Last updated: February 26, 2025
September in Saint-Germain-des-Prés, France, presents a captivating transition between summer and autumn, characterized by maximum temperatures reaching 35°C (96°F) and average temperatures hovering around 17°C (63°F). As the month progresses, the region experiences cooler moments with temperatures dipping to a refreshing minimum of 4°C (40°F). Rainfall is moderate, totaling 54 mm (2.1 in) across approximately 7 days, contributing to an overall humidity of 78% that enhances the crisp autumn air. This delightful blend of warmth and freshness makes September an enchanting time to explore the charming streets and vibrant culture of Saint-Germain-des-Prés.
In September, Saint-Germain-des-Prés marks the transition into autumn with delightful temperatures that reflect the changing season. The average temperature settles at a comfortable 17°C (63°F), providing an ideal backdrop for leisurely strolls through its quaint streets. Mornings can be brisk, with minimums dropping to 4°C (40°F), while the afternoons can still be pleasantly warm, peaking at a toasty 35°C (96°F). This blend of cooler mornings and warmer afternoons creates a perfect opportunity for visitors to enjoy outdoor cafés and nearby parks, all while savoring the vibrant colors of early fall. As summer gently fades, September in this charming Parisian district offers a harmonious balance of warmth and freshness, inviting exploration and relaxation alike.
In September, Saint-Germain-des-Prés experiences a gentle transition into autumn with 54 mm (2.1 inches) of precipitation spread over 7 days. This marks a subtle increase from the drier months of July and August, yet it remains significantly below the levels seen in both October and December. As summer's warmth gives way to fall's embrace, the moderate rainfall reflects a pattern of gradually intensifying precipitation as the year progresses, signaling the onset of the wetter season. This blend of subtle weather shifts enhances the charm of the area, making it a picturesque time for strolls along its historic streets, kissed by the soft patter of autumnal rain.
In September, humidity in Saint-Germain-des-Prés begins to increase slightly after the drier summer months, settling at 78%. This reflects a trend where the humidity gradually rises from the seasonal low of 72% in August as the region transitions towards autumn. While the September level is still relatively comfortable, it foreshadows the return to higher humidity levels typical of October and November, which average around 88% and 91%, respectively. This progressive increase underscores the notion that as summer fades, the air grows heavier, setting the stage for a more humid fall season.
In September, Saint-Germain-des-Prés experiences a notable decline in UV intensity, with the UV Index dropping to 6, categorizing it as high and allowing for a burn time of 25 minutes. This reduction marks a shift from the peak summer months of July and August, where the UV Index soared to 9, demanding caution due to the very high exposure levels. As autumn approaches, residents and visitors can enjoy longer daylight hours while still being mindful of sun protection. This pattern reflects a gradual transition towards milder UV conditions, aligning with the upcoming cooler months. For more information, visit Saint-Germain-des-Pres UV Index.
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As summer wanes, September in Saint-Germain-des-Prés still basks in a glorious 326 hours of sunshine, a delightful continuation of the radiant warmth that characterized the preceding months. This sunny respite signals a gradual tapering from the peak of 408 hours in July, yet remains vibrant compared to the brisk autumn ahead. The transition from the sun-soaked days of August, with its 382 hours, marks a gentle shift as the city prepares for the cooler embrace of October. With each hour of sunlight, the charming streets and cafés of Saint-Germain-des-Prés continue to draw locals and visitors alike, creating an enchanting atmosphere that lingers long after summer fades.
September in Saint-Germain-des-Prés offers a promising blend of warmth and sunshine, with a 45% chance of sunny weather. This marks a delightful transition from the summer months, where sunshine probabilities hovered around the mid to high 30s. As the region bids farewell to summer, the likelihood of clear skies remains relatively stable compared to October's 43%. In fact, September showcases one of the highest chances for sunshine this year, just a few percentage points shy of springtime peaks. As the days shorten, residents and visitors can still indulge in charming outdoor activities while basking in the gentle glow of early autumn sun.
In Saint-Germain-des-Prés, the transition into September signifies a gentle but noticeable shift in daylight duration, boasting 12 hours of sunlight. This marks a decline from the long, sun-drenched days of summer where daylight peaked at 15 hours in June, July, and August. As autumn approaches, the waning daylight becomes apparent, yet September still captures the lingering warmth and brightness of summer's end. Following this month, daylight hours continue to diminish, dipping to 10 hours in October and further fading to just 8 hours by December. This rhythm of light reflects the gradual embrace of the cooler seasons, offering a poignant reminder of nature’s cyclical beauty.
As the summer fades into autumn, September in Saint-Germain-des-Prés welcomes a gentle breeze with an average wind speed of 2.8 m/s (6 mph). This marks a notable decline from the lively winds experienced in the months prior, where May surged to a peak of 4.5 m/s (10 mph). The transition into fall is characterized by a soothing calm, as the previous warmth gives way to cooler tones. While wind speeds during September are lower compared to the rest of the year, they provide a refreshing contrast to the bustling streets and cafes, creating an inviting atmosphere perfect for leisurely strolls through this charming Parisian district. As temperatures drop, the whispers of fall begin to interweave with the enchanting ambiance of Saint-Germain-des-Prés, hinting at the season's captivating transformation.
The weather in Saint-Germain-des-Pres 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-Germain-des-Pres and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures range from a cool 4°C (40°F) at night to a warm 35°C (96°F) during the day, with an average of 17°C (63°F). Although the month experiences some rainfall, with 54 mm (2.1 in) over about 7 days, the humidity sits comfortably at 78%. In stark contrast, January brings much colder temperatures, with minimums dropping to -8°C (18°F) and a daytime maximum of 15°C (60°F), resulting in an average of just 4°C (40°F). This winter month also sees increased precipitation at 68 mm (2.7 in) across 11 days and higher humidity levels at 91%. For more detailed insights, visit Saint-Germain-des-Pres weather in January.
September and February present notably different weather patterns. In September, temperatures range from a mild 4°C (40°F) at night to a scorching maximum of 35°C (96°F) during the day, with an average of 17°C (63°F). This month typically sees around 54 mm (2.1 in) of precipitation over approximately 7 days, accompanied by a humidity level of 78%. In contrast, February offers much colder temperatures, with a minimum of -7°C (19°F) and a maximum of 22°C (71°F), resulting in an average of just 6°C (44°F). Precipitation increases slightly to 64 mm (2.5 in) over 12 days, and humidity is higher at 89%. These differences highlight the transition from late summer warmth in September to the chill of winter in February. For a detailed look at the weather in February, visit Saint-Germain-des-Pres weather in February.
September and March present notably different weather patterns. In September, temperatures range from a cool 4°C (40°F) at night to a warm 35°C (96°F) during the day, with an average of 17°C (63°F). The month sees approximately 54 mm (2.1 in) of precipitation spread across about 7 days, accompanied by a humidity level of 78%. In contrast, March experiences much colder temperatures, peaking at 24°C (76°F) while dipping down to -10°C (14°F) at night, with an average temperature of 8°C (48°F). It also brings more rain, with 73 mm (2.9 in) falling over 13 days and a higher humidity level of 86%. For a detailed look at March weather, you can visit Saint-Germain-des-Pres weather in March.
In comparing the weather of September and April, September tends to be warmer overall, with average temperatures reaching 17°C (63°F) and maximums peaking at 35°C (96°F). On the other hand, April starts cooler, with average temperatures around 11°C (53°F) and maximums of 28°C (83°F). Precipitation levels in September are slightly higher at 54 mm (2.1 in) over 7 days, compared to April's 32 mm (1.2 in) over 5 days. Interestingly, humidity levels are fairly comparable, with September at 78% and April slightly higher at 84%. For a detailed look at April’s weather in Saint-Germain-des-Prés, you can visit Saint-Germain-des-Pres weather in April.
In comparing September and May weather, September generally offers a wider temperature range, with minimums of 4°C (40°F) and maximums reaching as high as 35°C (96°F). The average temperature is a pleasant 17°C (63°F), making it a relatively warm month. September also experiences about 54 mm (2.1 in) of precipitation over approximately 7 days, with humidity levels around 78%.
In contrast, May features slightly cooler temperatures, with a minimum of 1°C (33°F) and a maximum of 32°C (89°F). The average temperature in May is around 15°C (59°F). However, it has higher precipitation levels at 82 mm (3.2 in) spread over 12 days, leading to a slightly more humid atmosphere with humidity at 82%. This comparison highlights that while September can be notably hot, May tends to be cooler with more frequent rainfall. For more details, you can check Saint-Germain-des-Pres weather in May.
When comparing the weather in September and June, we see some notable differences. September experiences slightly cooler temperatures, with a minimum of 4°C (40°F) compared to June's minimum of 7°C (45°F), but it can still reach a maximum of 35°C (96°F), almost on par with June's high of 37°C (98°F). Precipitation levels increase slightly in June, with 60 mm (2.3 in) over 10 days, while September sees a bit less at 54 mm (2.1 in) over 7 days. Humidity levels also remain high in both months, with September at 78% and June slightly higher at 82%. For more detailed information, check out Saint-Germain-des-Pres weather in June.
When comparing the weather in September and July, September tends to experience a broader temperature range, with minimums around 4°C (40°F) and maximums reaching up to 35°C (96°F), giving it a pleasant average of 17°C (63°F). In contrast, July has milder minimum temperatures of 8°C (47°F) and can peak at a sweltering 41°C (107°F), resulting in a warmer overall average of 21°C (70°F). Precipitation is slightly higher in September at 54 mm (2.1 in) over 7 days, compared to July’s 46 mm (1.8 in) over 6 days, along with similar humidity levels of 78% and 79%, respectively. For more details on July's weather, you can visit Saint-Germain-des-Pres weather in July.
In comparing the weather of September to August, September presents a notable drop in minimum temperature, with a low of 4°C (40°F) compared to August's 7°C (45°F). The average temperature also decreases from 21°C (69°F) in August to 17°C (63°F) in September, though peak temperatures remain fairly close, with September reaching a maximum of 35°C (96°F) versus August's 37°C (99°F). Precipitation in September is slightly higher at 54 mm (2.1 in) over 7 days, compared to 43 mm (1.7 in) spread over 9 days in August. Furthermore, September carries a slightly higher humidity level at 78%, compared to August’s 72%. For more details, you can visit Saint-Germain-des-Pres weather in August.
September experiences a broader range of temperatures, with minimums as low as 4°C (40°F) and maximums peaking at 35°C (96°F), averaging around 17°C (63°F). In contrast, October sees cooler conditions, where the minimum temperature drops to 1°C (34°F) and the maximum reaches 27°C (81°F), resulting in an average of 13°C (56°F). Additionally, while September has 54 mm (2.1 in) of precipitation over approximately 7 days, October is wetter, with 78 mm (3.1 in) falling over 13 days, contributing to a notable increase in humidity from 78% in September to 88% in October. For more detailed insights on October weather, you can check Saint-Germain-des-Pres weather in October.
September and November present strikingly different weather patterns. September features a wider temperature range, with minimums around 4°C and highs that can reach up to 35°C, resulting in an average of 17°C. In contrast, November's temperatures drop significantly, with a minimum of -4°C and a more modest average of 8°C. This cooler month also experiences increased precipitation, totaling 62 mm over 11 days, compared to September's 54 mm across 7 days. Moreover, November's humidity peaks at 91%, making it feel even more brisk. For those interested in exploring November weather more closely, you can visit Saint-Germain-des-Pres weather in November.
In comparing September and December weather, it’s clear that there is a stark contrast between the two months. September sees a more moderate climate with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 35°C (96°F), accompanied by an average temperature of 17°C (63°F). Precipitation is relatively low at 54 mm (2.1 in) over about 7 days, and humidity sits at a comfortable 78%. In contrast, December experiences colder temperatures, with a minimum of -4°C (26°F) and an average of 6°C (43°F), peaking at 16°C (61°F). The month is also significantly wetter, receiving 103 mm (4.1 in) of precipitation over 18 days, coupled with higher humidity at 93%. For more detailed information on December weather, you can check out the link: Saint-Germain-des-Pres weather in December.
As summer transitions into autumn, September in Saint-Germain-des-Prés brings a refreshing change in weather. The days can still feel warm, with temperatures peaking occasionally, but significantly cooler mornings remind residents and visitors that fall is on the horizon. Unlike the peak summer months characterized by relentless heat, September offers a more moderate climate, complemented by a hint of humidity and occasional rainfall. This blend of warmth and crispness sets the stage for the vibrant beauty of the season. For more detailed insights into the weather patterns throughout the year, visit Saint-Germain-des-Pres Climate.