Last updated: February 26, 2025
In Muenster, Germany, the weather in September showcases a delightful transition from the warmth of summer to the crispness of autumn. With maximum temperatures reaching up to 32°C (89°F), residents can still enjoy warm days, while the average temperature settles at a comfortable 15°C (60°F). As the month progresses, nights can be quite chilly, dropping to a minimum of 3°C (37°F). Rain is a possibility, with precipitation totaling around 60 mm (2.4 in) over 10 days, and humidity levels remaining high at 82%. This blend of warmth and occasional rain invites both outdoor enthusiasts and those seeking cozy indoor activities to relish early fall in this vibrant city.
September in Muenster, Germany, marks a notable transition from the sweltering summer months to the cooler embrace of autumn. With a minimum temperature of 3°C (37°F) and an average hovering around 15°C (60°F), the days begin to cool while still retaining a hint of warmth, peaking at a delightful 32°C (89°F). This month showcases a perfect blend of mildness, inviting both locals and visitors to enjoy outdoor activities amid the shifting leaves. As the sun sets earlier and the air crisps, September serves as a gentle prelude to the enchanting autumn landscapes that await, offering a glimpse of the seasonal changes to come.
In September, Muenster experiences an average precipitation of 60 mm (2.4 in) over approximately 10 days, marking a gradual decline from the wetter months of August and July. This shift indicates the transition into a cooler season, with rainfall slightly below the levels seen earlier in the summer. Notably, while September's total rainfall is less intense, it still contributes to the city's overall moist climate, setting the stage for the wetter months ahead, particularly October, which typically receives 85 mm (3.3 in). With autumn in full swing, September's precipitation is a reminder of nature's rhythmic cycle, as it prepares Muenster for the upcoming seasonal changes.
In September, Muenster experiences a noticeable shift in humidity, with levels averaging 82%. This marks a slight rise from the drier summer months of June and July, both at 74%, and is a transition towards the wetter autumn season. As the year progresses, humidity levels gradually increase, peaking in the colder months of January and December at 92%. This trend reflects the city’s climatic rhythm, where the air becomes more saturated as summer fades, blending the warmth of summer with the crispness of fall. Overall, September stands out as a bridge, where the summer's hold starts to relinquish its grip, leading into the lush, humid days of autumn.
As September rolls into Muenster, Germany, the UV Index typically dips to 5, categorized as moderate. This signals a shift from the intense summer months, where July and June reached a peak UV Index of 8, indicating very high levels of sun exposure with a burn time slashed to just 15 minutes. In contrast, September allows for a more manageable 30-minute burn time, encouraging outdoor activities while still necessitating some sun protection. This trend showcases the transition from summer’s blistering rays to the gentler autumn sun, making it a perfect time to enjoy the outdoors without the heightened risks of earlier months. For more insights on sun safety, check the detailed UV Index for Muenster here.
UV Risk Categories
As summer gently transitions to autumn in Muenster, Germany, September shines with 312 hours of sunlight, maintaining a vibrant glow from the sun-soaked months of July and August. This delightful month marks a decline in daylight compared to the summer peak, yet it retains more sunlight than the brisk beginnings of fall in October, which only sees 233 hours. The trend of increasing daylight from January's 97 hours to September's lively total reflects the city's deep appreciation for sunny days, with the peak reaching 397 hours in July. As the days shorten, September invites locals to savor the last warm rays before the chill sets in, offering a picturesque setting to embrace the fall festivities ahead.
In Muenster, Germany, September offers a promising opportunity for sunnier days, with the chance of sunshine reaching 33%—a slight uptick from August's 32%. As the year progresses, there's a noticeable trend where the likelihood of sunny weather fluctuates, peaking in the spring with March at 37%. As summer fades away, September still holds onto moderate sunshine probabilities, surpassing the gloomier fall months ahead, October at 24% and November at 20%. This makes September a delightful time to enjoy the outdoors before the onset of winter's chill.
As September unfolds in Muenster, Germany, daylight begins to wane, offering approximately 12 hours of sun each day. This transitional month marks a noticeable shift from the long, sun-drenched days of summer, where June and July bask in 16 hours of light, gradually tapering off to 14 hours in August. The trend reveals a steady decline as the year progresses, moving from the vibrant brightness of spring and summer into the shorter days of autumn. With each passing week in September, residents experience an earlier dusk, hinting at the impending winter months, which will bring even less daylight, dropping to 10 hours in October and just 8 hours by November. This gradual reduction not only influences the daily rhythms of life in Muenster but also invites the community to savor the rich hues of early autumn against the backdrop of diminishing light.
As September ushers in the first hints of autumn in Muenster, Germany, the wind begins to whisper a quieter tune with an average speed of 2.7 m/s (6 mph). This decline follows the summer's gentle breezes, which peaked in May at 3.8 m/s (9 mph), reflecting a seasonal shift as the days grow shorter and cooler. The trend shows a gradual decrease in wind speed from June to September, mirroring the transition from the lively vibrancy of summer to the calm of fall. Interestingly, October often sees a resurgence in wind activity, hinting at the dynamic weather patterns that characterize the region. This ebb and flow of winds serves as a reminder of nature's rhythms, inviting locals and visitors alike to embrace the changing seasons.
The weather in Muenster 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 Muenster and find detailed weather information for every month.
September and January present starkly different weather conditions. September enjoys a mild temperature range with a minimum of 3°C (37°F) and an average of 15°C (60°F), peaking at 32°C (89°F). It typically experiences 60 mm of precipitation over about 10 days, accompanied by a humidity level of 82%. In contrast, January is much colder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 14°C (58°F) and an average of just 3°C (38°F). This month sees slightly more precipitation at 65 mm over 13 days, with humidity rising to 92%. For more information about January weather in Muenster, you can visit Muenster weather in January.
September and February present contrasting weather experiences. In September, temperatures range from a mild 3°C (37°F) at night to a warm 32°C (89°F) during the day, with an average of 15°C (60°F), making it a transitional month as summer begins to fade. However, it also sees an average precipitation of 60 mm (2.4 in) over about 10 days, accompanied by high humidity at 82%. In stark contrast, February features much colder conditions, with nighttime lows plunging to -15°C (5°F) and daytime highs reaching only 19°C (67°F). The average temperature is a chilly 4°C (40°F), and while precipitation is slightly higher at 74 mm (2.9 in) over 12 days, humidity is even greater at 90%. For a detailed look at weather patterns, check out Muenster weather in February.
When comparing the weather in September and March, notable differences emerge. September experiences a temperature range from a mild 3°C (37°F) to a warm 32°C (89°F), with an average of 15°C (60°F). In contrast, March presents a cooler climate, with minimum temperatures dropping to -9°C (16°F) and a maximum of 22°C (72°F), averaging around 6°C (44°F). While September sees approximately 60 mm (2.4 in) of precipitation over about 10 days, March experiences slightly higher precipitation at 74 mm (2.9 in) across 14 days. Humidity is also higher in March, reaching 87% compared to 82% in September. To explore more about March weather, visit Muenster weather in March.
When comparing September and April weather, several notable differences emerge. September typically offers a wider temperature range, with minimums around 3°C (37°F) and maximums reaching up to 32°C (89°F), resulting in a higher average temperature of 15°C (60°F). In contrast, April experiences cooler conditions, with minimum temperatures dipping to -3°C (26°F) and maximums around 28°C (82°F), giving an average of 10°C (50°F). Additionally, while both months see precipitation on about 10 days, September has a higher total of 60 mm (2.4 in), compared to April's 38 mm (1.5 in). Despite these differences, both months boast relatively high humidity levels, hovering around 82% in September and slightly higher at 83% in April. For more details on April weather, check Muenster weather in April.
September and May offer distinct weather characteristics, despite their proximity in the calendar year. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 32°C (89°F), with an average of 15°C (60°F). This month experiences slightly higher humidity at 82% and averages about 60 mm (2.4 in) of precipitation over approximately 10 days. In contrast, May boasts a broader temperature range, with a minimum of 0°C (33°F) and a maximum of 33°C (92°F), but a similar average of 14°C (57°F). While May has slightly less precipitation at 59 mm (2.3 in) over 13 days, it is marked by lower humidity levels at 76%. For more detailed insights into this month's weather patterns, check out Muenster weather in May.
In comparing the weather of September and June, we see notable differences in temperature and humidity. September exhibits a broader temperature range with minimums dipping to 3°C (37°F) and maximums reaching up to 32°C (89°F), while the average sits at 15°C (60°F). In contrast, June has slightly milder minimum temperatures starting at 5°C (42°F), a higher average of 19°C (66°F), and maximums peaking at 35°C (95°F). Both months experience similar precipitation levels, with September receiving 60 mm (2.4 in) over 10 days and June slightly less at 57 mm (2.3 in) over the same number of days. The humidity in September is higher at 82%, compared to June's 74%. For more details on June's climate, you can visit Muenster weather in June.
When comparing the weather in September and July, it’s clear that July tends to be warmer and more humid. July boasts an average temperature of 19°C (67°F) and can reach as high as 38°C (101°F), whereas September has a lower average temperature of 15°C (60°F), with a maximum of 32°C (89°F). Additionally, July sees slightly more precipitation, with 77 mm (3.0 in) over 11 days compared to September’s 60 mm (2.4 in) over 10 days. The humidity in September is notably higher at 82%, while July maintains a more comfortable 74%. For more detailed insights about the weather in July, you can check out Muenster weather in July.
In comparing the weather between September and August, we see notable shifts in temperature and precipitation patterns. September experiences a broader temperature range with minimums dipping to 3°C (37°F) and maximums reaching 32°C (89°F), compared to August’s warmer averages, where minimums are around 7°C (45°F) and maximums peak at 36°C (98°F). Additionally, September records an average temperature of 15°C (60°F), which is significantly cooler than August's 19°C (67°F). While August sees slightly higher precipitation at 68 mm (2.7 in) over 13 days, September averages 60 mm (2.4 in) with precipitation occurring on about 10 days. Humidity levels are also higher in September at 82%, compared to 75% in August. For more details about August weather, visit Muenster weather in August.
In comparing the weather of September and October, we see a notable transition. September boasts a wider temperature range with minimums of 3°C (37°F) and maximums reaching up to 32°C (89°F), resulting in an average of 15°C (60°F). The month experiences around 60 mm (2.4 in) of precipitation over 10 days, with humidity averaging 82%. In contrast, October experiences cooler conditions, with temperatures dipping further—minimums reach 1°C (34°F) and maximums drop to 28°C (82°F), bringing an average of 12°C (54°F). This month sees increased rainfall, totaling 85 mm (3.3 in) across 15 days, alongside a slight rise in humidity at 88%. For a detailed look at October's weather, check out Muenster weather in October.
September and November display notable differences in weather patterns. In September, temperatures range from a low of 3°C (37°F) to a high of 32°C (89°F), with an average of 15°C (60°F), while November experiences cooler temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 20°C (67°F) and averaging 7°C (45°F). Precipitation is slightly higher in September at 60 mm (2.4 in) over 10 days, compared to November's 54 mm (2.1 in) occurring over 12 days. Additionally, November boasts higher humidity levels at 90%, compared to September's 82%, contributing to a more damp and chilly atmosphere. For more detailed insights, check Muenster weather in November.
September and December present stark contrasts in weather patterns. In September, temperatures exhibit a broader range, with minimums of 3°C (37°F) and maximums reaching up to 32°C (89°F), while the average hovers around a pleasant 15°C (60°F). This month experiences about 60 mm (2.4 in) of precipitation over approximately 10 days, accompanied by relatively high humidity at 82%.
In contrast, December sees much colder conditions, with minimum temperatures plummeting to -6°C (21°F) and a much cooler average of 5°C (41°F). The maximum temperature peaks at 15°C (59°F). Precipitation increases to 88 mm (3.5 in) across 16 days, and humidity climbs slightly to 92%. For a more detailed look at December weather, check out Muenster weather in December.
As summer transitions into fall, September in Muenster offers a delightful mix of mild temperatures and a touch of whimsy with its fluctuating weather. With daytime highs reaching enticing peaks, the average temperature remains pleasant, providing a refreshing change from the heat of mid-summer. However, the month is also marked by an increase in precipitation, resulting in nearly one-third of the days experiencing rain. The air is tinged with a characteristic humidity that makes the cool evenings feel crisp and invigorating. This blend of warmth and moisture contrasts sharply with the drier, hotter months preceding it and sets the stage for the cooler days to come. For a deeper look into how these seasonal changes shape your experience, explore more about Muenster Climate.