September Weather in Epernay, France

Last updated: February 26, 2025

September in Epernay, France offers a delightful contrast of warm days and cooler nights, with maximum temperatures soaring up to 34°C (94°F) and an average of 17°C (62°F). While visitors can enjoy the sun, be prepared for the occasional rain shower, as the month experiences 60 mm (2.3 in) of precipitation over about 8 days. With humidity levels around 81%, the air carries a refreshing crispness, making it a perfect time to explore the picturesque vineyards and scenic landscapes that define this charming region.

September Temperature in Epernay

In September, Epernay experiences a delightful transition into autumn, with temperatures gradually cooling down yet still embracing the warmth of late summer. The month showcases a minimum of around 5°C (41°F), rising to an average of 17°C (62°F), peaking at a maximum of 34°C (94°F). This range highlights the lingering warmth, particularly in the early days of the month, while also hinting at the crispness that comes with fall. Compared to the preceding August, where temperatures often soar, September offers a more temperate climate, ideal for vineyard tours and enjoying the stunning landscapes. As days grow shorter, the pleasant weather makes it an enchanting time to explore the enchanting streets of this charming French town.

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

The chart illustrates September temperature patterns in Epernay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec384245515866696862544542
Data source: Temperature data for Epernay 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 Epernay

In September, Epernay experiences a gentle transition towards autumn, marked by an average precipitation of 60 mm (2.3 in) over about 8 days. This amount reflects a slight increase compared to the dry summers of July and August, signaling the return of more consistent rainfall. While September maintains a moderate level of precipitation, it is notably less than the significantly wetter months ahead, such as October, which sees an uptick to 84 mm (3.3 in). Overall, the rainfall in September serves as a subtle reminder of the impending seasonal shifts, while still preserving the charm of early autumn in the region.

September Precipitation Trends in Epernay

The chart displays monthly precipitation patterns in Epernay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7172703669666259608467110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Epernay

In Epernay, France, September sees a moderate humidity level of 81%, reflecting a transition from the warmer summer months. Following a steady decline from 91% in January to a low of 76% in August, this uptick in humidity suggests a shift as autumn approaches. Interestingly, the late summer drop in humidity prepares the region for the return of moisture-laden air with the onset of autumn, evidenced by the increase to 88% by October. As the year unfolds, humidity levels tend to rise again, peaking in the winter months, which can be attributed to cooler temperatures and increased precipitation.

September Average Humidity in Epernay

This chart illustrates the average monthly humidity levels in Epernay, 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%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Epernay

In September, Epernay experiences a notable shift in UV exposure, with the UV Index dropping to 6, categorizing it as high. This represents a decline from the peak summer months, yet still necessitates caution as the burn time is around 25 minutes. As the summer sun begins to wane, the changing UV landscape underscores the importance of sun protection even in early fall. Compared to the very high levels recorded in June through August, September offers a slight respite, but outdoor enthusiasts should remain vigilant about UV rays. For detailed insights on UV trends throughout the year, visit Epernay UV Index.

Maximum UV Index Levels in Epernay for September

The chart shows the monthly maximum UV Index (UVI) for Epernay 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.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Epernay 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 Epernay

As summer transitions into autumn, September in Epernay, France, embraces a delightful 323 hours of sunshine, providing a warm farewell to the sunny season. This month reflects a gentle decline from the vibrant summer peaks of June and July, which basked in over 400 hours of golden rays. While September's light is rich, it's notably less than the height of summer, hinting at nature's shift. As the days grow shorter and cooler, the subtle charm of early autumn begins to weave its way through the vineyards and countryside, inviting both locals and visitors to savor the picturesque landscapes bathed in soft sunlight before the brisk October days arrive.

Monthly Sunshine Duration in Epernay: September Highlighted

The September sunshine duration represents the total number of hours Epernay 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.
JanFebMarAprMayJunJulAugSepOctNovDec113h196h259h349h389h407h409h387h323h259h195h139h
Data source: Epernay September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Epernay During September

As summer fades, September in Epernay, France, offers a promising 41% chance of sunny weather, making it a delightful time for outdoor activities and enjoying the scenic vineyards. This likelihood represents a notable increase from the preceding months, with sunny prospects rising significantly from a low of 30% in February to 36% in May, and peaking at 59% in April. Unlike the summer months, which see a consistent but lower chance of sun, September strikes a balance, ushering in the beauty of autumn with a reliable yet gentle warmth. As temperatures begin to cool, this month typically celebrates a moderate transition, providing just the right amount of sunshine to savor the stunning surroundings of Epernay before colder weather sets in.

Percentage of Sunny Days in September in Epernay

The chart illustrates the percentage of sunny days in Epernay 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 Epernay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%30%47%59%36%35%36%34%41%40%22%25%
Data source: Epernay September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Epernay in September

As summer fades, September in Epernay, France, marks a gentle transition in daylight, offering about 12 hours of sunlight each day. This is a notable decrease from the peak of 16 hours experienced in June, reflecting the natural rhythm of the seasons. While the warmth of summer lingers in the air, the days gradually shorten, leading into the cozy hues of autumn. By the end of the month, the daylight begins to resemble the more subdued hours of early spring, setting the stage for the colder months ahead. The ebb and flow of daylight throughout the year beautifully encapsulate Epernay's dynamic climate, inviting residents and visitors alike to relish the changing tapestry of the seasons.

Average Daylight Hours in Epernay for September

The chart illustrates the variation in daylight duration in Epernay throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 43m10h 9m11h 55m13h 44m15h 18m16h 7m15h 41m14h 17m12h 32m10h 44m9h 7m8h 16m
Data source: Epernay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Epernay

As summer transitions into autumn, September in Epernay experiences a shift in winds, with average speeds dropping to 2.7 m/s (6 mph). This gentle breeze marks the calm before the cooler months, contrasting with the more robust winds of spring and early summer, which reach up to 4.3 m/s (10 mph) in May. The overall trend shows a gradual decline in wind speed as the year progresses, suggesting that September serves as a tranquil bridge between the vibrant breezes of summer and the brisker air that will soon characterize October. While the winds may be lighter, they carry a whisper of the harvest season, inviting residents and visitors alike to savor the serene charm of this picturesque Champagne town.

Average September Wind Speed in Epernay

The chart displays monthly wind speed patterns in Epernay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.84.03.73.44.32.73.43.32.7 m/s3.73.03.8
Data source: Epernay September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Epernay Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures range from a mild minimum of 5°C (41°F) to a warm maximum of 34°C (94°F), averaging around 17°C (62°F). The month experiences a relatively low precipitation of 60 mm (2.3 in) over about 8 days, while humidity levels are a comfortable 81%. In contrast, January brings much colder temperatures, with lows plummeting to -8°C (19°F) and peaks reaching only 14°C (58°F), resulting in an average of 4°C (39°F). Additionally, January sees higher precipitation at 71 mm (2.8 in) over 12 days and increased humidity at 91%. This drastic shift highlights the seasonal transition from the warmth of late summer to the chill of mid-winter, making September significantly more temperate than January. For more details about the weather in January, you can visit Epernay weather in January.

September and February showcase contrasting weather patterns. In September, temperatures can range significantly, with a minimum of 5°C (41°F), an average of 17°C (62°F), and a maximum reaching up to 34°C (94°F). This month experiences around 60 mm (2.3 in) of precipitation over about 8 days, combined with a humidity level of 81%. In contrast, February is much cooler, with temperatures dipping as low as -8°C (18°F) and averaging only 6°C (42°F), peaking at 20°C (68°F). Precipitation increases slightly to 72 mm (2.8 in) occurring over 11 days, and humidity is higher at 89%. For a closer look at February weather specifics, check out Epernay weather in February.

September and March showcase distinct weather patterns, reflecting the transition between seasons. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 34°C (94°F), with an average of 17°C (62°F), and the month typically has 60 mm (2.3 in) of precipitation spread across 8 days, accompanied by high humidity at 81%. In contrast, March features cooler temperatures, with a minimum of -10°C (14°F) and a maximum of 24°C (75°F), leading to an average of 7°C (46°F). This month also experiences slightly more precipitation at 70 mm (2.7 in) over 13 days, with humidity rising to 86%. To dive deeper into the weather specifics for March, you can check out Epernay weather in March.

September and April showcase distinct weather patterns that reflect their transitional nature. In September, temperatures range from a mild 5°C (41°F) at night to a warm 34°C (94°F) during the day, with an average of 17°C (62°F). The month sees around 60 mm (2.3 in) of precipitation over approximately 8 days, with humidity levels at 81%. In contrast, April tends to be cooler, with temperatures dipping as low as -3°C (27°F) and peaking at 28°C (82°F), averaging around 11°C (52°F). It experiences less precipitation, totaling 36 mm (1.4 in) over the same number of rainy days, and slightly higher humidity at 84%. For a closer look at April’s weather specifics, visit Epernay weather in April.

When comparing the weather in September and May, September generally offers warmer temperatures, with an average of 17°C (62°F) compared to May's average of 14°C (58°F). However, Mays can still be pleasantly warm, reaching a maximum of 32°C (89°F), just slightly below September's peak of 34°C (94°F). Both months experience a notable amount of precipitation, with May receiving slightly more at 69 mm (2.7 in) over 12 days, compared to September's 60 mm (2.3 in) over 8 days. Humidity levels remain high in both months, with September at 81% and May slightly higher at 82%. For more insights, you can check out Epernay weather in May.

In comparing the weather of September and June, we see some interesting similarities and differences. September boasts a wider temperature range, with minimums dipping to 5°C (41°F) and maximums reaching up to 34°C (94°F), while June starts off slightly warmer, with minimums at 7°C (44°F) and maximums peaking at 35°C (95°F). The average temperatures are comparable, with September averaging 17°C (62°F) and June at 19°C (66°F). Precipitation levels are also fairly close, with September receiving 60 mm (2.3 in) over 8 days and June slightly higher at 66 mm (2.6 in) over 10 days. Humidity is quite similar as well, lingering around 81% in September and 82% in June. For a detailed view of what to expect, you can check Epernay weather in June.

In comparison to July, September showcases a broader range of temperatures, with minimums dropping to 5°C (41°F) compared to July's higher minimum of 9°C (48°F). The average temperature in September is slightly lower at 17°C (62°F), whereas July enjoys a warmer average of 20°C (69°F). Both months experience similar levels of precipitation, with September receiving 60 mm (2.3 in) and July slightly more at 62 mm (2.4 in), but both have rain on 8 days. Additionally, humidity levels remain consistent, with September at 81% and July at 80%. For a more detailed look at July weather, you can check Epernay weather in July.

In comparing the weather between August and September, it is evident that September experiences slightly cooler temperatures, with a minimum of 5°C (41°F) compared to August's 7°C (45°F). The average temperature in September is also lower at 17°C (62°F), while August boasts a warmer average of 20°C (69°F). Maximum temperatures in September reach 34°C (94°F), which is notably less than August's peak of 38°C (100°F). Precipitation levels are similar, with September receiving 60 mm (2.3 in) over 8 days, slightly less than August's 59 mm (2.3 in) over 10 days. Humidity is higher in September at 81%, compared to 76% in August, suggesting a more humid feel as summer transitions into autumn. For more detailed information, check out the Epernay weather in August.

September typically showcases a wider temperature range, with minimums around 5°C and maximums reaching up to 34°C. The average temperature sits comfortably at 17°C while experiencing moderate humidity levels at 81%. In contrast, October presents a cooler profile, with minimum temperatures dropping to 1°C and average highs only peaking at 26°C, resulting in an overall cooler average of 12°C. Additionally, October sees an increase in precipitation to 84 mm over 13 days, coupled with higher humidity at 88%. For more detailed insights, check out Epernay weather in October.

September and November exhibit distinct weather patterns, reflecting the transition from late summer to early winter. In September, temperatures range from a mild 5°C (41°F) at night to a warm 34°C (94°F) during the day, with an average temperature of 17°C (62°F). However, as autumn sets in November, the temperature drops significantly, featuring a minimum of -3°C (27°F), an average of 7°C (45°F), and a maximum of 20°C (69°F). Additionally, November experiences more frequent precipitation, with 67 mm (2.6 in) over 12 days, compared to September’s 60 mm (2.3 in) over just 8 days. The humidity also increases in November to 92%, making the air feel much heavier than the 81% observed in September. For a more detailed look at the weather, check out Epernay weather in November.

September and December present contrasting weather patterns, with September showcasing warmer temperatures and milder conditions. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 34°C (94°F), with an average temperature of 17°C (62°F). Precipitation is relatively modest at 60 mm (2.3 in) over approximately 8 days, while humidity sits at a comfortable 81%.

In stark contrast, December experiences much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 16°C (61°F), averaging just 5°C (42°F). This month is also notably wetter, with precipitation reaching 110 mm (4.3 in) across about 17 days, accompanied by increased humidity levels at 93%. For further details, check out Epernay weather in December.

Compare Epernay's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Epernay

As September unfolds in Epernay, the weather begins to transition, offering a blend of warmth and coolness that marks the shift from summer to autumn. This month stands out with its comfortable average temperatures, making it perfect for exploring vineyards or enjoying outdoor activities. However, you'll also notice a slight increase in humidity and occasional rain, with a few days of precipitation adding a refreshing touch to the landscape. Compared to the hotter days of summer, September's cooler evenings and inviting daytime warmth create a delightful atmosphere for visitors. To explore more about what Epernay has to offer throughout the year, check out the full details on the Epernay Climate.