Last updated: February 26, 2025
In September, the picturesque island of Saint-Martin-de-Ré, France welcomes visitors with a delightful climate marked by an average temperature of 18°C (65°F). Delight in warm days where temperatures can reach a maximum of 30°C (87°F), perfect for enjoying the sun-soaked landscapes. While minimum temperatures can drop to a refreshing 10°C (49°F), evenings remain comfortably cool. Although September experiences 44 mm (1.7 in) of precipitation over 9 days, the air is predominantly dry with a humidity level of 75%, ensuring a pleasant atmosphere for exploring the island's charming sights. Whether you're strolling along the coast or savoring local cuisine, the weather enhances every moment in this idyllic destination.
In September, Saint-Martin-de-Ré begins to transition from the warmth of summer to the cooler embrace of autumn. With minimum temperatures around 10°C (49°F) and an average hovering at 18°C (65°F), the island still offers a pleasant climate, perfect for outdoor exploration and seaside relaxation. As maximum temperatures reach a comfortable 30°C (87°F), it's the ideal time to enjoy the lingering sunshine before the chill sets in. The drop in temperatures compared to the peak summer months hints at the changing season, yet the warmth of early fall ensures that visitors can still savor the beauty and charm of this coastal paradise.
In September, Saint-Martin-de-Ré experiences a transition toward autumn, marked by a moderate precipitation of 44 mm (1.7 in) over 9 days. This is a slight uptick from the drier summer months, where July and August recorded only 29 mm (1.1 in) and 33 mm (1.3 in), respectively. As the year progresses, September serves as a precursor to the wetter months ahead, with precipitation amounts gradually increasing in October and November, which see 85 mm (3.4 in) and 94 mm (3.7 in), respectively. This evolving pattern showcases the distinct shift in Saint-Martin-de-Ré’s climate as summer fades, hinting at the rejuvenating rains of fall that will soon envelop the charming island.
September in Saint-Martin-de-Ré marks a subtle shift in humidity levels, settling at 75%, a refreshing change from the peak summer months. As the humidity begins to taper off from the highs of August at 67%, this transition indicates a gradual move towards the cooler fall months. The trend throughout the year reveals relatively high humidity in the winter months, spiking to 90% in December, while the summer experiences a notable dip, with July reaching its lowest at 65%. With September's humidity returning to numbers reminiscent of earlier spring and summer, it serves as a gentle reminder of the approaching seasonal changes.
As summer transitions to autumn in Saint-Martin-de-Re, September brings a UV Index of 6, placing it in the high exposure category. This marks a noticeable decline from the peak levels of 8-9 seen in July and August but still requires caution with a burn time of 25 minutes. The month retains the lingering warmth of summer, urging outdoor activities while reminding visitors to protect their skin. Looking ahead, the UV Index is expected to ease further in October, reflecting the seasonal shift. Stay informed about UV levels to enjoy the beautiful beaches safely by checking the Saint-Martin-de-Re UV Index.
UV Risk Categories
September in Saint-Martin-de-Ré offers a delightful blend of warmth and sunlight, with 340 hours of sunshine illuminating the picturesque landscapes. As the summer's peak warmth transitions into autumn, the sun-soaked days still evoke the vibrant spirit of late summer, though they dip slightly from the 422 hours enjoyed in July. This seasonal shift brings a certain charm, as tourists bask in the less crowded beaches and enjoy mild temperatures. The gradual decline in sunlight hours continues through October, making September an ideal time for those seeking to relish the last remnants of summer in this idyllic French locale.
As we transition into September in Saint-Martin-de-Ré, France, the likelihood of sunny weather reaches a balanced 50%, hinting at a delightful mix of sun and occasional clouds. This moderate chance comes after the peak summer months, where August enjoys a 54% likelihood of sunshine. Interestingly, while the sunshine percentages fluctuate throughout the year, September stands out as a sweet spot—neither overly sunny nor too gloomy—making it an appealing time for those looking to enjoy the vestiges of summer warmth. As the days begin to shorten and the autumn chill approaches, visitors can relish the best of both worlds: the lingering summer sun paired with the early hues of fall.
As summer fades into autumn, September in Saint-Martin-de-Ré, France experiences a gentle decline in daylight, offering about 12 hours of sunshine each day. This marks a notable shift from the sun-drenched months of June and July, which bask in 15 hours of daylight, and even from August at 14 hours. The gradual decrease in daylight during this month highlights the transition toward the shorter days of fall, emphasizing nature's rhythmic cycle. Despite the decline, September still retains a generous amount of sunlight, inviting visitors to enjoy the lingering warmth and vibrant hues of the early fall season.
As summer transitions to autumn in Saint-Martin-de-Ré, September brings with it a gentle shift in the wind's embrace. The average wind speed dips to 3.8 m/s (8 mph), marking it as one of the calmest months of the year. This decline follows a warm summer, where wind speeds hovered between 4.4 m/s and 5.5 m/s, making the breeze feel more refreshing. In contrast, the invigorating gusts of January and December, averaging around 5.5 m/s (12 mph), remind us of winter's approach. Overall, September's softer winds create a tranquil atmosphere, inviting leisurely strolls along the coast while hinting at the seasonal changes that lie ahead.
The weather in Saint-Martin-de-Re 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 Saint-Martin-de-Re and find detailed weather information for every month.
September and January present contrasting weather experiences. In September, temperatures range from a mild 10°C (49°F) to a warm 30°C (87°F) with an average of 18°C (65°F), creating a pleasant atmosphere ideal for outdoor activities. The month sees about 44 mm (1.7 in) of rainfall over approximately 9 days, with humidity levels at 75%.
In stark contrast, January features much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 15°C (60°F), averaging just 7°C (45°F). Precipitation increases to 61 mm (2.4 in) over 10 days, and humidity rises to 88%, contributing to a much chillier and damp environment. For a closer look at January weather specifics, check out Saint-Martin-de-Re weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a mild 10°C (49°F) at night to a warm 30°C (87°F) during the day, with an average of 18°C (65°F). The month experiences about 44 mm (1.7 in) of precipitation over roughly 9 days and has a humidity level of 75%. In stark contrast, February sees much cooler temperatures, with nighttime lows dropping to -5°C (24°F) and daytime highs reaching only 19°C (66°F), averaging around 9°C (48°F). It also receives more precipitation, totaling 69 mm (2.7 in) over approximately 11 days, while humidity is higher at 87%. For a more detailed understanding of February weather in this region, check out Saint-Martin-de-Re weather in February.
September and March present contrasting weather patterns that highlight the transition between seasons. In September, temperatures are generally warmer, with a minimum of 10°C (49°F) and an average of 18°C (65°F), peaking at a maximum of 30°C (87°F). This month experiences relatively lower precipitation at 44 mm (1.7 in) over 9 days, alongside a humidity level of 75%.
In contrast, March is cooler, featuring a minimum temperature of -5°C (23°F) and an average of 10°C (51°F), with highs reaching 22°C (72°F). Precipitation is higher in March at 75 mm (3.0 in) over 12 days, and humidity levels rise to 84%. For a detailed look at the weather patterns for March, you can explore Saint-Martin-de-Re weather in March.
When comparing the weather in September and April, we see notable differences in temperature and humidity. September features a much warmer average temperature of 18°C (65°F), with daytime highs reaching up to 30°C (87°F). In contrast, April is cooler, with an average temperature of 13°C (55°F) and maximum temperatures peaking at 24°C (76°F). Additionally, while September has a lower humidity level at 75%, April experiences slightly higher humidity at 83%. Both months have similar precipitation levels, with September receiving 44 mm (1.7 in) over approximately 9 days and April slightly less at 42 mm (1.7 in) over 8 days. For a closer look at April weather, you can check Saint-Martin-de-Re weather in April.
When comparing the weather in September and May, September exhibits a warmer climate with average temperatures around 18°C (65°F), peaking at a maximum of 30°C (87°F). In contrast, May tends to be cooler, with an average temperature of 16°C (60°F) and a high of 29°C (84°F). Precipitation is slightly lower in September, totaling 44 mm (1.7 in) over 9 days, compared to May's 69 mm (2.7 in) across 11 days. Humidity is generally high in both months, but May holds a slightly higher average of 81% compared to September's 75%. For a closer look at May weather specifics, you can refer to Saint-Martin-de-Re weather in May.
When comparing the weather in September and June, we see some noticeable differences. In September, temperatures range from a minimum of 10°C (49°F) to a maximum of 30°C (87°F), with an average of 18°C (65°F), while June offers slightly warmer conditions with a minimum of 11°C (52°F) and a maximum of 33°C (92°F), averaging at 19°C (66°F). Precipitation is more significant in June, totaling 74 mm (2.9 in) over 10 days, compared to September's 44 mm (1.7 in) across 9 days. Both months experience similar humidity levels of 75%. For more detailed information, you can check Saint-Martin-de-Re weather in June.
When comparing the weather conditions of September and July, we see distinct differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of 10°C (49°F) and an average of 18°C (65°F), while July is warmer, featuring a minimum of 13°C (55°F) and an average of 21°C (70°F). Additionally, July has a higher maximum temperature of 33°C (91°F) compared to 30°C (87°F) in September. In terms of precipitation, September receives more rainfall, totaling 44 mm (1.7 in) over 9 days, while July is drier with only 29 mm (1.1 in) across 6 days. Humidity levels are also higher in September at 75%, compared to 65% in July. For more detailed information about July weather, you can visit Saint-Martin-de-Re weather in July.
In comparing the weather between September and August, September tends to offer slightly cooler temperatures, with a minimum of 10°C (49°F) and a maximum of 30°C (87°F), compared to August’s more robust minimum of 12°C (55°F) and a peak of 33°C (92°F). The average temperature in September is 18°C (65°F), which is slightly lower than August's average of 20°C (69°F). Additionally, September experiences more precipitation, totaling 44 mm (1.7 in) over 9 days, while August sees a bit less at 33 mm (1.3 in) across 7 days. Humidity levels are also higher in September at 75%, compared to 67% in August. For more details, you can check out Saint-Martin-de-Re weather in August.
In September, the weather is generally warmer, with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 30°C (87°F) and an average of 18°C (65°F). This month experiences some rainfall as well, with 44 mm (1.7 in) over approximately 9 days, and the humidity sits at 75%. In contrast, October brings cooler temperatures, with minimums dropping to 4°C (40°F) and highs reaching 24°C (75°F), averaging around 15°C (59°F). Rainfall increases significantly to 85 mm (3.4 in) spread over 12 days, alongside a rise in humidity to 85%. For more insights into the weather conditions during this period, check out the details here: Saint-Martin-de-Re weather in October.
September and November present a striking contrast in weather patterns. September enjoys warmer temperatures, with average highs of 30°C (87°F) and a pleasant average of 18°C (65°F), while November sees cooler conditions, with an average high of just 10°C (51°F) and lows dipping to 1°C (35°F). Additionally, September experiences relatively low precipitation with 44 mm (1.7 in) over 9 days, whereas November is wetter, accumulating 94 mm (3.7 in) across 12 days, resulting in higher humidity levels of 88%. For a detailed look at the weather in November, you can visit Saint-Martin-de-Re weather in November.
The weather in September contrasts sharply with that in December, showcasing a significant shift in temperature and precipitation patterns. In September, temperatures range from a minimum of 10°C (49°F) to a maximum of 30°C (87°F), with an average of 18°C (65°F) and relatively low precipitation of 44 mm (1.7 in) over 9 rainy days. In comparison, December brings much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 16°C (60°F), averaging just 9°C (48°F). This month also sees a substantial increase in rainfall, totaling 121 mm (4.8 in) over 16 days, coupled with higher humidity at 90%. For a detailed look at the weather conditions during December, you can visit Saint-Martin-de-Re weather in December.
As summer transitions to autumn, September in Saint-Martin-de-Ré brings a delightful yet dynamic shift in weather. Temperatures can still peak around 30°C (87°F), but the average cools down to a comfortable 18°C (65°F), offering a pleasant escape from the summer heat. With increased humidity and moderate rainfall, the month can feel refreshing, marked by an average of 9 days of precipitation, totaling about 44 mm (1.7 in). This blend of warmer days and occasional showers sets September apart from the sizzling summer months, making it a unique time to experience the charm of this picturesque locale. For more insights, check out the detailed Saint-Martin-de-Re Climate.