September Weather in Bonifacio, France

Last updated: February 26, 2025

In September, Bonifacio, France experiences a delightful transition from summer warmth to the crispness of autumn. With a maximum temperature reaching 28°C (83°F) and an average of 23°C (73°F), the weather remains pleasantly warm, perfect for exploring the stunning coastal scenery. However, cooler evenings can bring temperatures down to a minimum of 15°C (59°F). This month also sees about 42 mm (1.7 in) of rainfall spread over 5 days, adding a refreshing touch to the landscape. Humidity levels hover around 68%, enhancing the mild and inviting atmosphere that characterizes this beautiful Mediterranean locale.

September Temperature in Bonifacio

In September, Bonifacio enjoys a delightful transition into autumn, with temperatures ranging from a pleasant 15°C (59°F) at night to a comfortable 28°C (83°F) during the day. This month strikes a perfect balance, showcasing an average temperature of 23°C (73°F), which signals the end of the summer heat but retains enough warmth for outdoor activities. Compared to the sweltering highs of August, September welcomes a gentle drop, making it an ideal time for visitors to explore the stunning landscapes and vibrant culture without the oppressive heat. As the month progresses, the temperatures continue to taper off, hinting at the cooler months ahead, yet September remains a beautiful time to experience the charm of Bonifacio.

September Weather in Bonifacio: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bonifacio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525354576371777973665955
Data source: Temperature data for Bonifacio generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bonifacio

In September, Bonifacio experiences a noticeable uptick in precipitation, receiving 42 mm (1.7 in) of rain over 5 days. This marks a shift from the dry summer months, which saw minimal rainfall—just 4 mm (0.1 in) in August. The return of rain in September sets the stage for the wetter autumn months ahead, particularly as October follows with 47 mm (1.9 in). This seasonal transition highlights a gradual increase in precipitation that mirrors the overall trend of rising moisture as the year progresses, preparing the landscape for the lush growth that accompanies the cooler, wetter days of fall.

September Precipitation Trends in Bonifacio

The chart displays monthly precipitation patterns in Bonifacio, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec76544954541174424813184
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bonifacio

In September, Bonifacio experiences a moderate humidity level of 68%, reflecting the subtle transition from the warm, drier summer months to the cooler, wetter autumn season. This slight dip in humidity follows a steady decline from 79% in January to a low of 66% in August. Interestingly, September's humidity hints at the gradual increase that is expected as the year progresses, with levels rising again to 75% by October. Overall, this trend illustrates how Bonifacio’s climate fluctuates throughout the year, creating a distinct rhythm that captivates both locals and visitors alike.

September Average Humidity in Bonifacio

This chart illustrates the average monthly humidity levels in Bonifacio, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%72%70%74%72%70%69%66%68%75%78%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bonifacio

In September, Bonifacio experiences a notable shift in UV exposure, with the UV Index dropping to 7, classified as high. This marks a transition from the peak summer months, where the Index reached a maximum of 10 in both June and July, indicating a trend of decreasing sun intensity as autumn approaches. With a burn time of just 25 minutes, sun safety remains essential, echoing the need for protective measures similar to the earlier summer season. As the days shorten, lingering warm weather invites outdoor activities, yet it's wise to remain vigilant. For more detailed information about UV Index trends throughout the year, visit Bonifacio UV Index.

Maximum UV Index Levels in Bonifacio for September

The chart shows the monthly maximum UV Index (UVI) for Bonifacio in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097642
Data source: Bonifacio September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Bonifacio

September in Bonifacio, France, sees a delightful transition as summer gracefully fades into autumn, offering a generous 344 hours of sunshine. Following the peak in July with 431 hours, the sunlight begins to wane but still outshines the earlier months of the year. The sun-soaked days of August gracefully lead into September, showcasing a significant drop but providing plenty of cheerful rays for outdoor activities and scenic explorations. As the warm glow of summer gives way to the crisp air of fall, September remains a vibrant month, enticing residents and visitors alike to bask in its gentle sunshine before the shorter days of October approach. This pattern reflects a seasonal rhythm, where the allure of Bonifacio’s landscape continues to thrive under the Mediterranean sun.

Monthly Sunshine Duration in Bonifacio: September Highlighted

The September sunshine duration represents the total number of hours Bonifacio experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec203h267h333h357h406h418h431h399h344h318h257h251h
Data source: Bonifacio September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bonifacio During September

In September, Bonifacio, France boasts a 52% chance of sunny weather, making it a favorable time for those seeking pleasant days by the coast. As summer winds down, the likelihood of sunshine remains robust, reflective of the peak months of July and August, which hit a remarkable 75%. This gradual transition from summer to autumn shows how the region retains a fair share of sunny days, even as temperatures begin to cool. Following a vibrant summer, September often welcomes visitors with mild weather, striking a balance between sunny spells and the crispness of early fall, making it an enticing month for exploration and relaxation in this picturesque locale.

Percentage of Sunny Days in September in Bonifacio

The chart illustrates the percentage of sunny days in Bonifacio throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Bonifacio experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%52%64%49%54%63%75%76%52%49%39%52%
Data source: Bonifacio September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bonifacio in September

As summer winds down in Bonifacio, France, September offers a pleasant transition with 12 hours of daylight. This marks a decline from the vibrant 15 hours experienced in June, but it's still significantly more than the 9 hours seen in the heart of winter. The daylight duration begins to taper off gradually from August's modest 13 hours, signaling the approach of fall. This trend illustrates a steady descent in sunlight as the year progresses, with the days becoming noticeably shorter, yet September retains a charming balance that invites both locals and visitors to savor the gentle warmth and lingering light of early autumn.

Average Daylight Hours in Bonifacio for September

The chart illustrates the variation in daylight duration in Bonifacio throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 33m10h 36m11h 57m13h 20m14h 30m15h 6m14h 47m13h 45m12h 25m11h 3m9h 50m9h 13m
Data source: Bonifacio daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bonifacio

As autumn approaches in Bonifacio, France, the September winds begin to mellow, averaging around 4.6 m/s (10 mph). This marks a subtle shift from the brisker summer breezes, which hovered around similar speeds in July and August. Notably, the wind speed here generally drops from the peak in winter months to a gentle rhythm in late summer and early fall. The trends suggest that while the winds remain relatively mild this time of year, the forthcoming months may bring slightly stronger gusts, as evidenced by the uptick seen in November. It’s a delightful transition that captures the essence of the Mediterranean’s tranquil beauty, inviting visitors to savor the enchanting landscapes without the overwhelming force of nature.

Average September Wind Speed in Bonifacio

The chart displays monthly wind speed patterns in Bonifacio, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.16.24.94.66.04.45.04.94.6 m/s4.65.95.7
Data source: Bonifacio September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bonifacio Compares to Other Months

The weather in Bonifacio 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 Bonifacio and find detailed weather information for every month.

In September, temperatures are notably milder, ranging from a minimum of 15°C (59°F) to a pleasant average of 23°C (73°F), peaking at a comfortable 28°C (83°F). During this month, the weather features about 42 mm (1.7 in) of precipitation over an average of 5 days, with humidity sitting at 68%. Conversely, January experiences much cooler conditions, with temperatures dropping to a minimum of 5°C (41°F) and averaging only 11°C (52°F), while the maximum rarely exceeds 16°C (61°F). This month sees higher precipitation levels at 76 mm (3.0 in) over approximately 9 days, coupled with a higher humidity of 79%. For more detailed information, check out Bonifacio weather in January.

September and February present quite different weather experiences. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 28°C (83°F), with an average of 23°C (73°F), making it a warm and pleasant month. It sees moderate precipitation at 42 mm (1.7 in) spread over about 5 days, and humidity levels hover around 68%. Conversely, February is much cooler, with temperatures ranging from 2°C (36°F) to a maximum of 18°C (64°F) and an average of 12°C (53°F). This month experiences slightly higher precipitation at 54 mm (2.1 in) over 8 days, alongside a bit higher humidity at 72%. For a detailed look at the weather in February, you can check Bonifacio weather in February.

In comparing the weather between September and March, September presents a significantly warmer climate, with average temperatures ranging from a mild 15°C (59°F) at night to a warm 28°C (83°F) during the day. This month typically sees about 42 mm (1.7 in) of precipitation over approximately 5 days, accompanied by a comfortable humidity level of 68%. In contrast, March experiences cooler temperatures, with an average high of only 17°C (63°F) and a low of 5°C (40°F). Precipitation slightly increases to 49 mm (1.9 in) spread over about 6 days, alongside a marginally higher humidity of 70%. For more detailed information, you can check Bonifacio weather in March.

In September, temperatures are generally warmer, with a minimum of 15°C (59°F), an average of 23°C (73°F), and a maximum of 28°C (83°F). Humidity sits at 68%, and there's an average of 42 mm (1.7 in) of precipitation over about five days. In contrast, April brings cooler weather, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 20°C (68°F), and an average temperature of 14°C (58°F). The month is slightly wetter, receiving 54 mm (2.1 in) of rain over approximately eight days, along with a higher humidity level of 74%. For a comprehensive overview, you can check out Bonifacio weather in April.

September and May present contrasting weather patterns, reflecting the transition between summer and autumn. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 28°C (83°F) with an average of 23°C (73°F), offering warm and pleasant days. In contrast, May's temperatures start lower, with a minimum of 9°C (49°F) and an average of 17°C (64°F) peaking at 26°C (79°F), signifying a cooler month as spring fades. Precipitation in September totals 42 mm (1.7 in) over about 5 days, while May sees slightly more rain at 54 mm (2.1 in) across 6 days. Humidity levels are also comparable, with September at 68% and May slightly higher at 72%. For more details, visit Bonifacio weather in May.

When comparing the weather in September and June, we see some interesting similarities and differences. Both months boast maximum temperatures reaching up to 28°C (83°F), providing plenty of warm days for outdoor activities. However, September tends to be slightly warmer on average, with a minimum temperature of 15°C (59°F), compared to June's minimum of 16°C (62°F). Additionally, September experiences higher precipitation levels, with 42 mm (1.7 in) over approximately five rainy days, while June is much drier, receiving only 11 mm (0.4 in) over two days. Humidity levels are also comparable, with September at 68% and June at 70%. For more details on June weather specifics, check out Bonifacio weather in June.

In comparing the weather conditions between September and July, notable differences emerge. September tends to be cooler, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 28°C (83°F), while July is warmer, featuring a minimum of 20°C (68°F) and maxing out at 30°C (86°F). Additionally, September experiences more precipitation, with 42 mm (1.7 in) falling over about 5 days, compared to the much drier July, which sees only 7 mm (0.3 in) over just 1 day. Humidity levels are similar, hovering at around 68% in September and 69% in July, making both months relatively comfortable. For more detailed information, you can check Bonifacio weather in July.

In comparing the weather patterns of September and August, we see a notable shift in temperature and precipitation. September experiences a cooler climate with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 28°C (83°F), while August remains warmer, with average temperatures between 21°C (71°F) and 31°C (89°F). Precipitation also takes a turn, as September witnesses about 42 mm (1.7 in) of rain over five days, contrasted with August's minimal 4 mm (0.1 in) of rain occurring over just one day. Humidity levels remain relatively similar, with September at 68% and August at 66%. For more detailed insights, you can visit Bonifacio weather in August.

September typically experiences warmer temperatures, with averages around 23°C (73°F) and highs reaching up to 28°C (83°F). In contrast, by October, the temperatures drop slightly, averaging 19°C (67°F) and peaking at 25°C (77°F). While both months see some rain, October has a bit more precipitation at 47 mm (1.9 in) over 7 days compared to September's 42 mm (1.7 in) over 5 days. Additionally, October has a higher humidity level of 75%, compared to September's 68%. For more details, check out Bonifacio weather in October.

September tends to be warmer than November, with average temperatures reaching around 23°C (73°F), peaking at a maximum of 28°C (83°F). In contrast, November sees cooler conditions, with average temperatures dropping to 15°C (60°F) and maximums of only 20°C (68°F). Additionally, while September experiences relatively low precipitation of 42 mm over about 5 days, November is much wetter, with 131 mm of rainfall spread over 15 days, leading to higher humidity levels at 78%. For more detailed information about November weather in Bonifacio, check out Bonifacio weather in November.

September and December present distinctly different weather patterns. In September, the climate is warmer and more temperate, with average temperatures around 23°C (73°F) and maximums reaching 28°C (83°F), accompanied by relatively low precipitation of 42 mm (1.7 in) over about 5 days. In contrast, December brings cooler conditions, with average temperatures dropping to 13°C (55°F) and maximums peaking at 17°C (63°F). The month also sees increased rainfall, totaling 84 mm (3.3 in) across approximately 10 days, and higher humidity levels at 76%. For more specifics on December weather in Bonifacio, you can refer to this link: Bonifacio weather in December.

Compare Bonifacio's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bonifacio

As summer wanes, September in Bonifacio ushers in a transition to milder temperatures, making the weather distinctly pleasant compared to the hotter peak months. With a comfortable average hovering around 23°C, the days invite outdoor exploration aided by lower humidity levels. Although rainfall makes its appearance, providing about 42 mm over just a few days, the overall atmosphere remains warm and inviting. This blend of warmth and occasional showers sets September apart, presenting a unique charm for visitors. To further delve into the climate nuances of this enchanting region, check out Bonifacio Climate.