September Weather in Bordeaux, France

Last updated: February 26, 2025

Experience the charming September weather of Bordeaux, France, where the average temperature settles around 19°C (67°F), inviting both locals and visitors to enjoy outdoor activities. Despite occasional fluctuations, with maximum highs reaching 36°C (97°F) and notable lows dropping to 6°C (43°F), the month offers a diverse climate landscape. While precipitation is moderate, accumulating to 54 mm (2.1 in) over 9 days, the humidity sits at a comfortable 76%, making it a perfect time to explore the vineyards and vibrant streets of this beautiful region.

September Temperature in Bordeaux

In September, Bordeaux transitions from the sweltering summer heat to the milder embrace of autumn. The city enjoys a comfortable average temperature of 19°C (67°F), with daily highs peaking at a warm 36°C (97°F) before the days grow shorter. As evenings approach, temperatures dip to a minimum of 6°C (43°F), offering a refreshing coolness that invites cozy gatherings. This month marks a sweet spot in Bordeaux’s climate, balancing lingering warmth with a hint of the crispness to come, making it an ideal time to explore the vineyards and the vibrant streets of this enchanting city.

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

The chart illustrates September temperature patterns in Bordeaux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434851566268727167594947
Data source: Temperature data for Bordeaux 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 Bordeaux

In Bordeaux, September marks a transition towards fall with an average precipitation of 54 mm (2.1 in), spread over 9 days. This moderate rainfall is part of a trend where late summer typically experiences less precipitation compared to earlier months like May and June, which boast significantly higher totals of 117 mm (4.6 in) and 96 mm (3.8 in), respectively. As the city moves into autumn, September combines mild temperatures with refreshing showers, setting the stage for the wetter months ahead in October and December, which both see notable increases in rainfall. This seasonal shift not only enriches the region's famed vineyards but also paints Bordeaux in a lush tapestry of colors as nature prepares for the cooler months.

September Precipitation Trends in Bordeaux

The chart displays monthly precipitation patterns in Bordeaux, 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.
JanFebMarAprMayJunJulAugSepOctNovDec59657261117964749547279120
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bordeaux

As summer draws to a close, September in Bordeaux, France, experiences a slight uptick in humidity, recorded at 76%. This marks a subtle shift from the drier conditions of August, which enjoyed a low of 73%. Throughout the year, Bordeaux's humidity maintains a steady rhythm, peaking at 85% in the colder months of January and December. The month of September reflects a transitional period, as humidity begins to rise again, hinting at the cooler, wetter days of autumn ahead. Overall, the data showcases a comforting consistency in Bordeaux's climate, with humidity gently oscillating between the high levels of winter and the refreshing lows of late summer.

September Average Humidity in Bordeaux

This chart illustrates the average monthly humidity levels in Bordeaux, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%82%82%80%76%73%76%82%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bordeaux

In September, Bordeaux experiences a high UV Index of 7, indicating a shift towards milder sun exposure compared to the summer months. This month marks a slight decline from the peaks of August and July, which both recorded a very high UV Index of 9. With a burn time of 25 minutes, it's advisable to remain vigilant, especially during midday hours. As autumn approaches, the trend shows a gradual reduction in UV intensity, setting the stage for a more moderate sun exposure in the upcoming months, including October with an index of 5. Whether you're exploring the vineyards or strolling along the riverbanks, staying informed about the UV Index is crucial for a safe and enjoyable time outdoors. For more details, check out the Bordeaux UV Index.

Maximum UV Index Levels in Bordeaux for September

The chart shows the monthly maximum UV Index (UVI) for Bordeaux 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.
JanFebMarAprMayJunJulAugSepOctNovDec2367810997532
Data source: Bordeaux 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 Bordeaux

In September, Bordeaux basks in a delightful 340 hours of sunshine, marking the transition from the peak summer warmth to the gentle embrace of autumn. While it boasts fewer sunlit hours than the sun-drenched heights of July and June, September still offers a vibrant atmosphere filled with golden rays. This month showcases a soft decline from the summer highs, yet remains a treasure trove for outdoor enthusiasts and wine lovers alike, as the grape harvest season reaches its climax. With autumn on the horizon, visitors can revel in the milder temperatures and the lingering brightness, making September a perfect time for exploring the enchanting vineyards and charming streets of this historic city.

Monthly Sunshine Duration in Bordeaux: September Highlighted

The September sunshine duration represents the total number of hours Bordeaux 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.
JanFebMarAprMayJunJulAugSepOctNovDec172h233h305h351h390h410h425h399h340h291h241h202h
Data source: Bordeaux September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bordeaux During September

In Bordeaux, France, the likelihood of sunny weather shows a notable trend as the year progresses. After the darker and cooler months of winter, March experiences a significant rise to 53%, heralding the return of brightness. This sunny disposition peaks in August with an impressive 55%, offering the warmest days of the year. However, as September rolls in, the chance of sunshine dips slightly to 42%, mirroring the summer's lingering warmth while hinting at the approaching fall. This trend continues into October, where the probability of sunshine rebounds to 50%, suggesting that early autumn can still embrace sunlit days. Overall, while September's rays may not compare to the summer's peak, the region retains a commendable chance for delightful weather.

Percentage of Sunny Days in September in Bordeaux

The chart illustrates the percentage of sunny days in Bordeaux 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 Bordeaux experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%29%53%51%35%42%44%55%42%50%30%37%
Data source: Bordeaux September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bordeaux in September

As September unfolds in Bordeaux, the city basks in an average of 12 hours of daylight, marking a gentle transition from the sun-soaked days of summer. This month sees a gradual decline from the peak 15 hours experienced in June and July, reflecting the shift toward autumn. As the lush vineyards prepare for harvest, the diminishing daylight serves as a reminder of nature’s cycles. Following the vibrant summer, September's light still provides ample opportunity for outdoor explorations and leisurely strolls along the scenic riverbanks, inviting both locals and visitors to savor the lingering warmth before the days grow shorter.

Average Daylight Hours in Bordeaux for September

The chart illustrates the variation in daylight duration in Bordeaux throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 13m10h 25m11h 56m13h 30m14h 49m15h 30m15h 8m13h 58m12h 28m10h 55m9h 33m8h 51m
Data source: Bordeaux daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bordeaux

As September rolls into Bordeaux, the region experiences its gentlest breezes of the year, with an average wind speed of 2.2 m/s (5 mph). This tranquil atmosphere marks a notable decline from the busier summer months, where the winds reached speeds of 2.6 m/s (6 mph) in both July and August. The shift towards calmer winds in September not only invites leisurely strolls through the vineyards but also heralds the arrival of autumn's embrace, creating a serene backdrop for the grape harvest. As the year transitions, the winds begin to pick up again in October, hinting at the brisk chill of approaching winter. Overall, September's gentle breezes reflect the rhythm of Bordeaux's climate, making it a perfect time to savor the rich tapestry of local flavors and landscapes.

Average September Wind Speed in Bordeaux

The chart displays monthly wind speed patterns in Bordeaux, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.33.03.03.02.32.62.72.2 m/s2.62.63.3
Data source: Bordeaux September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bordeaux Compares to Other Months

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

September and January present stark contrasts in weather patterns. In September, temperatures range from a mild 6°C (43°F) at night to a sweltering 36°C (97°F) during the day, averaging around 19°C (67°F). The month experiences about 54 mm (2.1 in) of precipitation over 9 days, with humidity hovering at 76%. In contrast, January is much cooler, with temperatures dipping as low as -7°C (19°F) and peaking at 20°C (68°F), averaging just 6°C (43°F). This month sees a slightly higher rainfall of 59 mm (2.3 in) across the same number of days, paired with increased humidity at 85%. For a closer look at January weather in Bordeaux, visit Bordeaux weather in January.

September and February in Bordeaux showcase distinctly contrasting weather patterns. In September, temperatures range from a comfortable 6°C (43°F) at night to a warm 36°C (97°F) during the day, averaging around 19°C (67°F). The month sees approximately 54 mm (2.1 in) of precipitation over nine days, with humidity levels reaching 76%. In contrast, February experiences colder conditions, with minimum temperatures dipping to -6°C (22°F) and an average of 9°C (48°F). The maximum temperatures reach 26°C (79°F) during the day, accompanied by higher precipitation of 65 mm (2.6 in) over ten days and increased humidity at 83%. For more insights on February weather, you can visit Bordeaux weather in February.

When comparing the weather in September and March, notable differences emerge. September typically features a warmer temperature range with a minimum of 6°C (43°F) and an average of 19°C (67°F), while March has a chillier minimum of -5°C (23°F) and an average of 11°C (51°F). While both months experience rainfall, September receives about 54 mm (2.1 in) spread over 9 days, whereas March sees slightly more precipitation at 72 mm (2.8 in) across 13 days. Additionally, March tends to have higher humidity levels at 82%, compared to September's 76%. For more details on the weather specifics, you can explore Bordeaux weather in March.

In comparing the weather of September and April, notable differences emerge. September experiences a wider temperature range, with a minimum of 6°C and a maximum soaring up to 36°C, averaging around 19°C. In contrast, April starts with a chillier minimum of -2°C, peaking at 28°C and averaging 13°C. Both months see considerable precipitation, with September receiving 54 mm over approximately 9 days, while April has slightly higher precipitation at 61 mm across 10 days. Humidity levels are relatively high in both months, with September at 76% and April slightly higher at 82%. To learn more about the specifics of April's climate, visit Bordeaux weather in April.

September and May showcase distinct weather patterns with notable differences. In September, temperatures range from a minimum of 6°C to a maximum of 36°C, averaging around 19°C, whereas May has a slightly cooler range from 1°C to 34°C, with an average of 17°C. September sees 54 mm of precipitation over about 9 days, while May is wetter, with 117 mm of rainfall across 14 days. Additionally, humidity levels are generally higher in May at 82%, compared to September's 76%. For a more detailed look at the weather in May, you can check Bordeaux weather in May.

When comparing the weather in September and June, both months exhibit warm temperatures, but with notable differences. September sees a minimum temperature of 6°C (43°F) and an average of 19°C (67°F), reaching a maximum of 36°C (97°F). In contrast, June begins slightly warmer with a minimum of 8°C (47°F) and an average of 20°C (69°F), peaking at 38°C (102°F). Additionally, June experiences more rainfall, with precipitation totaling 96 mm (3.8 in) spread over 14 days, compared to September's 54 mm (2.1 in) over 9 days. Humidity levels are also slightly higher in June at 80%, while September sits at 76%. For more detailed information, you can check this link: Bordeaux weather in June.

When comparing the weather in September and July, we see distinct differences in temperature and precipitation patterns. September typically experiences a wider range of temperatures, with a minimum of 6°C (43°F) and a maximum reaching 36°C (97°F), averaging at 19°C (67°F). In contrast, July's temperatures are generally warmer, with a minimum of 10°C (51°F), an average of 22°C (72°F), and a peak of 41°C (106°F). Both months share the same humidity level of 76%, contributing to a similar feeling of mugginess. Additionally, while September sees 54 mm (2.1 in) of precipitation over 9 days, July is slightly drier with 47 mm (1.9 in) over 7 days. For more detailed insights on July conditions, you can check Bordeaux weather in July.

In comparing the weather of September and August, September tends to be slightly cooler, with minimum temperatures dropping to 6°C (43°F) compared to August's 10°C (50°F). The average temperature in September is 19°C (67°F), which is lower than August's average of 22°C (72°F). However, September can still experience high temperatures, reaching a maximum of 36°C (97°F), which is only a few degrees cooler than August's peak of 39°C (102°F). Precipitation in September is slightly higher at 54 mm (2.1 in) over 9 days, compared to August's 49 mm (1.9 in) over 7 days, while humidity levels remain relatively similar at 76% in September and 73% in August. For more specific details, you can check out Bordeaux weather in August.

September's weather is characterized by warmer temperatures, with a minimum of 6°C and an average of 19°C, reaching highs of 36°C. In contrast, October sees cooler conditions, with temperatures dropping to a minimum of 2°C and an average of 15°C, peaking at 31°C. Precipitation increases slightly in October to 72 mm over 10 days, compared to September's 54 mm over 9 days, while humidity also rises from 76% to 81%. For more detailed information, you can check Bordeaux weather in October.

September typically features warmer temperatures, with a minimum of 6°C (43°F) and an average high of 36°C (97°F), making it one of the milder months of the year. In contrast, November brings a notable drop in temperature, ranging from a minimum of -3°C (28°F) to a comfortable maximum of 23°C (73°F), creating a cooler atmosphere. While September experiences around 54 mm (2.1 in) of precipitation over 9 days, November sees increased rainfall, accumulating 79 mm (3.1 in) across 11 days, accompanied by higher humidity levels, which rise to 83%. For more insights into November's weather, check out Bordeaux weather in November.

September and December present stark contrasts in weather conditions. September boasts a warm average temperature of 19°C (67°F), with highs reaching up to 36°C (97°F), making it a pleasant month to enjoy outdoor activities. However, this month also experiences humidity levels at 76% with a total precipitation of 54 mm (2.1 in) over about 9 days. In contrast, December sees a significant drop in temperatures, averaging just 8°C (47°F), with minimums reaching -5°C (23°F) and maximums capping at 18°C (64°F). The winter month is characterized by higher precipitation at 120 mm (4.7 in) spread over 15 days, along with increased humidity at 85%. For more details on the December weather in Bordeaux, you can visit Bordeaux weather in December.

Compare Bordeaux's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bordeaux

As September unfolds in Bordeaux, the weather presents a delightful transition from the summer heat to the cooler embrace of autumn. While the month can peak at warm temperatures, averaging a comfortable 19°C, it also showcases cooler nights, revealing a significant dip compared to the summer highs. The humidity hovers around a moderate 76%, making the air feel pleasantly crisp, though occasional rain is not uncommon with around nine rainy days throughout the month. This blend of warmth and moisture creates a unique climate that sets September apart from other months, offering a perfect backdrop for wine harvests and outdoor activities. For a comprehensive understanding of this vibrant climate transition, visit Bordeaux Climate.