Last updated: February 26, 2025
In Bastia, France, September paints a picturesque scene of mild Mediterranean weather, featuring a comfortable average temperature of 23°C (73°F). Daily highs reach a pleasant 27°C (80°F), while the nights cool down to a refreshing 15°C (59°F). Although precipitation is modest, totaling 35 mm (1.4 in) over 6 rainy days, the 70% humidity enhances the vibrant coastal atmosphere. This blend of warmth and occasional showers creates an inviting environment, perfect for exploring the scenic beauty and cultural richness of this charming seaside town.
In September, Bastia, France, enjoys a delightful transition from the summer heat to milder autumn temperatures. With minimums around 15°C (59°F) and averages rising to a comfortable 23°C (73°F), this month offers a perfect blend of warmth and refreshing breezes. The maximum temperature peaks at 27°C (80°F), allowing for plenty of opportunities to bask in the sun without the sweltering heat of peak summer. As the sun sets, the cooler evenings invite a cozy atmosphere, making September an ideal time to explore the beautiful landscapes and vibrant culture of Bastia. This month epitomizes the charm of early fall, blending summery delights with the promise of cooler days ahead.
In September, Bastia experiences a moderate increase in precipitation compared to the dry summer months, recording 35 mm (1.4 in) of rain over 6 days. This marks a gradual transition from the arid conditions of August, which only saw 9 mm (0.3 in), as the region begins to shift into its wetter autumn season. The rainfall levels indicate a heightened chance of showers, preparing the landscape for the more significant downpours of October and November, where precipitation leaps to 75 mm (2.9 in) and 137 mm (5.4 in) respectively. Overall, September serves as a bridge between summer dryness and the approaching autumnal rains, maintaining a delicate balance that nurtures the lush Mediterranean environment.
In September, Bastia experiences a moderate humidity level at 70%, marking a slight increase from the drier summer months of July (69%) and August (68%). This subtle rise in humidity signals the transition into autumn, as the island’s climate begins to shift. Notably, this month sits at the lower end of the annual spectrum, especially when compared to the winter months like January (80%) and November (80%), which bring noticeably higher moisture levels. Overall, September's humidity reflects a balance between the lingering warmth of summer and the approaching chill of fall, creating a pleasantly mild atmosphere for residents and visitors alike.
As we transition into September in Bastia, France, the UV Index reflects a high exposure category with a UV Index of 7, allowing for a burn time of approximately 25 minutes. This marks a slight decrease from the peak summer months, where the Index soared to 9 and 10 in July and June respectively, indicating that while the sun's intensity remains significant, it is more manageable than in the height of summer. Notably, September maintains a moderate level of UV exposure compared to the very high levels seen in earlier months, making it essential for sun protection, particularly during midday hours. As autumn approaches, sunscreen and protective clothing remain vital for outdoor activities—stay informed about the UV levels to better enjoy the beautiful Mediterranean climate. For more details, check out the Bastia UV Index.
UV Risk Categories
As the summer draws to a close, September in Bastia, France continues to bask in a warm embrace of sunshine, offering an impressive 345 hours of bright light—a delightful contrast to the dwindling daylight of the upcoming months. This month captures the tail end of the sun-soaked season, showcasing a steady glow that follows June and July's peak brilliance, which boast over 420 hours each. While September's sunshine starts to wane compared to the vibrant heights of July, it still provides a generous amount of light, making it a perfect time for leisurely walks along the picturesque coastal paths. As we transition into autumn, October brings a slight dip with 315 hours, hinting at shorter days ahead, but the warm echoes of summer linger in the air for those lucky enough to experience Bastia's early fall charm.
In Bastia, France, September marks a transition into autumn while still enjoying a healthy chance of sunshine at 61%. This figure reflects a slight dip from the peak summer months of July and August, which boast 69% and 74% of sunny days, respectively. Notably, September's sun probability remains higher than in the spring months, such as April and May, where the chances linger around the mid-50s. As summer fades, the pleasantly warm early autumn climate in Bastia is ideal for those looking to bask in lingering sunshine before the cooler months descend, making it a delightful time for outdoor activities.
As summer fades into autumn, September in Bastia, France offers a gentle transition with around 12 hours of daylight. This month marks a subtle decline from the sun-drenched days of July and August, where the average soared to 14 and 13 hours, respectively. As daylight gradually dwindles, Bastia’s landscape begins to embrace the soft hues of fall, signaling shorter days ahead. The gradual decrease in sunlight from the vibrant 15 hours in June to the 11 hours in October paints a clear picture of the ebbing summer, inviting locals and visitors to relish the lingering warmth of early autumn before winter arrives.
As summer gives way to autumn in Bastia, France, the September winds begin to whisper a transition. With an average wind speed of 4.2 m/s (9 mph), the breezes pick up slightly from the languid summer months, where July and August both recorded a gentle 3.8 m/s. This subtle increase hints at the approaching change in season, as winds gradually gain strength leading into October's average of 5.2 m/s (12 mph). Observing the annual pattern, September stands out as a brief interlude before the autumn winds grow brisker, setting the stage for the invigorating gusts of winter, which peak in November at 6.2 m/s (14 mph). Thus, September serves as a gentle precursor, a transition that caresses the coastline and invites the region to embrace the upcoming seasonal shifts.
The weather in Bastia 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 Bastia and find detailed weather information for every month.
September typically enjoys a warmer climate, with average temperatures reaching 23°C (73°F) and highs around 27°C (80°F). In contrast, January temperatures are significantly cooler, averaging just 11°C (53°F) and peaking at 16°C (61°F). While September experiences relatively low precipitation of 35 mm (1.4 in) over about 6 days, January sees an increase in rainfall, totaling 44 mm (1.7 in) over approximately 7 days. The humidity is also higher in January at 80%, compared to September’s 70%. For more detailed information, you can explore Bastia weather in January.
In September, the weather is warmer, with average temperatures around 23°C (73°F) and highs reaching up to 27°C (80°F), making it a pleasant month for outdoor activities. The precipitation is relatively low at 35 mm (1.4 in) over about 6 days, and humidity hovers around 70%. In contrast, February experiences much cooler temperatures, with averages of 12°C (54°F) and maximums of only 18°C (65°F). Rainfall increases to 64 mm (2.5 in) over about 8 days, while humidity remains slightly higher at 72%. For a more detailed insight into the February conditions, you can check Bastia weather in February.
In comparing the weather of September and March, a clear contrast emerges in both temperature and precipitation. September tends to be warmer, with average temperatures reaching around 23°C (73°F), while March is noticeably cooler, with an average temperature of just 12°C (54°F). The maximums also illustrate this difference, with September peaking at 27°C (80°F) compared to March's 16°C (62°F). Additionally, while both months experience about 6 days of precipitation, March has a slightly higher total rainfall of 49 mm (1.9 in) compared to September's 35 mm (1.4 in). Humidity levels remain relatively consistent, around 70% in September and 69% in March. For more detailed insights on March weather, you can refer to Bastia weather in March.
In comparing the weather of September and April, September generally offers warmer temperatures with a minimum of 15°C (59°F) and a pleasant average of 23°C (73°F), peaking at a comfortable 27°C (80°F). In contrast, April sees noticeably cooler temperatures, with a minimum of 7°C (45°F) and an average temperature of only 14°C (58°F), reaching a maximum of 20°C (68°F). Furthermore, September experiences less precipitation, totaling 35 mm (1.4 in) over about 6 days, while April is slightly wetter, with 52 mm (2.0 in) falling over 8 days. The humidity levels are relatively close, with September sitting at 70% and April at 74%. For a detailed look at April weather, check out Bastia weather in April.
In comparing the weather between September and May, September typically enjoys warmer temperatures, with an average of 23°C (73°F) and a maximum reaching 27°C (80°F), while May sees cooler conditions, with an average of 17°C (63°F) and a peak of 26°C (80°F). Additionally, September experiences less precipitation, totaling 35 mm (1.4 in) over about 6 days, compared to May's 56 mm (2.2 in) over 8 days. Humidity levels are slightly lower in September at 70%, as opposed to 75% in May. For a detailed look at the weather in May, you can visit Bastia weather in May.
When comparing the weather in September and June, both months exhibit mild temperatures, but September generally offers slightly warmer conditions with an average of 23°C (73°F) compared to June's average of 22°C (71°F). While June experiences minimal precipitation—only 16 mm (0.6 in) over about 3 days—September sees increased rainfall, totaling 35 mm (1.4 in) across 6 days. Humidity levels are fairly similar in both months, with September at 70% and June slightly higher at 72%. For a more detailed look at the weather in June, you can check out Bastia weather in June.
When comparing the weather in September to that of July, one can observe a noticeable shift in temperature and precipitation patterns. September features a minimum temperature of 15°C (59°F) and an average of 23°C (73°F), while July starts off warmer with a minimum of 21°C (69°F) and an average of 24°C (76°F). Additionally, September experiences slightly more rainfall, totaling 35 mm (1.4 in) across 6 days, compared to July's 19 mm (0.8 in) over just 2 days. Humidity levels remain relatively similar, with September at 70% and July at 69%. For more detailed information on July weather, you can check Bastia weather in July.
September's weather is characterized by slightly cooler temperatures compared to August, with minimums dropping from 21°C (69°F) in August to 15°C (59°F) in September. The average temperature also decreases from 25°C (78°F) in August to 23°C (73°F) in September, while the maximum temperature remains close, peaking at 27°C (80°F) in September compared to 29°C (84°F) in August. In terms of precipitation, September sees an increase to 35 mm (1.4 in) over 6 days, while August has much less at 9 mm (0.3 in) over just 2 days. Humidity levels are relatively similar, with September at 70% and August at 68%. For more detailed information, you can check Bastia weather in August.
September and October present a noticeable transition in weather patterns. In September, temperatures are warmer with an average of 23°C (73°F) and a maximum of 27°C (80°F), making it a pleasant month for outdoor activities. However, precipitation levels rise in October, with an increase to 75 mm (2.9 in) over 8 days, while the average temperature drops to 19°C (67°F), with a maximum of 24°C (75°F). Additionally, humidity levels slightly increase from 70% in September to 77% in October, contributing to a more damp feel as the autumn progresses. For more details about the weather in October, check out Bastia weather in October.
September generally boasts milder and warmer weather compared to November. With an average temperature of 23°C (73°F) and maximums reaching up to 27°C (80°F), September remains inviting, although it experiences about 35 mm (1.4 in) of precipitation over six days. In contrast, November sees a noticeable drop in temperatures, with an average of 15°C (60°F) and maximums of 21°C (69°F), accompanied by significantly higher rainfall—137 mm (5.4 in) over 16 days—indicating a much wetter month. Additionally, humidity levels rise from 70% in September to 80% in November, contributing to a chillier feel as the autumn progresses. For more specific details about the month, check out Bastia weather in November.
In September, the weather is notably warmer, with average temperatures around 23°C (73°F) and maximums reaching 27°C (80°F). The month experiences relatively low precipitation, totaling 35 mm (1.4 in) over about 6 days, and humidity levels hover around 70%. In contrast, December brings a significant drop in temperature, with averages falling to 13°C (56°F) and highs of only 17°C (63°F). This month also sees increased rainfall, accumulating 88 mm (3.5 in) over 13 days, and humidity is slightly higher at 76%. For those curious about the specific conditions, more details can be found at Bastia weather in December.
As summer transitions to autumn, September in Bastia presents a delightful mix of warmth and mildness, distinguishing it from the hotter months of July and August. The temperatures remain comfortably warm, yet notably cooler than the peak summer heat, offering a pleasant escape for visitors. With an average humidity of 70% and some light rains spread over just six days, the weather is generally quite agreeable, making it an ideal time for outdoor activities. This month’s moderate climate, complemented by a brief occurrence of rainfall, ensures a refreshing balance that sets it apart from the sweltering summer days. For a deeper dive into Bastia’s changing weather patterns and to plan your trip accordingly, check out the detailed insights at Bastia Climate.