September Weather in Greifswald, Germany

Last updated: February 26, 2025

September in Greifswald, Germany, reveals a unique interplay of temperatures, showcasing a maximum of 31°C (89°F) and a refreshing average of 15°C (59°F). As summer gives way to autumn, the minimum dips to 3°C (37°F), offering a crisp contrast. This month sees 54 mm (2.1 in) of precipitation spread over 9 days, contributing to a fairly humid atmosphere with levels reaching 82%. Whether basking in mild days or enjoying the brisk evenings, September paints Greifswald with a blend of warmth and the first hints of fall’s chill.

September Temperature in Greifswald

In September, Greifswald experiences a pleasant transition from the summer heat to the crispness of autumn. With daily temperatures ranging from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), the month boasts an average of 15°C (59°F), providing a comfortable climate for outdoor activities. As the month progresses, the balmy warmth of late summer begins to wane, hinting at the cooler days ahead. This mild weather allows for vibrant fall colors to begin appearing, making September not only a time for warm days but also a wonderful visual spectacle in this charming German city.

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

The chart illustrates September temperature patterns in Greifswald, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363740465464656659524438
Data source: Temperature data for Greifswald 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 Greifswald

September in Greifswald brings a moderate precipitation total of 54 mm (2.1 in), aligning closely with the monthly averages seen throughout the summer. With 9 days of rain, this month features a slightly lower frequency of precipitation compared to the wetter months of July and August, which reported 82 mm (3.2 in) and 64 mm (2.5 in) respectively. As the city transitions into autumn, September's rainfall reflects a trend of tapering precipitation, setting the stage for the increased levels expected in the coming months, particularly October, which typically sees 69 mm (2.7 in). This gradual decline illustrates the seasonal shift, emphasizing a pattern of fluctuating rainfall that characterizes Greifswald's climate.

September Precipitation Trends in Greifswald

The chart displays monthly precipitation patterns in Greifswald, 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.
JanFebMarAprMayJunJulAugSepOctNovDec514254415155826454704849
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Greifswald

In September, Greifswald experiences a notable rise in humidity, climbing to 82%, which is a refreshing shift after the relatively drier summer months. As the warm embrace of summer recedes in August, when humidity dipped to 71%, September transitions the city back towards the moister conditions typical of the fall. This increase mirrors a general trend seen throughout the months, where humidity tends to ascend from the summer's lows up to the higher levels of winter, peaking in December at a substantial 93%. The seasonal pattern highlights Greifswald’s characteristic dynamic climate, showcasing a blend of both warmth and moisture as autumn unfolds.

September Average Humidity in Greifswald

This chart illustrates the average monthly humidity levels in Greifswald, 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%90%88%82%74%75%74%71%82%86%89%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Greifswald

As summer fades into autumn, September in Greifswald presents a UV Index of 5, indicating a moderate level of sun exposure. This marks a transition from the high UV levels seen in the peak summer months, making it crucial for residents and visitors to remain aware of sun safety practices. With a burn time of 30 minutes, it's advisable to seek shade or wear protective clothing during peak hours, especially if engaging in outdoor activities. This month wraps up the season of heightened UV intensity while paving the way for October's more moderate conditions. For a detailed look at the UV Index throughout the year, visit Greifswald UV Index.

Maximum UV Index Levels in Greifswald for September

The chart shows the monthly maximum UV Index (UVI) for Greifswald 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.
JanFebMarAprMayJunJulAugSepOctNovDec124568765311
Data source: Greifswald 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 Greifswald

In September, Greifswald basks in a delightful average of 308 sunshine hours, marking a pleasant transition as summer wanes. This month showcases a gradual decline from the sun-soaked heights of 430 hours in June and July, where longer daylight infused the city with vibrancy. The warm glow of late summer is still palpable, offering residents and visitors alike a perfect farewell to the season. As the days shorten and autumn approaches, the sunshine hours drop further into October, with only 249 hours expected. The trend highlights September as a golden month, bridging the brightness of summer and the muted tones of fall, inviting everyone to savor the last rays of warmth before winter sets in.

Monthly Sunshine Duration in Greifswald: September Highlighted

The September sunshine duration represents the total number of hours Greifswald 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.
JanFebMarAprMayJunJulAugSepOctNovDec104h195h273h364h428h434h426h398h308h249h155h109h
Data source: Greifswald September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Greifswald During September

As summer transitions into autumn, September in Greifswald, Germany, offers a moderate 28% chance of sunny weather. This likelihood reflects a gradual decline from the sunniest months of June and July, which boast a robust 46% and 31% chance of sunshine respectively. Interestingly, as the year progresses, sunlight ebbs and flows—April starts strong with a 43% chance before dipping into the lower percentages of fall and winter. While September may not promise the brightness of earlier months, it still serves as a charming bridge to the upcoming season, where cozy sweaters and warm drinks begin to replace beach outings.

Percentage of Sunny Days in September in Greifswald

The chart illustrates the percentage of sunny days in Greifswald 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 Greifswald experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%27%35%43%31%46%32%30%28%32%14%19%
Data source: Greifswald September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Greifswald in September

As September rolls into Greifswald, daylight begins to wane, offering around 12 hours of sunlight. This marks a transition from the sun-drenched days of summer, where June peaks at a vibrant 17 hours, to the approaching autumn, with October reverting to 10 hours. The gradual decrease in daylight hours is evident as the months progress; after the brilliant brightness of May and June, September's softer illumination sets the stage for the cozy, reflective mood of autumn. This month serves as a gentle reminder of nature's rhythm, bridging the lively long days of summer with the crisp, shorter days that follow.

Average Daylight Hours in Greifswald for September

The chart illustrates the variation in daylight duration in Greifswald throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h9h 45m11h 54m14h 5m16h 1m17h 2m16h 29m14h 45m12h 38m10h 28m8h 30m7h 26m
Data source: Greifswald daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Greifswald

As September arrives in Greifswald, the gentle whispers of the wind carry with them a subtle change, averaging 3.6 m/s (8 mph). This month marks a slight dip from the summer breezes of August, which saw a steadier 4.0 m/s (9 mph), hinting at the gradual transition into autumn. While the wind speeds have fluctuated throughout the year, with April reaching its peak at 4.3 m/s (10 mph), September's calmness feels inviting, offering a serene backdrop as the landscape shifts towards vibrant fall hues. The trend suggests a softening rhythm in the air, where the stronger gusts of spring and early summer give way to the cooler, tranquil breezes of the season ahead.

Average September Wind Speed in Greifswald

The chart displays monthly wind speed patterns in Greifswald, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.84.14.04.33.83.13.54.03.6 m/s4.44.24.1
Data source: Greifswald September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Greifswald Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures range from a cool minimum of 3°C (37°F) to a warm maximum of 31°C (89°F), averaging around 15°C (59°F) with 54 mm (2.1 in) of precipitation over 9 days and a humidity level of 82%. In stark contrast, January experiences much cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 14°C (57°F), resulting in an average temperature of just 2°C (37°F). The month sees slightly less precipitation at 51 mm (2.0 in), spread over 10 days, and higher humidity at 91%. For more details on January weather, check Greifswald weather in January.

September and February present contrasting weather conditions. September features a wider temperature range with minimums around 3°C (37°F) and maximums peaking at 31°C (89°F), making it generally warmer with an average of 15°C (59°F). In contrast, February is much cooler, starting as low as -14°C (7°F) and averaging only 3°C (37°F), with a maximum of 18°C (65°F). While September experiences 54 mm (2.1 in) of precipitation over 9 days, February sees a slightly lower total of 42 mm (1.7 in) across 11 days, coupled with a higher humidity of 90%. For more details, you can check Greifswald weather in February.

September and March present contrasting weather patterns. September boasts a milder average temperature of 15°C (59°F), with highs reaching up to 31°C (89°F) and relatively low humidity at 82%. In contrast, March experiences cooler conditions, with an average of 4°C (40°F) and occasional lows of -15°C (5°F), accompanied by higher humidity levels of 88%. Both months receive similar total precipitation—54 mm (2.1 in)—but September has fewer rainy days (9) compared to March’s 12 days. For detailed insights on March weather, you can refer to Greifswald weather in March.

In comparing the weather of September and April, significant differences in temperature can be observed. September typically experiences milder conditions, with minimum temperatures around 3°C (37°F) and an average of 15°C (59°F), peaking at 31°C (89°F). In contrast, April tends to be cooler, starting with a minimum of -3°C (27°F) and averaging just 8°C (47°F), though it can still reach a maximum of 27°C (80°F). Both months receive precipitation on about 9 days, but September has a slightly higher total of 54 mm (2.1 in) compared to April's 41 mm (1.6 in). Interestingly, humidity remains constant at 82% in both months. For more detailed information, you can check Greifswald weather in April.

In comparing the weather of September and May, September tends to be warmer overall, with average temperatures reaching 15°C (59°F) compared to May's average of 12°C (55°F). The maximum temperature in September can soar to 31°C (89°F), while May's highest is a slightly cooler 29°C (84°F). Both months experience similar levels of precipitation, with September receiving 54 mm (2.1 in) over about 9 days and May getting 51 mm (2.0 in) across 12 days. Humidity is notably higher in September at 82%, compared to a more moderate 74% in May. For a deeper look into May weather specifics, you can check Greifswald weather in May.

When comparing the weather in September and June, there are some notable differences. September typically features a broader temperature range, with minimums dipping to 3°C (37°F) and maximums reaching 31°C (89°F), while June has a milder range with minimums around 6°C (43°F) and maximums peaking at 33°C (92°F). Both months experience similar levels of precipitation, with September recording 54 mm (2.1 in) over 9 days and June slightly higher at 55 mm (2.2 in) over 10 days. Additionally, September tends to be more humid, averaging 82%, compared to June's 75% humidity. For those interested in more details, check out Greifswald weather in June.

In comparing the weather of September and July, there are noticeable differences in temperature and precipitation. September offers a wider temperature range, with minimums as low as 3°C (37°F) and maximums reaching 31°C (89°F), resulting in an average temperature of 15°C (59°F). In contrast, July presents warmer conditions, featuring minimum temperatures of 9°C (48°F) and maximums up to 35°C (96°F), with an average of 18°C (65°F). Furthermore, September experiences slightly less precipitation at 54 mm (2.1 in) over 9 days, compared to July's 82 mm (3.2 in) over 12 days. Additionally, September has higher humidity levels at 82%, while July’s humidity stands at a lower 74%. For a more detailed view of July's climate specifics, check out Greifswald weather in July.

In August, temperatures in Greifswald are generally warmer, with minimums of 9°C (48°F) and maximums reaching up to 36°C (96°F), creating a comfortable average of 19°C (66°F). However, September brings cooler nights with minimum temperatures dropping to 3°C (37°F) and an average of 15°C (59°F), while the maximum temperature can still reach 31°C (89°F). Precipitation is slightly higher in August, with 64 mm (2.5 in) recorded over 12 days, compared to September's 54 mm (2.1 in) over 9 days. Additionally, humidity levels are more comfortable in August at 71%, while September experiences a higher humidity of 82%. For more detailed information, check out Greifswald weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), with an average of 15°C (59°F), while October sees lower temperatures, with a minimum of -1°C (31°F) and an average of 11°C (52°F). Rainfall also increases in October, with 69 mm (2.7 in) across 13 days, compared to September's 54 mm (2.1 in) over 9 days. Additionally, humidity rises slightly in October, reaching 86% compared to 82% in September, contributing to a chillier atmosphere. For more detailed information, visit Greifswald weather in October.

September typically boasts warmer temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), with an average of 15°C (59°F). In contrast, November brings cooler conditions, with temperatures dropping to a minimum of -2°C (29°F) and an average high of only 19°C (66°F). Although September experiences slightly more rainfall (54 mm over 9 days) compared to November's 48 mm over 10 days, November's humidity rises to 89%, higher than September's 82%. For a closer look at what to expect during this time, check out Greifswald weather in November.

In September, the weather in Greifswald is generally milder, with temperatures ranging from a low of 3°C (37°F) to a pleasant average of 15°C (59°F) and a maximum of 31°C (89°F). With around 54 mm (2.1 in) of precipitation over about 9 days, the humidity sits at 82%, contributing to a warm and somewhat humid atmosphere.

In contrast, December sees a significant drop in temperatures, with a minimum of -10°C (14°F) and an average of just 3°C (38°F), peaking at 12°C (54°F). The month experiences slightly less precipitation at 49 mm (1.9 in) over 12 days, but the higher humidity at 93% adds to the chilly winter feel. For more details, check out Greifswald weather in December.

Compare Greifswald's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Greifswald

As summer gradually fades, September in Greifswald brings a delightful transition, marked by mild temperatures and a hint of crispness in the air. With average highs reaching comfortably warm levels, the month invites outdoor adventures, while cooler nights signal the approaching autumn. Although precipitation remains moderate, September's blend of humidity and occasional rainfall helps nourish the lush landscape, setting a picturesque scene for strolls along the waterfront. This gentle shift in weather distinguishes September from the more extreme temperatures of both summer and winter months. For more insights into Greifswald's weather patterns, explore the link: Greifswald Climate.