September Weather in Pforzheim, Germany

Last updated: February 26, 2025

In September, Pforzheim experiences a delightful blend of summer warmth and the onset of autumn chill. With maximum temperatures reaching a balmy 31°C (88°F) and an average of 16°C (61°F), the month provides comfortable days for outdoor activities. However, mornings can be crisp, dipping down to a minimum of 4°C (39°F). The region sees about 52 mm (2.0 in) of rain over 9 days, contributing to the lush landscapes that define this time of year. Humidity levels hover around 85%, adding a touch of moisture to the air and refreshing the atmosphere, making September a unique transitional month in Pforzheim.

September Temperature in Pforzheim

As September unfolds in Pforzheim, Germany, the city experiences a delightful transition from summer's warmth to the crispness of fall. Average temperatures hover around a comfortable 16°C (61°F), with daytime highs peaking at 31°C (88°F), reflecting a lingering warmth from the summer months, while nighttime lows drop to a mild 4°C (39°F). This month marks a gentle shift, showcasing a blend of sunny days perfect for outdoor adventures and cooler evenings that invite cozy gatherings. With summer's peak behind and autumn on the horizon, September in Pforzheim offers a charming climate, ideal for those wishing to enjoy the beauty of the changing seasons.

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

The chart illustrates September temperature patterns in Pforzheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec364044515767686861534339
Data source: Temperature data for Pforzheim 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 Pforzheim

September in Pforzheim, Germany, brings a shift towards drier days, with total precipitation decreasing to 52 mm (2.0 in) over just 9 days. This marks a notable reduction compared to the wetter months of May and June, both averaging 87 mm (3.4 in). As summer transitions into autumn, rainfall patterns begin to stabilize, paving the way for October's expected 69 mm (2.7 in) and a gradual increase again in December, which often sees the heaviest rainfall at 110 mm (4.3 in). Overall, September strikes a balance, offering a brief reprieve from the summer deluge while hinting at the impending chill of winter.

September Precipitation Trends in Pforzheim

The chart displays monthly precipitation patterns in Pforzheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7368753987877471526952110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pforzheim

In September, Pforzheim experiences a slight increase in humidity, averaging around 85%, which marks a gradual rise from the drier summer months. This trend is consistent with the transition from summer to autumn, as humidity levels typically begin to climb after hitting a seasonal low of 79% in May. As the year progresses, humidity stabilizes and peaks towards the end of the year, returning to 88% in October and reaching 91% by December. This pattern reflects Pforzheim's humid continental climate, where the moist autumn air sets the stage for the wetter winter months ahead.

September Average Humidity in Pforzheim

This chart illustrates the average monthly humidity levels in Pforzheim, 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 Pforzheim

As September rolls into Pforzheim, residents can expect a UV Index of 6, indicating a high exposure category with a burn time of just 25 minutes. This is a slight dip compared to the very high levels seen in the summer months of June and July, where the UV Index reached a peak of 8. However, September still demands caution as the sun remains potent; thus, protective measures should be considered, especially during midday. This month marks the transition towards lower UV levels, as October is projected to see a moderate UV Index of 4. For more detailed insights, check out Pforzheim UV Index.

Maximum UV Index Levels in Pforzheim for September

The chart shows the monthly maximum UV Index (UVI) for Pforzheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Pforzheim 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 Pforzheim

As summer gently wanes, September in Pforzheim continues to bask in the glow of the sun, with an impressive 321 hours of sunshine. This month marks a transition from the peak of summer, where July shines the brightest with 413 hours, to the more subdued light of autumn, as seen in October's 264 hours. The steady decline in sunlit hours from June to November creates a rhythmic pattern that reflects the shifting seasons, while September maintains a healthy amount of sunlight, bridging the warmth of summer and the cooler embrace of upcoming fall. Nature's brilliance remains on display, encouraging residents and visitors alike to enjoy the beauty of the month before the darker days approach.

Monthly Sunshine Duration in Pforzheim: September Highlighted

The September sunshine duration represents the total number of hours Pforzheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec127h208h281h348h387h392h413h383h321h264h194h145h
Data source: Pforzheim September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pforzheim During September

As summer transitions to autumn in Pforzheim, September shines as a peak month for sunny weather, boasting a notable 49% chance of sunshine. This marks a significant increase from the preceding months of August and June, both hovering around 33-39%. Following a gradual upward trend from the cooler early months, where January offers a mere 12% chance of sun, September embraces a delightful balance of warmth and brightness. This favorable forecast provides an ideal backdrop for outdoor activities, making it an inviting time to experience the charm of the city before the autumn chill sets in.

Percentage of Sunny Days in September in Pforzheim

The chart illustrates the percentage of sunny days in Pforzheim 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 Pforzheim experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%40%44%49%32%34%39%33%49%35%26%18%
Data source: Pforzheim September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pforzheim in September

As September rolls in Pforzheim, Germany, daylight begins to wane, offering around 12 hours of sunlight—a gentle transition from the vibrant 14 hours experienced in August. This month marks the tail end of a summer filled with long, bright days, which peak at an impressive 16 hours in June and gradually decrease as autumn approaches. Following September, daylight will further diminish, dropping to 10 hours in October. As the days shorten, residents can enjoy the last moments of the warm glow before the embrace of the cooler months, reminding us of nature's rhythmic shifts.

Average Daylight Hours in Pforzheim for September

The chart illustrates the variation in daylight duration in Pforzheim throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 44m10h 9m11h 55m13h 44m15h 18m16h 6m15h 40m14h 17m12h 32m10h 44m9h 8m8h 17m
Data source: Pforzheim daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Pforzheim

In Pforzheim, Germany, the month of September brings a noticeable shift in wind patterns, with an average wind speed of 2.0 m/s (5 mph). This marks a decline from the more gusty spring months, where wind speeds peaked in May at 3.5 m/s (8 mph). Following the lively summer ambiance, September's gentle breezes suggest a transition into the quieter autumn season, echoing the overall trend of diminishing winds as the year progresses. By October, the winds pick up slightly to 2.6 m/s (6 mph), but the calm of September serves as a reminder of the cozy, tranquil days leading into fall.

Average September Wind Speed in Pforzheim

The chart displays monthly wind speed patterns in Pforzheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.42.93.02.63.52.12.32.52.0 m/s2.62.43.0
Data source: Pforzheim September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Pforzheim Compares to Other Months

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

When comparing the weather in September and January, it's clear that there is a significant shift in temperature and conditions. September typically offers much warmer temperatures, with a minimum of 4°C (39°F) and an average of 16°C (61°F), peaking at 31°C (88°F). In contrast, January experiences much colder conditions, with temperatures dropping to a minimum of -12°C (10°F) and an average of just 2°C (37°F), reaching a maximum of 14°C (57°F).

Precipitation patterns also differ slightly: September sees about 52 mm (2.0 in) of rain over nine rainy days, while January has higher precipitation at 73 mm (2.9 in) across twelve days. The humidity levels are comparable, with September at 85% and January slightly higher at 91%. Overall, these contrasts highlight the transition from the warm, humid days of late summer to the cold, wetter atmosphere of mid-winter. For more detailed information, check out Pforzheim weather in January.

September and February present stark contrasts in weather. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F), showcasing a warm late summer ambiance. The month experiences about 52 mm (2.0 in) of precipitation over 9 days, combined with a relatively high humidity of 85%.

In contrast, February is much colder, with temperatures dipping as low as -15°C (5°F) and only reaching a maximum of 20°C (68°F), resulting in an average of 4°C (40°F). This winter month sees slightly more precipitation at 68 mm (2.7 in) across 11 days, alongside an even higher humidity level of 89%. For a more detailed insight into February conditions, you can check out Pforzheim weather in February.

When comparing the weather in September and March, notable differences emerge. September enjoys milder temperatures, with a minimum of 4°C (39°F) and an average of 16°C (61°F), while March tends to be much colder, starting at a minimum of -11°C (12°F) and averaging only 7°C (44°F). September also sees a maximum temperature reaching up to 31°C (88°F), significantly warmer than March's peak of 23°C (73°F). Rainfall is also a factor, with September experiencing about 52 mm (2.0 in) of precipitation over 9 days, while March has slightly higher precipitation at 75 mm (3.0 in) across 13 days. Additionally, both months exhibit high humidity, with September at 85% and March slightly higher at 87%. For more details on March weather, visit Pforzheim weather in March.

When comparing the weather in September and April, notable differences emerge. September boasts a wider temperature range, with minimums of 4°C and maximums reaching up to 31°C, offering an average temperature of 16°C. In contrast, April features cooler conditions, with minimums dropping to -3°C and maximums peaking at 28°C, resulting in an average of 11°C. Both months experience similar precipitation levels, around 52 mm in September compared to 39 mm in April, yet both also have about 9 days of rainfall. Humidity remains relatively high in both months, with September at 85% and April slightly lower at 83%. For a deeper look at April weather specifics in Pforzheim, check out Pforzheim weather in April.

In comparing the weather between September and May, both months exhibit a range of temperatures, with maximums reaching the same peak of 31°C (88°F). However, September enjoys a warmer average temperature of 16°C (61°F) compared to May's cooler 14°C (58°F), while May experiences lower minimum temperatures, dipping to 0°C (32°F) compared to September's minimum of 4°C (39°F). Precipitation levels are also notable; May tends to be wetter with 87 mm (3.4 in) over 14 days, versus September's 52 mm (2.0 in) over 9 days. Additionally, September has higher humidity at 85%, while May's humidity sits at a lower 79%. For more detailed information, check out this link: Pforzheim weather in May.

In comparing the weather in September and June, we see distinct differences in temperature and precipitation patterns. September tends to have cooler temperatures, with a minimum of 4°C (39°F) and an average of 16°C (61°F), while June starts warmer with a minimum of 8°C (46°F) and an average of 19°C (67°F). The maximum temperature in June can reach as high as 35°C (94°F), compared to September's maximum of 31°C (88°F). Precipitation is slightly higher in June, with 87 mm (3.4 in) falling over 10 days, compared to 52 mm (2.0 in) over 9 days in September. Humidity levels are relatively similar, with June at 82% and September at 85%. For more detailed information, you can explore Pforzheim weather in June.

When comparing the weather in September to that of July, notable differences emerge. September tends to have cooler temperatures, with a minimum of 4°C (39°F) compared to July's 9°C (48°F) minimum. The average temperature in September is 16°C (61°F), which is significantly lower than July's average of 20°C (69°F). Moreover, September sees a maximum of 31°C (88°F), while July can reach a peak of 37°C (99°F), showcasing July's warmer climate. Precipitation levels are also higher in July, with 74 mm (2.9 in) of rain over 12 days, compared to September's 52 mm (2.0 in) spread over 9 days. Humidity remains relatively consistent, with September at 85% and July slightly lower at 83%. For more specific details about July's weather, you can check Pforzheim weather in July.

In comparing the weather of September and August, we see a notable shift in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 4°C and an average of 16°C, while August remains warmer, starting at a minimum of 7°C and averaging 20°C. The maximum temperatures in August reach up to 34°C, compared to a peak of 31°C in September. Additionally, September has slightly less precipitation, with 52 mm over 9 days, compared to 71 mm over 13 days in August. Humidity levels are quite similar, with September at 85% and August at 84%. For a more detailed look at August weather, you can visit Pforzheim weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F). The month experiences less precipitation, totaling 52 mm (2.0 in) over 9 days, coupled with relatively high humidity at 85%. In contrast, October sees cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 26°C (79°F), averaging 12°C (53°F). This month also experiences an increase in precipitation, reaching 69 mm (2.7 in) over 12 days, and humidity rises slightly to 88%. For more details on the specifics of October weather, you can refer to Pforzheim weather in October.

September and November present a stark contrast in weather conditions. September typically enjoys warmer temperatures, ranging from a milder 4°C (39°F) at night to a pleasant max of 31°C (88°F) during the day, culminating in an average of 16°C (61°F). In contrast, November’s temperatures drop significantly, with lows of -2°C (29°F) and an average of just 6°C (43°F), even peaking at a maximum of 22°C (72°F). While both months receive a similar amount of precipitation, November experiences a slightly higher number of rainy days at 10 compared to September’s 9, along with a rise in humidity levels from 85% to 89%. For a more detailed look at November weather, you can check this link: Pforzheim weather in November.

In September, the weather is typically more variable, with temperatures ranging from a cool 4°C (39°F) at night to a warm 31°C (88°F) during the day, resulting in an average of 16°C (61°F). Additionally, September experiences about 52 mm (2.0 in) of precipitation over 9 days, accompanied by relatively high humidity at 85%. In contrast, December brings a significant drop in temperatures, with lows reaching -5°C (24°F) and an average of only 4°C (39°F). The month is wetter, with precipitation totaling 110 mm (4.3 in) over 18 days, and humidity creeping up to 91%. For a closer look at December weather specifics, check out Pforzheim weather in December.

Compare Pforzheim's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Pforzheim

As September rolls in, Pforzheim experiences a delightful transition, blending summer’s warmth with the crispness of impending autumn. During this month, you can expect bustling temperatures that can soar to a pleasant 31°C, yet maintain a comfortable average around 16°C. While it’s common to see a few rainy days scattered throughout the month, with a total of 52 mm of precipitation, the weather remains generally inviting thanks to high humidity levels of 85%. This combination creates a unique atmosphere that sets September apart from the more extreme months, providing an ideal backdrop for outdoor activities. For deeper insights into Pforzheim’s weather patterns, don't miss our detailed page on Pforzheim Climate.