September Weather in Bourg-Saint-Maurice, France

Last updated: February 26, 2025

September in Bourg-Saint-Maurice, France welcomes the transition from summer to autumn, featuring a maximum temperature of 20°C (68°F) and an average of 8°C (46°F). As the month unfolds, temperatures can dip to a brisk minimum of -12°C (11°F), setting a cool tone for the season. Rainfall is a notable aspect this month, with precipitation totaling 70 mm (2.8 in) over approximately 13 days, contributing to the region's lush landscapes. Humidity levels hover around 73%, adding to the crisp air that characterizes this picturesque alpine destination. Visitors to Bourg-Saint-Maurice during September should prepare for a blend of vibrant autumn scenery and varied weather conditions.

September Temperature in Bourg-Saint-Maurice

In September, Bourg-Saint-Maurice transitions into the embrace of autumn, showcasing a considerable shift in temperatures compared to the summer's warmth. The average temperature hovers around 8°C (46°F), with morning chills dipping to a brisk -12°C (11°F) and daytime highs reaching up to 20°C (68°F). This month marks a gentle decline from the warm summer months, yet it still retains a pleasant ambiance, perfect for outdoor activities and enjoying the stunning alpine scenery. As the first signs of fall begin to emerge, visitors can witness the breathtaking transformation of the surrounding landscapes, making September a captivating time to experience this charming French town.

September Weather in Bourg-Saint-Maurice: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bourg-Saint-Maurice, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec152225323949545346382619
Data source: Temperature data for Bourg-Saint-Maurice 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 Bourg-Saint-Maurice

In September, Bourg-Saint-Maurice experiences a shift towards drier conditions as summer transitions into autumn. With only 70 mm (2.8 in) of precipitation over 13 days, this month marks a notable decrease compared to the lush rainfall of May and June, which often see over 160 mm. As the skies begin to clear, the milder but crisp air heralds the onset of fall, creating an inviting atmosphere for outdoor activities. This trend of reduced precipitation continues into October, indicating a gradual drying pattern that characterizes the transition into the cooler months.

September Precipitation Trends in Bourg-Saint-Maurice

The chart displays monthly precipitation patterns in Bourg-Saint-Maurice, 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.
JanFebMarAprMayJunJulAugSepOctNovDec14510413978161108879370110117230
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bourg-Saint-Maurice

In Bourg-Saint-Maurice, France, September marks a subtle transition in humidity levels, settling at 73% after the summer months. This mild figure follows August's 63%, indicating a gradual increase as autumn approaches. The trend throughout the year reveals a distinct seasonal pattern; humidity begins high in winter, peaking at 91% in January, then steadily declines through the summer before starting to rise again into autumn. While September's levels are higher than summer's, they remain significantly lower than the winter months ahead, creating a refreshing yet crisp atmosphere beloved by locals and visitors alike. As the leaves begin to change, the comfortable humidity levels invite outdoor exploration amidst the stunning alpine backdrop.

September Average Humidity in Bourg-Saint-Maurice

This chart illustrates the average monthly humidity levels in Bourg-Saint-Maurice, 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%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bourg-Saint-Maurice

In September, Bourg-Saint-Maurice experiences a UV Index of 8, indicating a very high exposure risk. This level of UV radiation reflects a gradual decline from the peak summer months, where indices reach up to 11 in June. Despite the decrease, the burn time remains critical, with only 15 minutes before unprotected skin may sustain damage. As the alpine sun bathes the region, visitors should remain vigilant and prioritize sun safety, ensuring they are well-protected. To understand the UV trends more comprehensively or to gain insights for your visit, check out the detailed information available at Bourg-Saint-Maurice UV Index.

Maximum UV Index Levels in Bourg-Saint-Maurice for September

The chart shows the monthly maximum UV Index (UVI) for Bourg-Saint-Maurice 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.
JanFebMarAprMayJunJulAugSepOctNovDec358910111098632
Data source: Bourg-Saint-Maurice 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 Bourg-Saint-Maurice

Amidst the stunning landscapes of Bourg-Saint-Maurice, September shines as a transition month, revealing a unique interplay of daylight. With 329 hours of sunshine, it marks a gradual retreat from the long, sunlit days of summer—which enjoys a peak in July with 423 hours. The sunlight begins to soften, signaling the approach of autumn while still retaining a generous glow. This gradual decrease is reflected in the overall trend, where each month, from the bright heights of June and July to the cooler shades of November and December, showcases the rhythm of the seasons. September, though slightly less radiant than summer's grandeur, still offers an inviting warmth that enchants both locals and visitors alike.

Monthly Sunshine Duration in Bourg-Saint-Maurice: September Highlighted

The September sunshine duration represents the total number of hours Bourg-Saint-Maurice 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h238h308h341h363h395h423h393h329h289h218h206h
Data source: Bourg-Saint-Maurice September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bourg-Saint-Maurice During September

September in Bourg-Saint-Maurice brings a moderate chance of sunshine, with the likelihood sitting at 28%. As summer fades, the sun's presence begins to wane compared to the higher peaks of August at 43%. This month transitions into autumn, reflecting a gradual decline that doesn't quite reach the lows of the winter months, with January's dismal 21% chance of sun. Interestingly, October leaps back up to 44%, suggesting that the early fall might hold a mix of weather opportunities before the chill sets in. Overall, while September may not offer the sunniest days, it still holds a promising interlude between the vibrant summer and the crisp autumn, inviting visitors to enjoy the enchanting landscape of the French Alps.

Percentage of Sunny Days in September in Bourg-Saint-Maurice

The chart illustrates the percentage of sunny days in Bourg-Saint-Maurice 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 Bourg-Saint-Maurice experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%38%45%41%27%27%34%43%28%44%30%40%
Data source: Bourg-Saint-Maurice September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bourg-Saint-Maurice in September

In Bourg-Saint-Maurice, France, the rhythm of daylight unfolds beautifully throughout the year. As summer peaks in June and July, residents and visitors bask in an impressive 15 hours of sunlight, making these months ideal for outdoor activities. However, by September, daylight begins to gracefully decline, offering 12 hours as the days shorten and autumn approaches. This trend of diminishing light continues into October and November, where daylight dips to 10 hours and then 9 hours respectively. Overall, September serves as a charming transitional month, where the lingering warmth of summer begins to soften under the gentle embrace of early autumn, inviting a change in pace and scenery.

Average Daylight Hours in Bourg-Saint-Maurice for September

The chart illustrates the variation in daylight duration in Bourg-Saint-Maurice throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 7m10h 22m11h 56m13h 33m14h 55m15h 37m15h 15m14h 1m12h 29m10h 53m9h 28m8h 44m
Data source: Bourg-Saint-Maurice daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bourg-Saint-Maurice

As September arrives in Bourg-Saint-Maurice, the wind begins to whisper softly, with an average speed of just 1.1 m/s (2 mph). This gentle breeze marks a shift from the slightly more lively summer conditions, where winds hovered around 1.3 m/s. Interestingly, September typically shows the lowest wind speeds of the year, preceding the slightly more brisk October. This gradual decline hints at the approaching autumn, inviting a serene atmosphere that complements the stunning mountain scenery. As the warmth of summer fades, the tranquil winds of September create a perfect backdrop for peaceful moments amidst the breathtaking landscapes of the French Alps.

Average September Wind Speed in Bourg-Saint-Maurice

The chart displays monthly wind speed patterns in Bourg-Saint-Maurice, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.51.21.21.31.21.31.31.1 m/s1.41.41.2
Data source: Bourg-Saint-Maurice September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bourg-Saint-Maurice Compares to Other Months

The weather in Bourg-Saint-Maurice 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 Bourg-Saint-Maurice and find detailed weather information for every month.

In September, the weather in Bourg-Saint-Maurice is relatively mild, with average temperatures around 8°C (46°F) and a maximum of 20°C (68°F). The month experiences moderate humidity at 73%, with some precipitation totaling 70 mm (2.8 in) spread over 13 days. In contrast, January brings much colder conditions, with average temperatures plummeting to -10°C (15°F) and maximums only reaching 6°C (43°F). This month is characterized by higher humidity at 91% and significantly more precipitation, totaling 145 mm (5.7 in) over 10 days. For a detailed look at January weather specifics, visit Bourg-Saint-Maurice weather in January.

September and February present notably contrasting weather conditions. In September, temperatures can range from a chilly -12°C (11°F) to a comfortable 20°C (68°F), with an average of 8°C (46°F) and a moderate precipitation level of 70 mm (2.8 in) over about 13 days. Humidity levels hover around 73%, providing a crisp but often pleasant atmosphere as the season transitions into autumn.

In stark contrast, February is much colder, characterized by minimum temperatures dropping to -23°C (-10°F) and a maximum of only 7°C (45°F), resulting in an average temperature of -6°C (22°F). Precipitation increases to 104 mm (4.1 in) spread over 12 days, and humidity rises to 87%, creating a damp and frigid environment. For a detailed overview of February weather, you can check Bourg-Saint-Maurice weather in February.

September and March present contrasting weather conditions in Bourg-Saint-Maurice. In September, temperatures range from a chilly minimum of -12°C (11°F) to a comfortable maximum of 20°C (68°F), with an average of 8°C (46°F). The month sees around 70 mm (2.8 in) of precipitation over 13 days, with humidity levels at 73%. In stark contrast, March experiences harsher winter conditions with temperatures dropping to a minimum of -25°C (-13°F) and reaching a maximum of just 10°C (50°F), averaging -4°C (25°F). This month is wetter, with 139 mm (5.5 in) of precipitation spread over 15 days and higher humidity at 84%. For more detailed information on the weather in March, visit Bourg-Saint-Maurice weather in March.

When comparing the weather in September and April, we see notable differences in temperature and humidity. September boasts a milder temperature range, with minimums around -12°C (11°F) and maximums reaching up to 20°C (68°F), resulting in a comfortable average of 8°C (46°F). In contrast, April tends to be colder, with minimum temperatures plummeting to -17°C (1°F) and maximums only reaching 12°C (54°F), giving an average temperature of 0°C (32°F).

While September has a total precipitation of 70 mm (2.8 in) over about 13 days, April sees slightly higher rainfall at 78 mm (3.1 in) across 11 days. Additionally, April experiences higher humidity levels at 83%, compared to September's 73%. For a detailed look at the specific weather conditions in April, you can visit Bourg-Saint-Maurice weather in April.

When comparing the weather in September and May, notable differences emerge. September enjoys slightly warmer temperatures, with an average of 8°C (46°F) and a maximum of 20°C (68°F), while May is cooler, averaging 4°C (39°F) and peaking at 19°C (67°F). However, May experiences significantly higher precipitation levels of 161 mm (6.3 in) over 20 days, compared to September's 70 mm (2.8 in) across 13 days. Additionally, humidity levels are moderately higher in May at 78%, versus 73% in September. For a detailed look at weather patterns, you can visit Bourg-Saint-Maurice weather in May.

In comparing the weather between September and June, we observe notable differences in both temperature and precipitation. September experiences a broader temperature range, with a minimum of -12°C (11°F) and a maximum of 20°C (68°F), resulting in an average of 8°C (46°F). In contrast, June offers milder temperatures, with a minimum of -4°C (25°F) and a maximum of 24°C (76°F), leading to a higher average of 9°C (49°F).

Precipitation is more pronounced in June, totaling 108 mm (4.3 in) over 17 days compared to September's 70 mm (2.8 in) across 13 days. Additionally, humidity levels are fairly consistent, with June at 75% and September at 73%. For more detailed insights into June's weather patterns, you can check Bourg-Saint-Maurice weather in June.

When comparing the weather in September and July, July typically enjoys warmer temperatures, with an average of 12°C (54°F) compared to September’s cooler average of 8°C (46°F). Peak temperatures in July reach a maximum of 25°C (78°F), while September’s maximum is notably lower at 20°C (68°F). Both months experience a similar amount of precipitation, with July recording 87 mm (3.4 in) over 14 days, slightly more than September’s 70 mm (2.8 in) over 13 days. Humidity levels remain fairly consistent, with September at 73% and July at 72%. For more detailed information, you can visit Bourg-Saint-Maurice weather in July.

In comparing the weather between August and September, we observe that September experiences cooler temperatures, with minimums dipping to -12°C (11°F) and an average of 8°C (46°F), whereas August sees milder conditions, with minimums at 0°C (32°F) and an average of 12°C (53°F). Maximum temperatures in September reach 20°C (68°F), which is notably lower than August’s peak of 24°C (75°F). Additionally, September is characterized by increased precipitation, totaling 70 mm (2.8 in) over 13 days compared to August’s 93 mm (3.7 in) over the same number of days, while the humidity is slightly higher in September at 73%, against August's 63%. For a more detailed look at August weather conditions, visit Bourg-Saint-Maurice weather in August.

September and October showcase notable shifts in weather conditions. In September, temperatures range from a minimum of -12°C (11°F) to a maximum of 20°C (68°F), with an average of 8°C (46°F) and 70 mm (2.8 in) of precipitation spread over 13 days. The humidity level is relatively mild at 73%. In contrast, October experiences cooler temperatures, with a minimum of -9°C (17°F) and a maximum of 15°C (60°F), averaging around 3°C (38°F). Precipitation increases to 110 mm (4.3 in) over 12 days, and humidity rises significantly to 89%. For more details, you can explore Bourg-Saint-Maurice weather in October.

In September, the weather in Bourg-Saint-Maurice is relatively mild, with temperatures ranging from a minimum of -12°C (11°F) to a maximum of 20°C (68°F). The average temperature is around 8°C (46°F), and the month sees 70 mm (2.8 in) of precipitation over 13 days, with humidity levels at 73%. By contrast, November experiences much colder conditions, featuring a minimum temperature of -22°C (-8°F) and a maximum temperature of 12°C (53°F), resulting in an average of -3°C (26°F). Precipitation increases to 117 mm (4.6 in) over 14 days, along with a higher humidity level of 90%. For more detailed information, you can visit Bourg-Saint-Maurice weather in November.

The weather in September is notably milder compared to December, with average temperatures ranging from a minimum of -12°C (11°F) to a maximum of 20°C (68°F), making it a much more comfortable month for outdoor activities. In contrast, December sees significantly colder temperatures, with averages dropping to a minimum of -22°C (-8°F) and a maximum of just 4°C (39°F). Additionally, precipitation levels rise sharply in December, accumulating to 230 mm (9.0 in) over 18 days, compared to September's 70 mm (2.8 in) over 13 days, and humidity levels climb to a frosty 90%. For more details on December weather specifically, you can check this link: Bourg-Saint-Maurice weather in December.

Compare Bourg-Saint-Maurice's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bourg-Saint-Maurice

As summer gradually transitions into autumn, September in Bourg-Saint-Maurice showcases a unique blend of temperate days and crisp evenings. Unlike the warmer months, the temperatures dip significantly, providing a refreshing contrast with average highs of around 20°C and chilly nights that can plunge to -12°C. With 70 mm of precipitation spread over 13 days, the landscape thrives with a tapestry of colors, while humidity levels hover around 73%, adding to the fresh alpine air. This month serves as a gentle reminder of the upcoming winter, making it an enchanting time to experience the beauty of Bourg-Saint-Maurice. For more detailed insights into the region's weather patterns, visit Bourg-Saint-Maurice Climate.