September Weather in Trakai, Lithuania

Last updated: August 21, 2025

In September, Trakai, Lithuania, experiences a dynamic climate marked by a maximum temperature reaching 27°C (81°F) and an average temperature around 13°C (56°F). Despite the warm afternoons, nights can be brisk, dipping to a minimum of -3°C (27°F). With precipitation totaling 73 mm (2.9 in) over 12 days, this month sees a mix of sunny spells and rainy moments. Additionally, the high humidity levels at 83% contribute to a cozy atmosphere, making September a captivating transition into autumn in this picturesque setting.

September Temperature in Trakai

In September, Trakai, Lithuania begins to transition from the warmth of summer into the cooler embrace of autumn. Temperatures typically range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 27°C (81°F), with an average hovering around 13°C (56°F). This time of year is marked by crisp air and vibrant autumn colors, making it an ideal period for outdoor exploration. Compared to the preceding months, September offers a significant decrease in heat, yet retains a hint of summer's warmth, inviting visitors to enjoy the breathtaking landscapes and historic sites framed by the changing foliage. As the month progresses, expect the cooler evenings to dominate, signaling the approach of milder autumn days ahead.

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

The chart illustrates September temperature patterns in Trakai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trakai, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec282935445465666456473931
Data source: Temperature data for Trakai 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 Trakai

In September, Trakai experiences a moderate shift in precipitation, receiving 73 mm (2.9 in) of rainfall over 12 days. This marks a notable decrease compared to the 103 mm (4.1 in) recorded in August, signaling a transition from the peak summer downpours to the more temperate autumn conditions. The frequency of rainy days remains consistent with the summer months, providing residents and visitors alike with a refreshing, crisp atmosphere, perfect for enjoying the stunning fall foliage. As September unfolds, the combination of shorter days and cooler temperatures nudges the region toward a more tranquil weather pattern, hinting at the peaceful yet variable conditions that lie ahead in the autumn season.

September Precipitation Trends in Trakai

The chart displays monthly precipitation patterns in Trakai, 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. In Trakai, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5139454364578910373655459
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Trakai

In Trakai, Lithuania, September marks a noticeable shift in humidity as summer fades into autumn, with levels stabilizing at 83%. This figure reflects a gradual decrease from the peak of 94% in January, showcasing the region's characteristic seasonal variation. As the months progress from the high humidity of August to September, there's a transition that hints at cooler temperatures ahead. Summer's influence lingers, reflected in this relatively moderate humidity, before the increase in moisture as October approaches, bringing a return to the higher levels typical of the colder months. The changing humidity encapsulates Trakai's dynamic climate, weaving a tapestry of seasonal shifts that define this picturesque locale.

September Average Humidity in Trakai

This chart illustrates the average monthly humidity levels in Trakai, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Trakai is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%90%86%72%74%76%74%83%91%93%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Trakai

As September arrives in Trakai, Lithuania, the UV Index settles at 5, marking a transition to a moderate exposure category. With a burn time of 30 minutes, it's a great reminder to stay sun-safe, especially as temperatures begin to cool. Throughout the year, UV levels exhibit distinct seasonal trends; they peak during the summer months, boasting indexes of 6 and 7 in July and June, while the colder months see much lower readings. This September, as you enjoy the softening sun in Trakai, be mindful of your time outdoors. For more insights into UV levels throughout the year, check out the Trakai UV Index.

Maximum UV Index Levels in Trakai for September

The chart shows the monthly maximum UV Index (UVI) for Trakai 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. In September, the maximum UV index in Trakai typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765321
Data source: Trakai 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 Trakai

In September, Trakai, Lithuania, basks in a delightful embrace of 295 hours of sunshine, signaling the tail end of summer's warmth. As the year transitions from the blazing days of July and August, which offer 428 and 384 hours respectively, September retains a generous amount of sunlight compared to the brisker months ahead. This slight dip in sunshine hours hints at the approaching autumn, yet it still offers ample opportunity for outdoor adventures amidst the stunning landscapes that Trakai has to offer. As the golden hues of fall begin to creep in, September remains a vibrant and inviting time to explore this enchanting region, with longer daylight hours than in October's cooler grasp.

Monthly Sunshine Duration in Trakai: September Highlighted

The September sunshine duration represents the total number of hours Trakai 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.
JanFebMarAprMayJunJulAugSepOctNovDec77h163h260h332h413h437h428h384h295h217h112h93h
Data source: Trakai September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Trakai During September

In Trakai, Lithuania, the likelihood of sunshine in September reflects a transitional period as summer gives way to autumn. At 32%, the chance of enjoying sunny days in this month is on par with the preceding spring months, April and May, which suggests a lingering warmth but not quite the brilliance of the summer peak. Interestingly, this percentage also marks a small dip from the heights of June and July, where sun-soaked days dominate with over half the month typically boasting clear skies. As the season shifts, September serves as a bridge, where sunny spells can still grace the landscape, making it a charming time to explore Trakai’s enchanting lakes and castles under a gentle sun.

Percentage of Sunny Days in September in Trakai

The chart illustrates the percentage of sunny days in Trakai 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 Trakai experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%23%33%32%30%55%54%27%32%41%14%16%
Data source: Trakai September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Trakai in September

As summer gracefully fades, September in Trakai, Lithuania, ushers in a transitional phase with 12 hours of daylight. This month marks a departure from the vibrant, sun-soaked days of June and July, where daylight peaked at 17 hours. The gradual decrease continues into autumn with October following closely at 10 hours, revealing a clear trend of diminishing daylight as winter approaches. While the days shorten, September still offers a comfortable amount of sunshine, allowing locals and visitors alike to enjoy the serene beauty of Trakai’s lakes and historic architecture before the chill of winter sets in.

Average Daylight Hours in Trakai for September

The chart illustrates the variation in daylight duration in Trakai throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 54m9h 42m11h 53m14h 7m16h 6m17h 10m16h 36m14h 49m12h 39m10h 26m8h 25m7h 19m
Data source: Trakai daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Trakai

As September unfolds in Trakai, Lithuania, the winds start to pick up, averaging 3.9 m/s (9 mph), hinting at the transition toward autumn. This month marks a notable resurgence after the warmer summer, where gusts dipped to their lowest point in June and July, averaging 2.8 m/s (6 mph) and 2.9 m/s (6 mph) respectively. Interestingly, September's wind speed aligns closely with the springtime months, suggesting a lively shift in the atmosphere as cooler temperatures approach. As October arrives, the winds intensify further, reaching 4.5 m/s (10 mph), paving the way for the crisp breezes characteristic of fall in this enchanting region. The evolving patterns of wind speed not only reflect the changing seasons but also enhance the picturesque landscape of Trakai, inviting both locals and visitors to embrace the beauty of nature's rhythm.

Average September Wind Speed in Trakai

The chart displays monthly wind speed patterns in Trakai, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.83.94.03.82.82.93.23.9 m/s4.54.44.1
Data source: Trakai September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Trakai Compares to Other Months

Weather in Trakai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Trakai, focusing on differences in temperature, rainfall, humidity, and UV levels.

September presents a mild climate with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 27°C (81°F), averaging around 13°C (56°F). The month experiences approximately 73 mm (2.9 in) of precipitation spread over 12 days, coupled with a humidity level of 83%. In stark contrast, January features a much harsher environment, with minimum temperatures plummeting to -25°C (-12°F) and a maximum of only 7°C (44°F), averaging -2°C (28°F). This month sees slightly lower precipitation at 51 mm (2.0 in) over the same number of days, but the humidity rises to 94%. For more detailed information about the weather in January, visit Trakai weather in January.

September and February present contrasting weather conditions, each with its unique characteristics. In September, temperatures range from a chilly -3°C (27°F) at night to a warm 27°C (81°F) during the day, with an average of 13°C (56°F). This month sees about 73 mm (2.9 in) of precipitation over approximately 12 days and maintains a relatively high humidity of 83%. In stark contrast, February is much colder, with temperatures dropping as low as -22°C (-7°F) and an average of -2°C (29°F). The maximum temperature reaches only 9°C (49°F), and the month experiences less precipitation, about 39 mm (1.5 in), over 10 days, along with even higher humidity levels at 92%. For a more detailed look at winter weather, you can visit Trakai weather in February.

When comparing the weather in September and March, one can observe notable differences. September typically experiences milder temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 27°C (81°F), with an average temperature of 13°C (56°F). This month also sees about 73 mm (2.9 in) of precipitation over 12 days, accompanied by a humidity level of 83%.

In contrast, March presents much colder conditions, with temperatures dipping as low as -18°C (0°F) and peaking at 16°C (61°F), averaging around 2°C (35°F). Although March has a lower total precipitation of 45 mm (1.8 in) over the same number of days (12), the humidity is slightly higher at 90%. For more insights into the specifics of March weather, you can refer to Trakai weather in March.

September and April present distinct weather patterns, with September generally being warmer than April. In September, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable maximum of 27°C (81°F), averaging around 13°C (56°F), while April sees slightly lower temperatures with a minimum of -6°C (22°F) and a maximum of 25°C (77°F), averaging just 7°C (44°F). Precipitation is more prevalent in September with 73 mm (2.9 in) over about 12 days, compared to April's 43 mm (1.7 in) over 9 days. Humidity levels are relatively high in both months, with April being slightly more humid at 86% compared to September's 83%. For more detailed weather insights, visit Trakai weather in April.

September and May exhibit noticeable differences in weather patterns, despite their similar minimum temperatures. September typically sees an average temperature of 13°C (56°F) with a maximum reaching 27°C (81°F), while May's average temperature is slightly cooler at 12°C (54°F) with a peak of 29°C (84°F). While both months experience around eleven to twelve days of precipitation, September is wetter overall with 73 mm (2.9 in) compared to May's 64 mm (2.5 in). The humidity in September is notably higher at 83%, compared to May's 72%, creating a more humid atmosphere in the earlier fall month. For more specific information, you can refer to Trakai weather in May.

September and June present distinct weather patterns. In June, temperatures generally range from a minimum of 3°C (38°F) to a maximum of 33°C (92°F), with an average of 18°C (65°F). This month experiences slightly less precipitation, totaling 57 mm (2.3 in), spread over 12 days, and a humidity level of 74%. In contrast, September offers a cooler climate, with temperatures varying from a minimum of -3°C (27°F) to a maximum of 27°C (81°F) and an average of 13°C (56°F). The month sees increased precipitation at 73 mm (2.9 in) over the same number of days, along with higher humidity at 83%. Overall, while June is warmer and drier, September ushers in cooler temperatures and more moisture. For more details, check Trakai weather in June.

In comparing the weather of September and July, we see a notable difference in temperatures and overall climate conditions. September experiences cooler temperatures with a minimum of -3°C (27°F), an average of 13°C (56°F), and a maximum of 27°C (81°F), while July boasts warmer temperatures, ranging from a minimum of 7°C (45°F) to a peak of 33°C (92°F) with an average of 19°C (66°F). Interestingly, both months have similar precipitation days, with September receiving 73 mm (2.9 in) over 12 days and July slightly higher at 89 mm (3.5 in) over the same number of days. Furthermore, September's humidity stands at 83%, higher than July's 76%, contributing to a slightly more oppressive feel as the season transitions. For a more detailed look at July weather, visit Trakai weather in July.

In comparing the weather of September and August, September experiences cooler temperatures with a minimum of -3°C (27°F) and an average of 13°C (56°F), while August has warmer conditions, starting from a minimum of 5°C (42°F) and averaging 18°C (64°F). The maximum temperatures in August reach up to 33°C (91°F), significantly higher than September's maximum of 27°C (81°F). Additionally, precipitation is somewhat lower in September at 73 mm (2.9 in) over 12 days, compared to August's 103 mm (4.1 in) over 13 days. Humidity levels also reflect a shift, with September at 83% and August at 74%. For a more detailed look at August weather, you can visit Trakai weather in August.

In September, temperatures range from a brisk -3°C (27°F) to a warm 27°C (81°F), with an average of 13°C (56°F), while October experiences cooler conditions with a minimum of -2°C (28°F) and a maximum of 21°C (71°F), averaging only 9°C (48°F). Precipitation in September totals 73 mm (2.9 in) over 12 days, slightly decreasing to 65 mm (2.6 in) across 14 days in October. Additionally, October brings a higher humidity level of 91%, compared to September’s 83%. For more details on the specific climate conditions, you can refer to Trakai weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a mild -3°C (27°F) at night to a warm max of 27°C (81°F) during the day, with an average temperature of 13°C (56°F). The month receives 73 mm (2.9 in) of precipitation over 12 days, with an 83% humidity level, making it feel quite comfortable. In stark contrast, November sees much colder conditions, with temperatures dipping to a minimum of -8°C (18°F) and peaking at only 14°C (58°F), resulting in a chilly average of 4°C (39°F). Precipitation decreases to 54 mm (2.1 in) spread over 11 days, while humidity rises to a higher 93%, contributing to a more damp and brisk atmosphere. For more details on weather conditions during this month, you can visit Trakai weather in November.

September and December present markedly different weather conditions. In September, temperatures fluctuate between a minimum of -3°C (27°F) and a maximum of 27°C (81°F), with an average of 13°C (56°F). The month sees about 73 mm (2.9 in) of precipitation over 12 days, and the humidity is relatively high at 83%. In contrast, December experiences much colder temperatures, ranging from a minimum of -15°C (5°F) to a maximum of 9°C (48°F), with an average of -1°C (31°F). Although December has slightly lower precipitation at 59 mm (2.3 in) over 14 days, the humidity increases significantly to 95%. For more detailed information on December weather in Trakai, check out Trakai weather in December.

Compare Trakai's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Trakai

As September rolls in, Trakai transitions from the warmth of summer to the cool embrace of autumn, bringing a distinct change in weather patterns. The average temperatures drop, offering a refreshing contrast to the sweltering heat of July and August, while the cooler nights hint at the approaching winter. Precipitation also increases, with more rainy days compared to the drier months of summer. This shift is highlighted by a higher humidity level, making the air feel more crisp and refreshing. If you're planning a visit during this time, embrace the beauty of the changing seasons and explore what Trakai has to offer. For more detailed information on what to expect, visit Trakai Climate.