Last updated: February 26, 2025
Experience the enchanting September weather in Cannes, France, where the Mediterranean charm is accompanied by delightful temperatures. With a maximum of 29°C (84°F) and an average of 22°C (71°F), daytime strolls along the famous Croisette are pleasantly warm. As the nights cool down to a minimum of 14°C (57°F), the evenings create a perfect ambiance for outdoor dining. Although rainfall is moderate with 47 mm (1.9 in) over approximately 7 days, the overall humidity levels at 71% add a refreshing quality to the balmy air. Embrace the vibrant atmosphere of this iconic destination as summer transitions into a cozy fall.
In September, the charm of Cannes is complemented by pleasant temperatures, as the summer warmth gradually gives way to autumn's embrace. With minimums around 14°C (57°F) and maximums peaking at 29°C (84°F), the weather invites sun-seekers to enjoy the beaches before the chill sets in. The average temperature hovers around 22°C (71°F), making it an ideal month for leisurely strolls along the coastline or savoring outdoor dining. Compared to the height of summer, September offers a more comfortable climate, perfect for both relaxation and exploration without the hustle and bustle of peak tourist season. As the golden hues of fall start to appear, this month presents a delightful balance of warmth and serenity unique to the French Riviera.
In September, Cannes experiences a transition into autumn, marked by a notable increase in precipitation as the summer months recede. With an average rainfall of 47 mm (1.9 in) over approximately 7 days, September presents a wetness that is reminiscent of spring's arrival, contrasting sharply with the drier summer months of July and August, which see mere drizzles. This uptick in rainfall sets the stage for a dramatic leap in water accumulation come October, where totals soar to 127 mm (5.0 in). September’s precipitation serves as a gentle reminder of the changing seasons, as it paves the way for the lush, climate-friendly conditions typical of the Mediterranean.
As summer fades into autumn, September in Cannes, France features a comfortable humidity level of 71%, striking a balance between the drier months of July and August, which see averages of 69% and 66% respectively. This slight uptick hints at the transition to the wetter fall season, where humidity levels gradually rise, peaking again in the winter months, notably reaching 82% in November. The overall trend reveals a steady decline in humidity from the peak of 80% in January down to the summer lows, followed by a gradual resurgence. Thus, September offers a pleasant reprieve, making it an ideal time to enjoy the Mediterranean climate before the elements shift.
In September, Cannes, France experiences a UV Index of 7, placing it in the high exposure category with a burn time of 25 minutes. This indicates a slight decrease from the peak values observed during the summer months, where the UV Index hovered around 9 to 10 from May to August. As the sun begins to set lower in the sky, September still offers ample sunshine, reminding sun-seekers to remain vigilant and protected. With the transition into fall, visitors can enjoy outdoor activities while being mindful of their sun exposure. For more information on the UV Index throughout the year, check out Cannes UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Cannes continues to bask in an impressive amount of sunshine, boasting 344 hours of golden rays. Although this marks a decline from the sun-drenched days of July and August, with their peak hours of 438 and 407 respectively, September still enjoys significantly more sunlight than winter months like January and December, which struggle with 199 and 245 hours. This trend reveals a delightful lingering warmth in the air, making it an ideal time for visitors to soak up the last embers of summer while enjoying the stunning coastline and vibrant cultural scene. Thus, September shines as a sweet spot for sunshine lovers, bridging the gap between vibrant summer and the cooler fall months.
September in Cannes, France, boasts a 54% chance of sunny weather, making it a delightful time to visit the glamorous French Riviera. As summer draws to a close, the likelihood of sunshine dips slightly from the peak of 72% in August. This shift reflects a broader trend where the summer months consistently showcase high sun probabilities, with sunny days becoming less frequent as autumn approaches. Nevertheless, September still offers a pleasant balance, providing visitors with ample opportunities to bask in the Mediterranean sun before the cooler months set in. With its mild climate and beautiful scenery, Cannes in September remains an attractive destination for sun-seekers and leisure travelers alike.
As summer gradually fades in September, Cannes, France experiences a slight drop in daylight, with the sun gracing the sky for about 12 hours. This marks a gentle transition from the sun-drenched days of July and June, which enjoy a peak of 15 hours each, while still offering more light than the upcoming months. With the warmth of August's 13 hours lingering just behind, September invites a mellow glow that hints at the autumnal changes ahead. The days are shorter now compared to the vibrant spring months of April and May, which see a delightful increase in sunlight, illustrating how the progression of the year evokes distinct rhythms in daylight experiences.
As September sweeps in, Cannes experiences a gentle caress of soft winds, with an average speed of only 2.9 m/s (6 mph), marking a steady decline from the lively breezes of May and November, which brush the coastline at 4.3 m/s (10 mph). This shift in wind patterns hints at the onset of the autumn season, as the once spirited summer winds gradually subside. Interestingly, the warmth of summer seems to linger in September, creating a tranquil atmosphere that invites visitors to enjoy the stunning coastal views without the whip of stronger gusts. The month’s calmness complements the late-summer vibe of Cannes, making it an enchanting time to explore the city’s beauty while enjoying the soothing embrace of the September winds.
The weather in Cannes 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 Cannes and find detailed weather information for every month.
September and January present notably different weather patterns. In September, temperatures are mild to warm, with averages around 22°C (71°F) and a maximum reaching 29°C (84°F), accompanied by relatively low precipitation of 47 mm over about seven days. The humidity sits at a comfortable 71%, making it a pleasant time to enjoy outdoor activities. In contrast, January offers a much cooler climate, with average temperatures dropping to 10°C (50°F) and maximums capping at 17°C (63°F). Although precipitation remains similar at 48 mm, it occurs over fewer days (only five), and the humidity rises to 80%, creating a chillier atmosphere. For more details, see Cannes weather in January.
In comparing the weather of September and February, we see notable differences in temperature and overall climate conditions. September typically boasts milder weather with average temperatures around 22°C (71°F), peaking at a warm 29°C (84°F), while February experiences much cooler conditions, with averages sitting at just 11°C (51°F) and a maximum of 20°C (68°F). Precipitation levels are similar in both months, with September receiving 47 mm (1.9 in) over about 7 days, and February experiencing slightly less at 45 mm (1.8 in) over 6 days. Additionally, the humidity in February is slightly higher at 73%, compared to 71% in September, suggesting a somewhat damp chill during the winter month. For a deeper understanding of the February climate, you can visit Cannes weather in February.
When comparing the weather in September and March, there is a noticeable difference in temperatures and precipitation. September boasts milder conditions with minimums of 14°C (57°F) and maximums reaching up to 29°C (84°F), while March experiences cooler temperatures, with a minimum of just 2°C (36°F) and a maximum of 19°C (66°F). Despite March having a higher precipitation level of 66 mm (2.6 in) over 5 days compared to September's 47 mm (1.9 in) over 7 days, both months share similar humidity levels at 71%. For more detailed insights on March weather, you can check out Cannes weather in March.
September and April present contrasting weather patterns. September enjoys a warmer climate, with average temperatures around 22°C (71°F) and maximums reaching up to 29°C (84°F), while April experiences cooler conditions, averaging 14°C (57°F) and peaking at 22°C (72°F). In terms of precipitation, September has 47 mm (1.9 in) over 7 days, whereas April is wetter, with 77 mm (3.0 in) spanning 9 days. Additionally, humidity levels are slightly higher in April at 75% compared to September's 71%. For more detailed information, you can check Cannes weather in April.
In September, temperatures tend to be warmer, with a minimum of 14°C (57°F) and an average of 22°C (71°F), peaking at a maximum of 29°C (84°F). This month experiences about 47 mm (1.9 in) of precipitation over approximately 7 days, accompanied by a humidity level of 71%. In contrast, May features slightly cooler temperatures, beginning at a minimum of 10°C (50°F) and averaging 17°C (63°F), while the maximum also reaches up to 28°C (82°F). The precipitation in May is marginally higher at 53 mm (2.1 in) across 9 days, with a humidity level of 74%. For a detailed comparison of weather conditions, you can check Cannes weather in May.
When comparing the weather in September and June, both months feature similar average temperatures, hovering around 22°C (71°F). However, June tends to be slightly warmer at its peak, with maximum temperatures reaching up to 31°C (88°F), whereas September’s maximum is 29°C (84°F). In terms of precipitation, September experiences more rainfall, with 47 mm (1.9 inches) over 7 days compared to June's 31 mm (1.2 inches) over just 4 days. Humidity levels remain relatively close, with June at 72% and September at 71%. For more detailed insights on June weather, you can refer to Cannes weather in June.
When comparing the weather in September and July, September generally brings cooler temperatures, with a minimum of 14°C (57°F) and an average of 22°C (71°F), whereas July tends to be warmer, with temperatures ranging from a minimum of 18°C (64°F) to an average of 24°C (76°F). July also sees higher maximum temperatures, reaching up to 32°C (90°F), compared to September's maximum of 29°C (84°F). In terms of precipitation, September experiences more rain, totaling 47 mm (1.9 in) over 7 days, while July is relatively dry with only 15 mm (0.6 in) of precipitation over 3 days. The humidity levels are similar in both months, with September at 71% and July at 69%. For a detailed look at July weather, you can check this link: Cannes weather in July.
In comparing the weather between September and August, September tends to be cooler, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (84°F), while August enjoys warmer conditions, featuring a minimum of 19°C (67°F) and a maximum of 32°C (90°F). Additionally, September experiences more precipitation, with 47 mm (1.9 in) over 7 days, compared to the lighter rainfall of 14 mm (0.5 in) spread over just 3 days in August. The humidity in September is slightly higher at 71%, compared to 66% in August. For more detailed information about the weather in August, you can visit Cannes weather in August.
As summer transitions into autumn, September showcases a warmer climate with average temperatures reaching 22°C (71°F) and highs of 29°C (84°F). Precipitation is modest at 47 mm (1.9 in) over seven days, creating a relatively dry atmosphere with a humidity level of 71%. In contrast, October brings a noticeable drop in temperatures, with averages dipping to 18°C (65°F) and maximums of 26°C (79°F). Rainfall significantly increases to 127 mm (5.0 in) over the same number of rainy days, contributing to a more humid environment at 78%. For more detailed insights on the weather patterns during this time, check out Cannes weather in October.
September experiences warmer temperatures, with averages around 22°C (71°F) and maximums reaching up to 29°C (84°F), while November sees a drop in average temperatures to 14°C (57°F) and a maximum of 20°C (68°F). Precipitation levels also differ significantly; September has a total of 47 mm (1.9 in) over about 7 days, whereas November sees a substantial increase to 151 mm (5.9 in) across approximately 12 days. Additionally, humidity levels rise in November to 82%, compared to 71% in September, creating a markedly different climate. For more details on rainfall and temperatures, you can check out Cannes weather in November.
In September, temperatures are pleasantly warm, averaging around 22°C (71°F), with highs reaching 29°C (84°F), making it ideal for outdoor activities. The month experiences an average of 47 mm (1.9 in) of rainfall over about 7 days, accompanied by a humidity level of 71%. In contrast, December brings cooler conditions, with average temperatures dropping to 11°C (52°F) and a maximum of only 18°C (64°F). Precipitation increases significantly to 100 mm (3.9 in) spread over 8 days, alongside a higher humidity of 79%. For a closer look at what to expect, check out Cannes weather in December.
As September unfolds in Cannes, the weather begins to transition from the heightened heat of summer to a more moderate, enjoyable climate. With an average temperature hovering around a pleasant 22°C (71°F), days are still warm but not sweltering, providing the perfect backdrop for exploration and relaxation. Although the humidity remains relatively high at 71%, the amount of precipitation increases compared to the drier summer months, featuring about seven days of light showers throughout the month. This blend of warmth and occasional rainfall makes September a unique time to experience Cannes, striking a delightful balance for those eager to enjoy the beauty of the Côte d'Azur. For more insights on the local climate, visit Cannes Climate.