Last updated: February 26, 2025
In Marseille during September, the weather offers a delightful mix of warmth and clarity. With maximum temperatures reaching up to 28°C (83°F) and a comfortable average of 21°C (70°F), it's an ideal time for outdoor activities. Evenings cool down to a pleasant minimum of 11°C (53°F), inviting a cozy atmosphere. While the city experiences 39 mm (1.5 in) of rainfall over about 5 days, humidity levels hover around 71%, adding a subtle freshness to the warm air. Overall, September in Marseille is a vibrant blend of sun and mild breezes, perfect for exploring this stunning Mediterranean locale.
In Marseille during September, the weather begins to gracefully transition from the summer heat, bringing minimum temperatures around 11°C (53°F) and climbing to an inviting average of 21°C (70°F). This month showcases a delightful high of 28°C (83°F), providing ample opportunity for outdoor adventures and relaxation by the Mediterranean coast. As the summer's intensity wanes, September offers a charming blend of warmth and comfort, making it a perfect time to explore the city's vibrant culture and stunning landscapes. This trend of gradually decreasing temperatures from the peak summer months signifies the onset of autumn, inviting locals and visitors alike to enjoy the last rays of summer sun.
In September, Marseille experiences a moderate shift in precipitation, receiving 39 mm (1.5 in) of rain over 5 days. This marks a slight increase from the drier months of July and August, which saw only 9 mm and 16 mm, respectively. As summer transitions into autumn, the city’s precipitation levels begin to rise, setting the stage for a wetter October ahead, typically averaging 88 mm (3.5 in). Observing the trend, September's rainfall acts as a gentle precursor to the more significant downpours that characterize the later months, reflecting the region’s gradual shift from the arid heat of summer to the refreshing rains of fall.
In September, Marseille experiences an average humidity of 71%, which marks a slight increase after the drier months of July and August at 69% and 66%, respectively. As the summer heat begins to wane, this return to higher humidity levels hints at the transition into autumn. Comparing September's humidity to the preceding months, it remains relatively stable, following a downward trend from the deep summer months. However, it falls noticeably below the autumn peak expected in October, which sees a significant rise to 78%. This pattern highlights Marseille's shift from the dryness of summer toward the more humid conditions typical of later months, creating a refreshing yet comfortable atmosphere as the season changes.
As September arrives in Marseille 13, the UV Index decreases from the peak summer values, settling at a moderate 7. This marks a transition from the intense levels experienced during the summer months, where a relentless UV Index of 9-10 necessitated caution with just 15 minutes of exposure to avoid sunburn. In September, with a burn time extending to 25 minutes, sun protection remains important as the sun's rays are still impactful, categorized as high. This trend underscores the gradual shift towards the cooler months, while still reminding sun-seekers to stay mindful of UV exposure. For more detailed insights on the UV Index throughout the year, check Marseille 13 UV Index.
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As summer gently transitions into autumn, September in Marseille wraps visitors in a warm embrace of 345 hours of sunshine, creating a delightful backdrop for exploration and leisure. This month, while it sees a decrease from the sun-drenched peak of July's 436 hours, it still boasts ample daylight that outshines many others in the year, including the chillier months ahead like October, with its 310 hours. The trend hints at a lingering warmth, as the sun continues to grace the city, inviting both locals and tourists to savor the vibrant streets, picturesque coastlines, and the lingering scent of summer. This golden month perfectly highlights the Mediterranean charm, offering just enough sunshine to make every outing feel like a bright celebration.
September in Marseille offers a delightful transition from the sweltering summer months, with a 52% chance of sunny weather. While this marks a slight dip from August's 73% likelihood, it reflects a broader trend of increasing sun exposure from the cooler early months, which range only between 45% and 65%. As we move through the year, it's evident that summer is the sunniest season, peaking in July, while September still holds its ground as a favorable time for outdoor activities. The weather remains pleasant, making it an inviting month for visitors who appreciate the gentler warmth of the Mediterranean autumn.
As summer transitions into autumn, September in Marseille showcases a shift in daylight duration, offering about 12 hours of sunlight. This marks a gentle decline from the vibrant 13 hours experienced in August, hinting at the inevitable arrival of shorter days as the season changes. The trend throughout the year reveals a gradual increase in daylight from January's 9 hours to a peak in June with 15 hours, before steadily tapering off in the subsequent months. September stands at a pivotal point, where the evenings start to draw in, yet it still retains the warmth of summer's lingering light, embodying the beauty of transition in this picturesque French locale.
As September rolls into Marseille, the average wind speed settles at 4.3 m/s (10 mph), echoing the gentle breezes of the preceding summer months. This subtle decline from the more vigorous winds of early months like January (6.4 m/s) and February (5.6 m/s) signals the transition into autumn. Overall, the trend showcases a gradual decreasing pattern from the earlier part of the year, peaking in January before the soothing, softer winds become the signature of Marseille's early fall. Despite this slight dip, the winds remain a pleasant companion for leisurely strolls along the coast, making September an ideal time to embrace both the warmth of the lingering sun and the refreshing breezes that characterize this vibrant southern city.
The weather in Marseille 13 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 13 and find detailed weather information for every month.
September weather is generally warmer than January, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 28°C (83°F), averaging around 21°C (70°F). In contrast, January experiences much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 16°C (62°F), averaging only 9°C (48°F). While September sees about 39 mm (1.5 in) of precipitation over 5 days, January typically receives more rain, totaling 55 mm (2.2 in) over 7 days. Additionally, January tends to be more humid, with levels reaching 80% compared to September’s 71%. For more details, visit Marseille 13 weather in January.
September typically boasts warmer temperatures, with averages around 21°C (70°F) and daily highs reaching 28°C (83°F). It also experiences relatively low precipitation, averaging 39 mm (1.5 in) over about 5 days. In contrast, February's weather is notably cooler, with average temperatures at 10°C (50°F) and maximums of 18°C (65°F). This month sees a slightly higher precipitation rate of 40 mm (1.6 in) spread over 7 days, along with increased humidity at 73%. For more details, visit Marseille 13 weather in February.
When comparing the weather in September and March, significant differences emerge in temperature and precipitation. September boasts milder weather, with average temperatures ranging from a minimum of 11°C (53°F) to a maximum of 28°C (83°F), while March experiences cooler conditions, with temperatures peaking at 20°C (68°F) and dropping to a minimum of just 1°C (34°F). Interestingly, both months have similar humidity levels at 71%, although March sees slightly more rainfall, with an average of 49 mm (1.9 in) over six days compared to September's 39 mm (1.5 in) over five days. For more details on March weather specifics, check this link: Marseille 13 weather in March.
In September, the weather tends to be warmer, with average temperatures ranging from a minimum of 11°C (53°F) to a maximum of 28°C (83°F), and an overall average of 21°C (70°F). The month experiences relatively light precipitation of 39 mm (1.5 in) spread over approximately 5 days, with a humidity level of 71%. In contrast, April is cooler, featuring temperatures from a minimum of 4°C (39°F) up to a maximum of 21°C (70°F), with an average of 14°C (57°F). April also sees higher rainfall, totaling 70 mm (2.7 in) over about 8 days, with humidity slightly higher at 75%. For more specific weather details, you can refer to the following link: Marseille 13 weather in April.
In comparing the weather of September and May, September tends to be warmer with average temperatures reaching 21°C (70°F), while May sees a cooler average of 17°C (63°F). September also enjoys higher maximum temperatures, peaking at 28°C (83°F), compared to May's 27°C (82°F). However, May experiences more rainfall, with an average of 63 mm (2.5 in) over 8 days, whereas September has only 39 mm (1.5 in) over 5 days. Humidity levels are similar, with September at 71% and May slightly higher at 74%. For more details on May weather in Marseille, you can visit Marseille 13 weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, hovering around 21°C (70°F). However, September experiences slightly cooler minimum temperatures at 11°C (53°F), while June starts warmer with a minimum of 14°C (57°F). The maximum temperatures in June can reach as high as 31°C (88°F), in contrast to September's peak of 28°C (83°F). Additionally, June tends to be drier with only 24 mm (0.9 in) of precipitation over 4 days, compared to September's 39 mm (1.5 in) over 5 days. Humidity levels remain consistent, with September at 71% and June at 72%. For more detailed insights, you can refer to Marseille 13 weather in June.
In comparison to July, September offers a more moderate weather experience. While July features higher minimum and average temperatures, with lows around 17°C (62°F) and averaging 24°C (75°F), September sees cooler minimums at 11°C (53°F) and an average of 21°C (70°F). The maximum temperatures in September are slightly lower as well, peaking at 28°C (83°F) compared to July's 30°C (86°F). Additionally, September experiences more precipitation, with 39 mm (1.5 in) over 5 days, whereas July has only 9 mm (0.4 in) over just 1 day, resulting in slightly higher humidity; 71% in September versus 69% in July. For more details on July weather, you can check Marseille 13 weather in July.
Comparing the weather between August and September reveals some notable differences. August tends to be warmer, with average temperatures reaching 24°C (76°F), peaking at 32°C (90°F), compared to September's milder average of 21°C (70°F) and maximum of 28°C (83°F). Additionally, August experiences significantly less rainfall, with only 16 mm (0.6 in) over just one day, while September sees a higher total precipitation of 39 mm (1.5 in) spread over five days. Humidity levels are slightly higher in September at 71%, compared to August's 66%. This shift marks a transition from the hot, dry summer days of August to the cooler, more variable weather of September. For more details about August weather, you can check Marseille 13 weather in August.
September typically enjoys warmer temperatures, with an average of 21°C (70°F) and maximum highs reaching 28°C (83°F). In contrast, October sees a noticeable drop in temperatures, averaging 17°C (63°F) and peaking at 25°C (77°F). While September experiences relatively mild precipitation at 39 mm over about 5 days, October brings increased rainfall, totaling 88 mm and occurring over 7 days. Additionally, humidity rises slightly from 71% in September to 78% in October, contributing to a cooler, more overcast atmosphere. For more details on the October weather trends, you can visit Marseille 13 weather in October.
In September, the weather typically features milder temperatures, with averages around 21°C (70°F) and a maximum of 28°C (83°F), while November cools down considerably, presenting an average temperature of just 13°C (56°F) and a high of 19°C (67°F). Additionally, September enjoys less precipitation, only 39 mm (1.5 in) over 5 days, compared to November's significantly wetter conditions with 127 mm (5.0 in) spread over 12 days. Humidity also rises in November, reaching 82%, compared to September's 71%, adding to the chilly feel of the late autumn month. For a more detailed look at the conditions, check out Marseille 13 weather in November.
September weather typically presents a pleasant transition from summer with temperatures ranging from a minimum of 11°C to a maximum of 28°C (53°F to 83°F) and an average of 21°C (70°F). With a moderate humidity of 71% and 39 mm (1.5 in) of precipitation over about 5 days, it tends to be a drier month. In contrast, December ushers in cooler conditions, with temperatures dropping to a minimum of 2°C and peaking at 18°C (36°F to 64°F), averaging just 10°C (50°F). December experiences more precipitation, totaling 76 mm (3.0 in) across 9 days, coupled with a slightly higher humidity of 79%. For more information about December weather in Marseille, check out Marseille 13 weather in December.
As September unfolds in Marseille, the weather showcases a delightful transition from the warmth of summer to the more temperate conditions of autumn. With average temperatures floating around a comfortable 21°C (70°F), it offers a refreshing respite compared to the sweltering heat of July and August. Although the month sees some rain with about 39 mm of precipitation over five days, it’s still ideal for outdoor activities, especially as humidity levels hover at 71%. This blend of warm days and cooler nights, alongside the occasional sprinkle, makes September a picturesque time to explore Marseille. For a deeper understanding of how the weather transforms throughout the year, visit Marseille 13 Climate.