September Weather in Deidesheim, Germany

Last updated: February 26, 2025

September in Deidesheim, Germany offers a delightful blend of late summer warmth and early autumn chill. With maximum temperatures reaching a striking 33°C (92°F) and average daily temperatures around 16°C (62°F), this month showcases the region's seasonal transition. However, nights can be brisk, dipping to a minimum of 4°C (40°F). Visitors can expect about 47 mm (1.8 in) of precipitation spread across 7 days, contributing to the lush landscapes typical of this picturesque area. Humidity levels hover around 85%, adding a touch of softness to the air, making September an enchanting time to explore the charming vineyards and picturesque surroundings of Deidesheim.

September Temperature in Deidesheim

In September, Deidesheim, Germany, experiences a delightful transition as summer starts to wane. The temperatures show a gentle decline from the sweltering highs of August, with the average temperature settling at a comfortable 16°C (62°F). Nighttime brings cooler air, with minimum temperatures around 4°C (40°F), while the days can still reach a pleasant maximum of 33°C (92°F). This month reflects a significant drop from July’s peak, yet remains warm enough for outdoor pursuits, making it an ideal time for wine enthusiasts to explore the region’s renowned vineyards as they prepare for the harvest. It's a period marked by moderate warmth, setting the stage for the crispness of autumn ahead.

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

The chart illustrates September temperature patterns in Deidesheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374044515868706961534339
Data source: Temperature data for Deidesheim 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 Deidesheim

In September in Deidesheim, Germany, the weather begins to transition as summer wanes, reflected in a notable decrease in precipitation. With only 47 mm (1.8 in) of rain over 7 days, September sees a dip in both total rainfall and rainy days compared to the wetter months of May and June, which boast 75 mm (2.9 in) and 78 mm (3.1 in) respectively. This trend marks a shift towards the drier conditions that characterize the autumn season, yet the rainfall still plays a vital role in nurturing the region's lush vineyards. As the month progresses, the reduction in precipitation hints at the approach of the cooler and often wetter months of October and December, setting the stage for a vibrant autumn landscape.

September Precipitation Trends in Deidesheim

The chart displays monthly precipitation patterns in Deidesheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec545661327578636047565094
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Deidesheim

In September, Deidesheim, Germany experiences a notable shift in humidity, averaging around 85%. This reflects a gradual decrease from the peak summer months, where humidity levels hover around 84% to 83% in August and July. As autumn approaches, the humidity begins to creep up again, rising to 88% in October. Overall, the trend throughout the year illustrates a cycle of high humidity in the colder months, peaking at 91% in January and December, and a slight dip during the warmer summer period. This seasonal rhythm contributes to Deidesheim's lush landscapes and rich viticulture, painting a picturesque setting as the leaves start to turn.

September Average Humidity in Deidesheim

This chart illustrates the average monthly humidity levels in Deidesheim, 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%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Deidesheim

In September, Deidesheim experiences a UV Index of 6, placing it in the high exposure category. This indicates that while outdoor activities are inviting, precautions are essential to prevent skin damage, with a burn time of just 25 minutes. As the summer wanes, the UV levels begin to dip slightly from the peak of earlier months—August recorded a UV Index of 7, and the preceding months surged to a very high 8. This trend signals a transition as fall approaches, providing an opportunity for outdoor enthusiasts to relish the mild weather while remaining vigilant about sun protection. For more detailed information, check out the Deidesheim UV Index.

Maximum UV Index Levels in Deidesheim for September

The chart shows the monthly maximum UV Index (UVI) for Deidesheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Deidesheim 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 Deidesheim

As September arrives in Deidesheim, Germany, the warm glow of 322 sunlit hours still lingers, just shy of the summer peak yet offering a delightful transition into autumn. Following the height of July, with its impressive 414 hours, this month showcases the region’s gradual mellowing of sunlight. While the days grow shorter, September maintains a generous supply of sunshine, far surpassing the bleaker winter months like January with its meager 118 hours. This warm and inviting period invites locals and travelers alike to savor the lingering warmth of summer, making it an ideal time for outdoor exploration and wine tasting in the picturesque vineyards before the brisk chill of October sets in. The trend reveals a charming balance—September's sunny days are a perfect reminder of summer’s fading brilliance, paving the way for the rich hues and cooler breezes of fall.

Monthly Sunshine Duration in Deidesheim: September Highlighted

The September sunshine duration represents the total number of hours Deidesheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec118h205h274h347h389h394h414h386h322h257h182h134h
Data source: Deidesheim September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Deidesheim During September

In Deidesheim, Germany, September boasts a 44% chance of sunny weather, making it one of the brighter months of the year. As summer fades, the likelihood of sunshine dips slightly, yet it remains favorable when compared to the preceding months. March and April show promising percentages for sunny days at 46% and 48%, respectively, but it's September that often captivates visitors with its pleasant weather. This transitional month stands out as a time when lingering warmth from summer intersects with the coolness of autumn, creating a delightful backdrop for outdoor activities and exploration. While October and November bring a noticeable decline in sunny days, September’s golden rays offer a charming blend of warmth and vibrancy against the backdrop of Deidesheim's picturesque vineyards.

Percentage of Sunny Days in September in Deidesheim

The chart illustrates the percentage of sunny days in Deidesheim 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 Deidesheim experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%36%46%48%32%34%37%30%44%31%20%16%
Data source: Deidesheim September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Deidesheim in September

As summer gracefully transitions into autumn, September in Deidesheim, Germany brings about a noticeable shift in daylight hours. With an average of 12 hours of daylight, this month marks a gentle decline from the sun-drenched days of June and July, which bask in a glorious 16 hours of light. Following the vibrant hues of August, where daylight lingers for 14 hours, September offers a softer glow, inviting residents and visitors alike to relish the changing foliage and cooler air. This gradual reduction continues into October, where daylight drops to 10 hours, foreshadowing the early sunsets of winter. Thus, September acts as a bridge, allowing us to savor the last whispers of summer while preparing for the seasonal changes ahead.

Average Daylight Hours in Deidesheim for September

The chart illustrates the variation in daylight duration in Deidesheim throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 39m10h 6m11h 55m13h 46m15h 23m16h 12m15h 46m14h 20m12h 33m10h 42m9h 4m8h 11m
Data source: Deidesheim daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Deidesheim

As summer fades, September in Deidesheim, Germany, ushers in a gentle shift in the wind. With an average speed of just 2.2 m/s (5 mph), this month marks the year's calmest winds, contrasting with the breezier spring and early summer months. It’s a time where the once lively gusts diminish, reflecting a natural transition as the region prepares for autumn. This expected decrease in wind speed is consistent with September's character, providing a serene backdrop for the town's vineyards to showcase their harvest, while inviting leisurely strolls through the crisp fall air.

Average September Wind Speed in Deidesheim

The chart displays monthly wind speed patterns in Deidesheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.03.12.83.62.32.52.72.2 m/s2.82.52.9
Data source: Deidesheim September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Deidesheim Compares to Other Months

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

September and January present a stark contrast in weather conditions. In September, temperatures range from a cool 4°C (40°F) during the night to a warm average of 16°C (62°F), peaking at a sweltering 33°C (92°F) during the day. The month experiences an average of 47 mm (1.8 in) of precipitation over about 7 days, with humidity levels at a comfortable 85%. In contrast, January is much chillier, with temperatures dipping as low as -10°C (15°F) and averaging only 3°C (37°F), while the maximum temperature reaches just 14°C (57°F). This month sees slightly higher precipitation at 54 mm (2.1 in), spread over 12 days, and a higher humidity level of 91%. For more detailed information about January weather, you can visit Deidesheim weather in January.

When comparing the weather in September and February, notable differences emerge. September generally offers milder temperatures, with a minimum of 4°C (40°F) and an average of around 16°C (62°F), peaking at 33°C (92°F). In contrast, February experiences much colder conditions, with temperatures dropping to a minimum of -10°C (15°F) and an average of 4°C (40°F), reaching a maximum of only 19°C (66°F). Additionally, February sees slightly more precipitation (56 mm) spread over 11 days, compared to September's 47 mm over 7 days, accompanied by higher humidity levels in both months, with February at 89% and September at 85%. For more details on February weather, visit Deidesheim weather in February.

In comparing the weather between September and March, it's clear that both months experience distinct temperature ranges and levels of precipitation. September boasts a milder average temperature of 16°C (62°F), with daytime highs reaching up to 33°C (92°F), making it significantly warmer overall. In contrast, March presents a cooler climate, with average temperatures around 7°C (44°F) and nighttime lows plummeting to -10°C (15°F).

Precipitation is also a factor in both months, with September receiving an average of 47 mm (1.8 in) over about 7 days, while March sees a bit more rain with 61 mm (2.4 in) spread across 13 days. The humidity levels are similar, hovering around 85% in September and slightly higher at 87% in March. For those interested in the specific conditions during March, further details can be found at Deidesheim weather in March.

In comparing the weather of September and April, we observe notable differences. September typically experiences a wider temperature range, with minimums around 4°C (40°F), averages at 16°C (62°F), and maximums peaking at 33°C (92°F). This month also sees higher humidity levels at 85% and more precipitation, totaling 47 mm (1.8 in) over 7 days. On the other hand, April starts cooler, with minimum temperatures dropping to -3°C (27°F), an average of 11°C (51°F), and maximums reaching 27°C (82°F). The month has slightly less total rainfall, at 32 mm (1.2 in) across 8 days, accompanied by a humidity level of 83%. For more insights on April's weather, check out Deidesheim weather in April.

In comparing the weather between September and May, we see some interesting contrasts. September typically experiences a broader temperature range, with minimums of 4°C (40°F) and maximums reaching up to 33°C (92°F), contributing to an average temperature of 16°C (62°F). In contrast, May offers slightly cooler evenings and afternoons, with a minimum of 1°C (34°F) and an average of 14°C (58°F), while maximum temperatures can still soar to 32°C (90°F). Precipitation is generally higher in May, totaling 75 mm (2.9 in) over 12 days, compared to September's 47 mm (1.8 in) over 7 days. Humidity levels are also notably different, with September being more humid at 85% compared to May’s 79%. For more detailed insights, you can check out Deidesheim weather in May.

In comparing the weather between September and June, one can see distinct differences in temperature and precipitation patterns. September experiences a broader temperature range, with minimums dropping to 4°C (40°F) and maximums reaching up to 33°C (92°F), while the average temperature is around 16°C (62°F). This month also sees a total precipitation of 47 mm (1.8 in) over about 7 days, accompanied by relatively high humidity at 85%. In contrast, June enjoys warmer conditions, with minimum temperatures of 8°C (46°F) and maximums soaring to 37°C (99°F), resulting in a higher average of 20°C (68°F). However, June is wetter, with 78 mm (3.1 in) of rain spread across 10 days, and slightly lower humidity at 82%. For detailed insights, you can check Deidesheim weather in June.

When comparing the weather of September and July, notable differences emerge. September experiences a slightly wider temperature range, with minimums dropping to 4°C (40°F) and maximums reaching 33°C (92°F), while July maintains a warmer profile with minimums of 9°C (49°F) and maximums of 39°C (102°F). Overall, July has a higher average temperature of 21°C (70°F) compared to September's average of 16°C (62°F). Precipitation is more frequent in July, occurring on 10 days with a total of 63 mm (2.5 in), while September sees rain on 7 days amounting to 47 mm (1.8 in). Despite July being hotter, both months showcase high humidity, with September slightly higher at 85% compared to July's 83%. For more detailed weather information in July, you can check Deidesheim weather in July.

In comparing the weather of August and September, it is clear that August typically experiences warmer temperatures, with an average of 21°C (69°F) and maximum highs reaching 36°C (96°F). In contrast, September sees a more moderate average temperature of 16°C (62°F) and a maximum of 33°C (92°F), highlighting a noticeable shift towards cooler conditions as autumn approaches.

Precipitation is also higher in August, totaling 60 mm (2.4 in) over 12 days, whereas September features 47 mm (1.8 in) of rain spread over 7 days, indicating a slight reduction in rainy days and overall precipitation. Humidity levels remain fairly consistent between the two months, at 84% in August and 85% in September, suggesting a lingering mugginess as summer gives way to fall. For more detailed insights into August's weather, refer to Deidesheim weather in August.

In September, temperatures range widely from a minimum of 4°C (40°F) to a maximum of 33°C (92°F), with an average of 16°C (62°F). The month experiences about 47 mm (1.8 inches) of precipitation over 7 days, with humidity levels at 85%. In contrast, October sees cooler weather, with temperatures ranging from a chilly 1°C (34°F) to a maximum of 26°C (79°F), averaging 12°C (53°F). Precipitation increases slightly to 56 mm (2.2 inches) across 12 days, and humidity rises to 88%. For more detailed information, check out Deidesheim weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 33°C (92°F), with an average of 16°C (62°F), allowing for warm, pleasant days. The month typically sees around 47 mm (1.8 in) of precipitation over 7 days and has a humidity level of 85%. In contrast, November experiences much colder temperatures, with a minimum of -3°C (27°F) and a maximum of 21°C (71°F), averaging 6°C (43°F). The precipitation slightly increases to 50 mm (2.0 in) over 11 days, and humidity rises to 89%. For more detailed insights, you can check Deidesheim weather in November.

September and December present a stark contrast in weather, showcasing the transition from late summer to winter. In September, temperatures range from a mild 4°C (40°F) at night to a warm average of 16°C (62°F), with highs reaching up to 33°C (92°F). The month sees moderate rainfall, with 47 mm (1.8 in) over about 7 days and humidity levels at 85%. In contrast, December brings cooler conditions, with temperatures dipping to a minimum of -6°C (22°F) and averaging around 4°C (40°F); the maximum temperature rarely exceeds 15°C (59°F). Precipitation increases significantly, totaling 94 mm (3.7 in) across 18 days, accompanied by slightly higher humidity at 91%. For more detailed insights, you can check Deidesheim weather in December.

Compare Deidesheim's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Deidesheim

September in Deidesheim ushers in a refreshing transition from the heat of summer, showcasing a remarkable range of temperatures that can reach a maximum of 33°C (92°F) yet also dip down to 4°C (40°F) at night. With an average temperature of 16°C (62°F), the month offers comfortable days ideal for exploring the beautiful vineyards. While rain makes a brief appearance on about seven days, the overall humidity remains high at 85%, often lending a crispness to the air that is quite different from the more arid summer months. For a comprehensive look at Deidesheim's weather patterns, visit Deidesheim Climate.