 days, marking a slight uptick compared to the drier summer months of July and August, which saw minimal rainfall. This shift signals the onset of the wetter fall season, as precipitation levels begin to rise in anticipation of October's average of 86 mm (3.4 in). While September still boasts relatively mild weather, the increased rainfall hints at the transition to cooler days ahead, underscoring a pattern where summer's dry spell gives way to the more substantial downpours typical of autumn. As the month progresses, the balance between lingering warmth and the return of rain creates a dynamic atmosphere, perfect for enjoying the last vestiges of summer while preparing for the changing seasons.
As summer wanes, September in Marseille brings a slight uptick in humidity, settling at 71%. This marks a gentle resurgence compared to the drier months of July and August, which recorded 69% and 66% respectively. Interestingly, the relative humidity patterns reveal a consistent trend of higher moisture levels in the latter part of the year, peaking dramatically in the colder months of November and December at 82% and 79%. This transitional month serves as a reminder that while the warm weather begins to fade, a more humid atmosphere will soon envelop the city, setting the stage for the latter-half of the annual humidity cycle.
As September arrives in Marseille 15, France, the UV Index reflects a noticeable shift, settling at 7, which places it in the high exposure category. This represents a slight decrease from the peak summer months, yet caution is still warranted, with a burn time of approximately 25 minutes for unprotected skin. Over the course of the year, the UV Index trends indicate a rise from 2 in January, reaching a peak of 10 in June, before gently tapering down through summer to September's levels. This pattern highlights the intensifying sun as the year progresses, making early fall an ideal time for outdoor activities while remaining vigilant about sun protection. For more details about UV conditions, visit Marseille 15 UV Index.
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As summer softly transitions to autumn, September in Marseille radiates a delightful 345 hours of sunshine, marking a gentle decline from the peak of summer months. Following an impressive July and August, which enjoyed 436 and 403 hours of bright light respectively, September maintains a vibrant warmth, perfect for lingering outdoor activities. This month’s sun-filled days gracefully set the stage for the cooler October, which captures 310 hours of sunlight. The smooth ebb and flow of sunshine hours from May's 407 to November's 256 reveals a charming rhythm of seasonal change, inviting visitors to relish the last golden rays before the onset of winter.
As summer transitions into autumn, September in Marseille experiences a noticeable dip in sunshine, with a 51% chance of sunny weather. This marks a decline from the 73% chance observed in August, suggesting that while the sunny days are still present, they are not as abundant as the peak summer months. Interestingly, September's probability is higher than what is seen in January and February, yet it trails behind the brighter late spring and summer months. Overall, as the year progresses, it becomes evident that while the allure of the Mediterranean sun remains, the golden rays begin to wane in the face of the approaching fall.
As summer gives way to autumn in Marseille, September sees a gentle decline in daylight hours, with the sun gracing the city for approximately 12 hours each day. This marks a transition from the peak summer brightness of June, which boasts a full 15 hours of daylight, through the gradually shortening days of August. While the daylight diminishes, the warmth of the sun still lingers, allowing residents and visitors to enjoy the beautiful Mediterranean evenings. As the month progresses, daylight continues to taper off towards October's 10 hours, indicating the approach of winter, yet September remains a delightful time to bask in the lingering sun before the days become noticeably shorter.
As summer fades into autumn, the September winds in Marseille gently dial down to an average speed of 4.6 m/s (10 mph), marking a notable shift from the warmer months. This decrease from August’s 5.1 m/s reflects a broader trend of diminishing wind speeds as the year progresses, with September recording one of the lowest averages of the year. The winds, although softer, carry the crispness of the approaching fall, inviting the vibrant colors of the season. As the gentle breeze sweeps through the Mediterranean city, it signals the transition not just of the weather but also of the lively atmospheres, heralding a period of reflection and beauty in Marseille.
The weather in Marseille 15 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 15 and find detailed weather information for every month.
September weather is characterized by milder temperatures, with averages ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), making it a pleasant time for outdoor activities. In contrast, January experiences much cooler conditions, with an average temperature of 9°C (48°F), and daily highs only reaching up to 17°C (63°F). Additionally, while September sees about 38 mm of precipitation over five days, January has slightly more rainfall at 50 mm spread over seven days, indicating a wetter climate at the start of the year. The humidity is also higher in January at 80%, compared to September's 71%, contributing to the chillier feel of the winter month. For more details on January weather in Marseille, visit Marseille 15 weather in January.
September generally offers warmer temperatures compared to February, with averages around 21°C (71°F) and peaks reaching up to 29°C (84°F), while February's temperatures are much cooler, averaging 11°C (51°F) and only maxing out at 18°C (65°F). Despite September experiencing slightly higher precipitation levels at 38 mm (1.5 in) over 5 days, February is not far behind with 29 mm (1.2 in) also spread across 5 days. Humidity levels are fairly consistent between the two months, with September at 71% and February slightly higher at 73%. For more detailed weather insights, you can check Marseille 15 weather in February.
When comparing the weather in September and March, there are notable differences in temperature and overall feel. September boasts a warmer climate with average temperatures reaching 21°C (71°F) and maximums climbing to 29°C (84°F), creating a pleasant atmosphere for outdoor activities. In contrast, March is much cooler, featuring an average temperature of only 12°C (54°F) and highs of 19°C (67°F). Both months experience similar levels of precipitation—around 38 to 42 mm (1.5 to 1.6 in)—but March has chillier conditions, highlighted by its lower minimum temperature of 1°C (34°F). For more details on March weather, check out Marseille 15 weather in March.
September and April present contrasting weather patterns, with September generally enjoying warmer temperatures. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), averaging 21°C (71°F), while April sees cooler conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 22°C (72°F) and an average of 14°C (58°F). Precipitation is higher in April, totaling 68 mm (2.7 in) over 8 days, compared to September's 38 mm (1.5 in) over 5 days. Humidity levels are also slightly higher in April, at 75%, compared to 71% in September. For more detailed insights on April weather, you can check this link: Marseille 15 weather in April.
In comparing the weather of September and May, September typically presents warmer temperatures with a minimum of 12°C (54°F) and an average of 21°C (71°F), peaking at 29°C (84°F). This month sees less precipitation, averaging 38 mm (1.5 in) over about 5 days, accompanied by a humidity level of 71%. In contrast, May experiences cooler temperatures, starting at a minimum of 8°C (47°F) and averaging 17°C (64°F), with a maximum of 28°C (83°F). However, it encounters more rainfall, totaling 60 mm (2.4 in) across approximately 8 days, and slightly higher humidity at 74%. For more detailed insights about May weather, you can check Marseille 15 weather in May.
In comparing the weather of September and June, both months exhibit pleasant temperatures, but with some distinct differences. September records a minimum temperature of 12°C (54°F) and a maximum of 29°C (84°F), while June tends to be slightly warmer with a minimum of 14°C (58°F) and a maximum of 32°C (90°F). Precipitation is more frequent in September, accumulating to 38 mm (1.5 in) over 5 days, compared to June's lighter 22 mm (0.9 in) over just 4 days. Interestingly, humidity levels remain relatively stable, with September at 71% and June slightly higher at 72%. For more detailed weather information, you can check Marseille 15 weather in June.
In comparing the weather between September and July, September tends to be slightly cooler, with minimum temperatures around 12°C (54°F) and average highs reaching 29°C (84°F), while July features warmer conditions with a minimum of 17°C (63°F) and average highs of 30°C (87°F). September is also characterized by more frequent rainfall, totaling 38 mm (1.5 in) over approximately 5 days, compared to July's drier climate of just 11 mm (0.4 in) over 2 days. Additionally, while humidity levels are quite similar, September has a slightly higher average humidity of 71%, compared to July's 69%. For specific details on July weather, you can check out Marseille 15 weather in July.
In comparing the weather between August and September, it's clear that September offers a more temperate climate. August experiences higher temperatures, with minimums around 17°C (64°F), average highs of 24°C (76°F), and peaks reaching 33°C (92°F). In contrast, September cools down, with a minimum of 12°C (54°F) and an average of 21°C (71°F), while max temperatures reach 29°C (84°F). Additionally, August sees significantly less precipitation, totaling only 13 mm (0.5 in) over just one day, whereas September receives 38 mm (1.5 in) across five days, indicating a wetter month. Humidity levels also rise slightly in September to 71%, compared to August's 66%. For more details on August weather, visit Marseille 15 weather in August.
September generally experiences warmer temperatures, with daily averages around 21°C (71°F) and maximums peaking at 29°C (84°F). In contrast, October sees a notable drop, averaging 18°C (64°F) and maxing out at 25°C (77°F). While September boasts lower humidity levels at 71% and less precipitation (38 mm over 5 days), October brings increased moisture with 86 mm of rain spread over 6 days and a rise in humidity to 78%. For more detailed information about October weather in Marseille, check out Marseille 15 weather in October.
In September, the weather tends to be warmer, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), and an average of about 21°C (71°F). It experiences relatively light precipitation, with only 38 mm (1.5 in) over 5 days and humidity at 71%. In contrast, November brings cooler temperatures, where the minimum drops to 6°C (43°F) and the maximum reaches only 20°C (68°F), averaging around 13°C (56°F). The month is also significantly wetter, with 116 mm (4.5 in) of rain spread over 12 days, and humidity increases to 82%. For more detailed information, you can check Marseille 15 weather in November.
September weather is generally warmer, featuring temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), with an average of 21°C (71°F). The month experiences around 38 mm (1.5 in) of precipitation over 5 days, along with a humidity level of 71%. In contrast, December brings cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 18°C (65°F), averaging just 10°C (51°F). This month sees an increase in precipitation, totaling 61 mm (2.4 in) across 10 days, and a slight rise in humidity to 79%. For more detailed weather information for December, you can check Marseille 15 weather in December.
As September unfolds in Marseille, the weather transitions with a delightful blend of warmth and refreshing breezes, setting it apart from the scorching summer months. With an inviting average temperature of 21°C (71°F) and occasional rainfall, this month strikes a balance that encourages outdoor activities without the sweltering heat. The humidity level of 71% adds a touch of moisture to the air, making the mild evenings particularly pleasant. If you're planning a visit, September offers a charming prelude to autumn and a fantastic opportunity to explore the vibrant coastline. For a more detailed outlook, check out Marseille 15 Climate.