September Weather in Honfleur, France

Last updated: February 26, 2025

In September, Honfleur, France, experiences a delightful transition into autumn, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (82°F). The average temperature hovers around 16°C (61°F), providing a comfortable climate for both locals and visitors. However, expect a bit of rain, as the region sees approximately 78 mm (3.1 in) of precipitation over about 13 days. With humidity levels at 76%, the air carries a refreshing crispness, making September a picturesque time to explore the enchanting streets and vibrant culture of this charming coastal town.

September Temperature in Honfleur

As September rolls into Honfleur, the summer warmth lingers just a bit longer. With minimum temperatures of 7°C (45°F), this charming French town begins to cool from the peak summer heat, while the average temperature reaches a comfortable 16°C (61°F). Daytime highs can still be quite pleasant, often hitting 27°C (82°F), making it an ideal time for leisurely strolls along the picturesque harbor or enjoying a café terrace. This transitional month hints at the approach of autumn, but the mild climate invites visitors to relish the fading summer days against a backdrop of vibrant fall hues. As the month progresses, the soft sunlight and pleasant temperatures create a perfect atmosphere for exploring Honfleur's rich history and artistic spirit.

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

The chart illustrates September temperature patterns in Honfleur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434447505562656561564846
Data source: Temperature data for Honfleur generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Honfleur

In September, Honfleur experiences a total precipitation of 78 mm (3.1 in), similar to the previous month. Rainfall is spread over 13 days, indicating a pleasant yet slightly damp transition into autumn. This month marks a noticeable shift from the drier summer months, although the precipitation amount is notably lower than the upcoming October average of 110 mm (4.3 in). As the seasons change, residents and visitors can expect September's mild rain showers to nurture the lush greenery that characterizes this picturesque coastal town while hinting at the more robust rainfall that the months ahead will bring.

September Precipitation Trends in Honfleur

The chart displays monthly precipitation patterns in Honfleur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec848386378576527878110113160
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Honfleur

In September, Honfleur, France, experiences a noticeable shift in humidity levels, which drop to 76% after the summer months. This transition marks a significant decrease from the peak humidity of 68% in August, indicating a breath of fresh air as the region prepares for autumn. While still moderate, September's humidity is notably higher than the more comfortable summer days, hinting at the approaching chill of fall. As the month progresses, humidity levels will inevitably climb again, peaking in the winter months, where they soar to over 90% by December. This cyclical pattern underscores Honfleur's coastal climate, showcasing how each season brings its own unique atmosphere.

September Average Humidity in Honfleur

This chart illustrates the average monthly humidity levels in Honfleur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Honfleur

In September, Honfleur experiences a UV Index of 6, categorized as high, which means sun protection is essential during outdoor activities, with a burn time of just 25 minutes. This decline from the peak summer months highlights a noticeable trend, as the UV Index has steadily decreased from the very high levels seen in June, July, and August. As the days start to shorten and temperatures cool, it's crucial for visitors and residents alike to remain mindful of sun exposure. For more insights on UV levels throughout the year, explore the detailed info at Honfleur UV Index.

Maximum UV Index Levels in Honfleur for September

The chart shows the monthly maximum UV Index (UVI) for Honfleur 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.
JanFebMarAprMayJunJulAugSepOctNovDec234679886421
Data source: Honfleur 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 Honfleur

September in Honfleur, France, offers a delightful blend of weather and light, boasting 328 hours of sunshine. As summer bids farewell, the sun continues to shine brightly, though it slightly recedes compared to the sun-drenched days of July and June, which peak at 429 and 419 hours, respectively. The gradual transition into autumn is evident, as September's sunlight is more abundant than the preceding months of October and November, which dip to 271 and 212 hours, respectively. This month marks a perfect opportunity to embrace the lingering warmth and vibrant hues of the season, setting the stage for charming strolls along the picturesque harbor as the town prepares for the cooler months ahead.

Monthly Sunshine Duration in Honfleur: September Highlighted

The September sunshine duration represents the total number of hours Honfleur 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.
JanFebMarAprMayJunJulAugSepOctNovDec129h198h286h360h410h419h429h389h328h271h212h170h
Data source: Honfleur September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Honfleur During September

In September, Honfleur, France experiences a notable chance of sunny weather, with a likelihood of 38%. This figure reflects a slight dip compared to the sunnier spring months, where April boasts a peak at 59%. While summer typically offers more sun, with July and August hovering around the 40% mark, September continues to provide a generous opportunity for pleasant days. As autumn sets in, the weather transitions, yet the lingering warmth means that visitors can still relish the charm of this coastal town under occasional sunny skies. Overall, September remains a delightful time to explore Honfleur, balancing moderate sun with the early hints of fall.

Percentage of Sunny Days in September in Honfleur

The chart illustrates the percentage of sunny days in Honfleur 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 Honfleur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%26%46%59%38%31%40%36%38%37%30%23%
Data source: Honfleur September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Honfleur in September

As summer bids farewell, September in Honfleur, France, witnesses a gentle transition in daylight, offering about 12 hours of sun. This marks a noticeable dip from the sunlit heights of 16 hours in June and 15 hours in July, as the days gradually shorten with the impending autumn. While August still boasts 14 hours of daylight, there is a clear shift in the atmosphere as September brings a blend of lingering warmth and the first hints of fall. Following September, daylight will continue to dwindle, dipping to 10 hours in October and further to 9 hours in November, inviting a cozy embrace of the season while accentuating the beauty of Honfleur's landscapes bathed in autumn hues.

Average Daylight Hours in Honfleur for September

The chart illustrates the variation in daylight duration in Honfleur throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 40m10h 7m11h 55m13h 46m15h 22m16h 11m15h 45m14h 19m12h 32m10h 42m9h 4m8h 12m
Data source: Honfleur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Honfleur

In September, Honfleur experiences a gentle breeze with an average wind speed of 4.0 m/s (9 mph), marking a noticeable dip from the summer months. This transition signals the onset of autumn, as the winds in July and August reached higher speeds, hovering around 4.1 m/s and 4.6 m/s respectively. However, the September winds are still mild compared to the bustling gusts of January and February, which showcase much stronger currents at 5.2 m/s and 5.8 m/s. As the year unfolds toward the briskness of October, we notice a subtle resurgence in wind velocity, prompting residents and visitors alike to enjoy the serene yet invigorating air of this picturesque French port town. The trend indicates a calming of the winds post-summer, inviting a more contemplative atmosphere as the leaves begin to change.

Average September Wind Speed in Honfleur

The chart displays monthly wind speed patterns in Honfleur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.85.04.55.53.24.14.64.0 m/s5.24.75.7
Data source: Honfleur September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Honfleur Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures range from a pleasant minimum of 7°C (45°F) to a maximum of 27°C (82°F), with an average of 16°C (61°F). The month experiences a fair amount of precipitation, totaling 78 mm (3.1 in) over 13 days, and a humidity level of 76% adds to the warmth. Conversely, January brings much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 15°C (58°F), averaging at 6°C (43°F). The month sees slightly higher precipitation at 84 mm (3.3 in) over 14 days, coupled with a higher humidity level of 91%. For a more detailed view of January's weather, you can check Honfleur weather in January.

September and February showcase contrasting weather patterns. In September, temperatures range from a mild 7°C (45°F) at night to a warm 27°C (82°F) during the day, with an average of 16°C (61°F). The month experiences moderate precipitation of 78 mm (3.1 in) over about 13 days, and humidity levels are relatively comfortable at 76%. In contrast, February is much cooler, with temperatures dipping as low as -4°C (25°F) and peaking at 16°C (61°F), averaging just 7°C (44°F). This month sees slightly more rainfall at 83 mm (3.3 in) across 15 days, and the humidity is higher at 89%. For more insights on February’s weather, visit Honfleur weather in February.

When comparing the weather in September and March, September generally enjoys milder temperatures, ranging from a minimum of 7°C (45°F) and averaging 16°C (61°F), with highs reaching up to 27°C (82°F). In contrast, March tends to be colder, with minimum temperatures dipping to -6°C (22°F) and an average of 8°C (47°F), peaking at 21°C (70°F). Both months experience significant precipitation, but March sees slightly more, with 86 mm (3.4 in) over 17 days compared to September's 78 mm (3.1 in) over 13 days. Additionally, March has a higher average humidity of 85% compared to September's 76%. For more specific details about the weather during March, you can visit Honfleur weather in March.

When comparing the weather in September and April, there are notable differences in temperature and precipitation patterns. September experiences milder temperatures, with a minimum of 7°C (45°F) and a maximum reaching up to 27°C (82°F), averaging around 16°C (61°F), while April sees cooler temperatures, ranging from a minimum of 1°C (34°F) to a maximum of 22°C (72°F), averaging at 10°C (51°F). Additionally, September is wetter, with a total precipitation of 78 mm (3.1 in) over 13 days, compared to April's 37 mm (1.4 in) over 8 days. Humidity levels are slightly higher in April at 84%, compared to 76% in September. For more specific information, you can check Honfleur weather in April.

In comparing the weather of September and May, we observe that September generally features warmer temperatures, with a minimum of 7°C (45°F) and an average of 16°C (61°F), while May starts off cooler with a minimum of 4°C (39°F) and an average of 13°C (55°F). Maximum daytime temperatures in September can reach up to 27°C (82°F), making it quite pleasant, whereas May's peak is slightly lower at 25°C (77°F). Despite September being warmer, it experiences slightly less precipitation at 78 mm (3.1 in) over 13 days compared to May's 85 mm (3.3 in) spread over 12 days. Both months have high humidity levels, with September at 76% and May slightly higher at 82%. For a more detailed view on the weather dynamics, check out Honfleur weather in May.

September and June offer distinct weather experiences. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 27°C (82°F), with an average of 16°C (61°F). The month sees about 78 mm (3.1 in) of precipitation over 13 days and maintains a humidity level of 76%. In contrast, June experiences slightly warmer minimum temperatures at 9°C (48°F) and peaks at a higher maximum of 31°C (88°F), with an average temperature of 16°C (62°F). Precipitation in June is slightly lower at 76 mm (3.0 in) spread across 12 days, accompanied by higher humidity at 80%. For more details on June weather specifically, check out Honfleur weather in June.

When comparing the weather in September and July, several notable differences emerge. September experiences a cooler climate with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (82°F), averaging around 16°C (61°F). In contrast, July is warmer, with temperatures reaching as high as 34°C (94°F) and averaging 18°C (65°F), although it starts slightly warmer with a minimum of 11°C (53°F). Precipitation is more frequent in September, with 78 mm (3.1 in) falling over 13 days, compared to July's 52 mm (2.1 in) over 11 days. Despite the higher humidity in September at 76%, July also remains relatively humid at 73%. This makes July generally feel warmer and drier, while September brings the onset of cooler temperatures and more rain. For a detailed weather overview, check out the Honfleur weather in July.

In comparing the weather of September and August, September typically experiences cooler temperatures, with a minimum of 7°C (45°F) and an average of 16°C (61°F), compared to August's warmer minimum of 10°C (51°F) and an average of 18°C (65°F). While both months receive similar amounts of precipitation at 78 mm (3.1 in), September has slightly more rainy days at 13 compared to August's 15 days. Additionally, September is characterized by higher humidity at 76%, compared to August's 68%. For those interested in exploring August's climate in more detail, you can visit Honfleur weather in August.

September typically offers a broader temperature range compared to October, with minimums around 7°C (45°F) and maximums reaching 27°C (82°F). In contrast, October experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 24°C (75°F). Along with the drop in temperature, October is also characterized by increased precipitation, averaging 110 mm (4.3 in) over 16 days compared to September's 78 mm (3.1 in) over 13 days. Additionally, humidity levels rise in October to an average of 88%, making the air feel even cooler. For more detailed weather insights, refer to Honfleur weather in October.

In September, the weather is generally milder, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (82°F), and a comfortable humidity level of 76%. In contrast, November brings cooler conditions, with an average temperature that dips to 1°C (33°F) at night and peaks at 18°C (64°F) during the day. November also sees an increase in precipitation, totaling 113 mm (4.4 in), and it rains on about 16 days, contributing to a higher humidity level of 92%. For a closer look at November weather specifics, you can check out Honfleur weather in November.

In September, the weather tends to be milder, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (82°F) and an average of 16°C (61°F). The month experiences relatively moderate rainfall, totaling 78 mm (3.1 in) over about 13 days, and humidity levels are moderate at 76%. In contrast, December presents a much colder climate, with temperatures dropping to a minimum of -1°C (30°F) and averaging only 8°C (46°F), peaking at 14°C (58°F). Precipitation significantly increases to 160 mm (6.3 in), falling over approximately 20 days, accompanied by higher humidity levels at 93%. For more specific insights, you can check Honfleur weather in December.

Compare Honfleur's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Honfleur

As September wraps up summer, Honfleur experiences a delightful transition in weather. The warmth lingers with temperatures reaching a pleasant average of 16°C, but the crispness of autumn starts to creep in, resulting in cooler nights that dip to around 7°C. While occasional rain showers occur on about half the month’s days, they bring refreshing bursts that invigorate the landscape, contrasting the drier summer months. Coupled with a humidity level of 76%, the atmosphere becomes beautifully dynamic, making September a captivating time to explore the charm of Honfleur. For a deeper insight into the region's climate variations, visit Honfleur Climate.