Last updated: August 21, 2025
Experience the enchanting September weather in Haapsalu, Estonia, where mild temperatures create a delightful atmosphere. With a maximum of 21°C (70°F) and an average of 14°C (58°F), days are pleasantly warm, while the evenings cool down to a minimum of 7°C (44°F). Rain graces the town on 15 days, bringing an accumulated precipitation of 85 mm (3.4 in), which adds a touch of freshness to the air that boasts humidity levels of 87%. This unique blend of conditions makes September a fascinating time to explore the scenic beauty and rich culture of Haapsalu.
As September arrives in Haapsalu, temperatures begin to showcase a gentle transition into autumn. With a minimum of 7°C (44°F) and an average of 14°C (58°F), this month marks a delightful dip in warmth compared to the summer months. The maximum reaches a pleasant 21°C (70°F), inviting opportunities for outdoor adventures amidst the changing foliage. While the air cools down, it retains a warmth reminiscent of summer, creating a perfect blend for strolls along the picturesque coastline. Overall, September offers a refreshing yet mild climate, setting the stage for the enchanting hues and serene beauty of fall in Estonia.
September in Haapsalu, Estonia, marks a notable shift in precipitation patterns as summer gives way to autumn. With an average of 85 mm (3.4 in) of rainfall over 15 days, this month demonstrates a significant rise compared to the preceding months, creating a lush and vibrant landscape. The increase is particularly striking when contrasted with the drier days of summer; for instance, August sees a record 115 mm (4.5 in) but is spread over 15 days as well. As October looms with an even higher expected total of 127 mm (5.0 in) over 20 days, September serves as a precursor to the wetter months ahead, highlighting the transition toward the more precipitation-heavy autumn season. Overall, the trend reflects a gradual ramp-up in rainfall, inviting a spectacular transformation in the region's natural beauty.
In Haapsalu, Estonia, September experiences a notable humidity level of 87%, marking a slight uptick from the summer months of July and August, which recorded 80% and 83% respectively. This seasonal shift reflects the transition from the warmer, drier summer to the cooler, moist conditions of autumn. As the year progresses, humidity levels generally remain high, especially in the colder months, with January peaking at an impressive 92%. Such trends highlight Haapsalu's characteristic maritime climate, where humidity tends to be consistently high throughout the year, creating a uniquely atmospheric coastal experience.
In September, Haapsalu experiences a UV Index of 4, categorizing it as a moderate risk for sun exposure. This marks a slight decrease from the peak summer months of June and July, when the UV Index reached a high of 7, necessitating more caution with a 25-minute burn time. As the season transitions, September's 30-minute burn time allows for more leisurely outdoor activities, especially as the days remain pleasantly warm. The trend shows a gradual decline in the UV Index from the summer months, emphasizing the importance of adjusting sun safety practices as autumn approaches. For more information on UV levels throughout the year, check out Haapsalu UV Index.
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As summer gracefully transitions into autumn, September in Haapsalu, Estonia continues to bask in a generous 314 hours of sunshine. This marks a pleasant dip from the sun-drenched August but still maintains a vibrant glow compared to the cooler, cloudier months ahead. The month showcases a notable decline in sunshine hours, reflecting a shift from the peak summer months of June and July which boasted around 484 hours each, inviting residents and visitors alike to savor the lingering warmth. With the arrival of September, the days grow shorter, yet there's still ample opportunity to enjoy the stunning coastal landscapes under the sun, bridging the gap between the lush energy of summer and the more introspective, crisp days of fall.
As summer fades into fall, September in Haapsalu, Estonia presents a transitional weather pattern, marked by a 31% chance of sunny days. This figure reflects a notable decrease from the peak of 59% seen in both June and July, signaling the retreat of summer’s warmth. While September does not boast the sunniest disposition, it still offers a more favorable outlook compared to the subsequent months of October and November, which further dip to 25% and 22% respectively. As the days shorten and temperatures cool, September's mix of lingering sunshine and the promise of autumn creates a unique charm, making it an inviting time to experience Haapsalu’s scenic beauty.
As September unfolds in Haapsalu, Estonia, the days gradually begin to shorten, offering approximately 12 hours of daylight. This marks a noticeable shift from the long, sun-drenched days of summer, where June peaks at an impressive 18 hours. While daylight still lingers comfortably into the early evenings, it signals the onset of autumn, reminiscent of the 14 hours found in April. Following a trend of diminishing daylight that persists into October's 10 hours and the winter months ahead, September embodies a transitional moment, inviting residents and visitors alike to savor the radiant hues of early fall before the days turn significantly shorter.
As September rolls in, Haapsalu experiences a refreshing average wind speed of 7.0 m/s (16 mph), a gentle breeze that marks the transition from summer's warmth to autumn's embrace. This wind speed reflects a slight dip from August's robust gusts, yet remains consistent with the generally mild autumn air. Notably, September's breezes linger around the average speeds of earlier spring months, suggesting a harmonious shift in the seasonal atmosphere. As the days grow shorter, the winds in Haapsalu hint at the impending power of October, when gusts increase to 8.8 m/s (20 mph), preparing the coastal town for the more spirited winds of fall. The rhythm of the seasons continues, with each breeze whispering stories of change and renewal.
Weather in Haapsalu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Haapsalu, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, there are striking contrasts. September boasts milder temperatures, with averages around 14°C (58°F), while January is significantly colder, with average temperatures dropping to 0°C (32°F). Precipitation is more prevalent in September, totaling 85 mm (3.4 in) over about 15 days, compared to January, which sees about 50 mm (2.0 in) across 13 days. Additionally, humidity levels remain high in both months, with January slightly more humid at 92% compared to September's 87%. For more detailed insights, check out Haapsalu weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a minimum of 7°C (44°F) to a pleasant average of 14°C (58°F), peaking at 21°C (70°F). The month experiences about 85 mm (3.4 in) of precipitation over 15 days, and humidity levels are relatively high at 87%. In stark contrast, February brings much colder temperatures, with lows diving to -16°C (4°F) and an average of -1°C (30°F), while the maximum temperature only reaching 6°C (42°F). Precipitation during February is lower at 53 mm (2.1 in) over 11 days, yet humidity remains elevated at 91%. For more details, you can check Haapsalu weather in February.
In comparing the weather of September and March, there is a noticeable contrast in temperatures and overall conditions. September boasts a milder temperature range, with minimums around 7°C (44°F) and maximums reaching up to 21°C (70°F), providing an average of 14°C (58°F). In contrast, March experiences much colder temperatures, with minimums dipping to -14°C (6°F) and an average just around 0°C (33°F). While September is relatively wetter with 85 mm (3.4 in) of precipitation over 15 days, March sees less precipitation, totaling 54 mm (2.1 in) across 12 days, but maintains a higher humidity level of 90%. For more detailed weather insights specific to March, you can visit Haapsalu weather in March.
When comparing the weather in September and April, it's clear that September tends to be both warmer and wetter. In September, the temperatures range from a minimum of 7°C (44°F) to a maximum of 21°C (70°F), with an average of 14°C (58°F). The month sees about 85 mm (3.4 in) of precipitation over roughly 15 days, making it quite a damp time of year with consistent humidity at 87%. In contrast, April brings cooler temperatures, with a minimum of -2°C (29°F), an average of 4°C (40°F), and a maximum of only 15°C (59°F). Precipitation in April is significantly lower at 35 mm (1.4 in) over just 7 days, yet maintains a similar humidity level of 87%. For further details about April weather, visit Haapsalu weather in April.
When comparing the weather between September and May, September generally offers milder temperatures. With a minimum of 7°C (44°F) and a maximum of 21°C (70°F), it is warmer on average (14°C or 58°F) than May, which sees a minimum of 2°C (35°F) and a maximum of 19°C (66°F), averaging just 9°C (49°F). Additionally, September experiences more precipitation, with 85 mm (3.4 in) spread over 15 days, compared to May's 42 mm (1.7 in) over 9 days. The humidity levels are also higher in September at 87%, while May's humidity stands at a lower 76%. For further details, you can check Haapsalu weather in May.
In comparing the weather of September and June, we can see some notable differences. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 21°C (70°F), with an average temperature of 14°C (58°F). This month is characterized by higher humidity at 87% and more precipitation, totaling 85 mm (3.4 inches) spread over 15 days. In contrast, June experiences slightly warmer conditions, with temperatures ranging from a low of 8°C (46°F) to a high of 25°C (77°F), averaging 15°C (60°F). June has less rain, totaling 52 mm (2.0 inches) across just 7 days, and lower humidity at 80%. For more detailed insights into June weather specifically, you can check Haapsalu weather in June.
When comparing the weather in September to that of July, it becomes clear that September is significantly cooler, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 21°C (70°F). In contrast, July enjoys a warmer climate, with temperatures varying from a minimum of 12°C (54°F) to a maximum of 26°C (78°F). While both months experience notable precipitation, September sees about 85 mm (3.4 in) over 15 days, which is a bit wetter than July's 78 mm (3.1 in) spread over 9 days. Additionally, September has a higher humidity level at 87%, compared to July's 80%. For more detailed information on July weather, you can visit Haapsalu weather in July.
In comparing the weather of September to that of August, September is noticeably cooler, with average temperatures dropping from 18°C (65°F) in August to 14°C (58°F) in September. The minimum temperature in September reaches as low as 7°C (44°F), contrasting with August's warmer minimum of 12°C (53°F). While both months experience precipitation on about 15 days, September sees a decrease in total rainfall, with 85 mm (3.4 in) compared to August's 115 mm (4.5 in). Humidity levels remain relatively similar, with September at 87% and August slightly lower at 83%. For a more detailed overview, you can check out Haapsalu weather in August.
September and October exhibit notable differences in weather patterns. In September, temperatures remain relatively mild, with a minimum of 7°C (44°F) and an average of 14°C (58°F), peaking at 21°C (70°F). The month sees roughly 85 mm (3.4 in) of precipitation across about 15 days, accompanied by a humidity level of 87%. However, as October arrives, temperatures drop significantly, with a minimum of 1°C (35°F) and an average of 10°C (49°F); the maximum only reaches 16°C (61°F). Additionally, October experiences increased rainfall, totaling 127 mm (5.0 in) over 20 days, and the humidity rises slightly to 90%. For a more detailed overview of October weather, you can visit Haapsalu weather in October.
In comparing the weather between September and November, a notable drop in temperature is evident. September experiences a mild average temperature of 14°C (58°F), with maximum highs reaching 21°C (70°F), while November significantly cools down with an average of only 6°C (43°F) and a maximum of 12°C (54°F). Precipitation levels are relatively similar, with September receiving 85 mm (3.4 in) over 15 days and November slightly lower at 78 mm (3.1 in) over 16 days. Additionally, humidity increases from 87% in September to 91% in November, contributing to a noticeably damp and chilly atmosphere. For a more detailed look at November conditions, visit Haapsalu weather in November.
September and December present contrasting weather patterns. In September, temperatures range from a mild 7°C (44°F) to a pleasant max of 21°C (70°F), with an average of 14°C (58°F). This month also sees a significant amount of rainfall, totaling 85 mm (3.4 in) over about 15 days, accompanied by high humidity levels at 87%. In stark contrast, December brings much colder conditions, with temperatures dipping to a minimum of -10°C (14°F) and averaging just 2°C (35°F). The maximum temperature reaches only 7°C (45°F), while precipitation decreases to 65 mm (2.6 in) over 16 days, and humidity slightly increases to 90%. For more details, you can check Haapsalu weather in December.
As summer gracefully fades, September in Haapsalu brings a refreshing shift in weather, marked by cooler temperatures and increased humidity. With an average temperature of 14°C (58°F), the warmth of the preceding months is replaced by a crisp air that invites cozy layers. This month also sees a notable rise in precipitation, with rain gracing the landscape on nearly half of the days, contributing to a lush, vibrant environment. The rich tapestry of grey skies and warm hues makes it a captivating time to explore the coastal beauty of Haapsalu. For those intrigued by seasonal changes, a deeper dive into the regional climate can be found here: Haapsalu Climate.