September Weather in Sventoji, Lithuania

Last updated: August 21, 2025

In Sventoji, Lithuania, September unveils a captivating weather tapestry, characterized by a maximum temperature of 27°C (81°F), providing warm days ideal for outdoor exploration. The average temperature settles at a comfortable 15°C (59°F), while the nights can dip to a brisk 3°C (38°F). With 91 mm (3.6 in) of rain distributed over approximately 13 days, this month brings an element of unpredictability, making it essential for travelers to be prepared for occasional showers. Coupled with a humidity level of 81%, the air is often filled with a refreshing coastal breeze, perfect for embracing the unique charm of Sventoji during this transitional season.

September Temperature in Sventoji

In September, Sventoji, Lithuania, transitions into a more moderate climate, making it a delightful time for visitors. With minimum temperatures around 3°C (38°F) and average highs peaking at 27°C (81°F), it strikes a balance between the lingering warmth of summer and the onset of autumn. The average temperature settles at a comfortable 15°C (59°F), offering ideal conditions for outdoor activities. As the month progresses, the warmth begins to wane, hinting at the cooler months ahead. Overall, September in Sventoji is marked by pleasant days, inviting nature lovers and adventurers alike to enjoy its scenic beauty before the chill of winter sets in.

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

The chart illustrates September temperature patterns in Sventoji, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sventoji, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343336435263656558514336
Data source: Temperature data for Sventoji 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 Sventoji

September marks a significant leap in precipitation levels for Sventoji, Lithuania, as the month receives an impressive 91 mm (3.6 in) of rain over 13 days. This uptick follows the wettest summer months of July and August, which had 77 mm (3.0 in) and 81 mm (3.2 in) respectively, heralding the transition into autumn with increasing moisture. The rise in rainfall to September's level can be seen as a precursor to October’s even more substantial total of 115 mm (4.5 in), suggesting a pattern of intensified precipitation as the seasons change. This trend underscores the coastal climate's characteristic shifts, where summer's warmth gives way to autumnal rains, enriching the landscapes and preparing the region for the forthcoming cooler months.

September Precipitation Trends in Sventoji

The chart displays monthly precipitation patterns in Sventoji, 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 Sventoji, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5747503136447781911157672
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Sventoji

In September, Sventoji experiences a notable shift in humidity, settling at 81%, which reflects a gradual decrease from the sweltering summer months yet remains higher than the spring averages. Following the peak summer humidity levels of 76% in August, September's values indicate a return to the dampness characteristic of the fall season. The trend shows a marked increase in humidity as the year progresses, with January and February boasting the highest levels at 91% and 90%, respectively. This consistent humidity pattern—starting high in winter, dipping during late spring, and climbing back up into the dampness of fall—illustrates Sventoji’s maritime climate and enriches the overall coastal experience for both residents and visitors alike.

September Average Humidity in Sventoji

This chart illustrates the average monthly humidity levels in Sventoji, 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 Sventoji is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%89%85%74%75%76%76%81%89%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sventoji

As we transition into September in Sventoji, Lithuania, the UV Index begins to moderate, settling at a level 5, indicating a shift from the high levels experienced in the summer months. This marks a return to a moderate exposure category, where the recommended burn time stretches back to 30 minutes. Following a peak in July and August, where the UV Index consistently reached 6 and 7, September offers a more comfortable UV radiation environment for outdoor activities. As the days grow shorter, it's essential to remain mindful of sun safety by checking local UV reports. For comprehensive insights, visit Sventoji UV Index.

Maximum UV Index Levels in Sventoji for September

The chart shows the monthly maximum UV Index (UVI) for Sventoji 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 Sventoji typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Sventoji 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 Sventoji

As summer gives way to autumn, September in Sventoji continues to bask in the afterglow of the warm months, recording an impressive 322 hours of sunshine. This marks a noticeable decline from the sun-drenched summer highs of July and June, which boasted over 460 hours of sunlight. However, the early fall still retains a generous amount of bright days compared to the chilly, dim months that follow, such as October's 244 hours and November's mere 149 hours. As the days shorten and the temperature begins to dip, September serves as a beautiful bridge, allowing locals and visitors alike to enjoy the lingering warmth and vibrant colors of the landscape before winter takes hold.

Monthly Sunshine Duration in Sventoji: September Highlighted

The September sunshine duration represents the total number of hours Sventoji 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h191h269h367h445h466h460h400h322h244h149h106h
Data source: Sventoji September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sventoji During September

As September rolls into Sventoji, Lithuania, the likelihood of sunny weather stands at 39%, a slight uptick from the preceding months of August. While summer months like June showcase the highest chance of sun at an impressive 65%, September serves as a bridge between warm summer days and the encroaching chill of autumn, offering a moderate chance for bright afternoons. The sunny days may be dwindling, yet the weather still holds the potential for pleasant outings. With a gentle decline noted from the summer peak, it's a time when locals and travelers alike can still relish in the fading warmth before the days grow shorter and cloudier.

Percentage of Sunny Days in September in Sventoji

The chart illustrates the percentage of sunny days in Sventoji 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 Sventoji experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%35%38%43%40%65%50%33%39%36%20%26%
Data source: Sventoji September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sventoji in September

As summer transitions into autumn, September in Sventoji, Lithuania, witnesses a gradual decline in daylight hours, providing a gentle reminder of the changing seasons. With 12 hours of daylight, September offers a comfortable balance between the long, sun-drenched days of June and July, and the shorter, crisper days that follow in October. This month serves as a bridge, allowing residents and visitors to indulge in the tail end of summer activities while subtly ushering in the charm of autumn. The pattern observed throughout the year highlights a clear trend: as winter approaches, daylight gradually decreases, reflecting the rhythmic ebb and flow of nature.

Average Daylight Hours in Sventoji for September

The chart illustrates the variation in daylight duration in Sventoji throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 41m9h 35m11h 53m14h 14m16h 19m17h 28m16h 51m14h 57m12h 41m10h 21m8h 14m7h 3m
Data source: Sventoji daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sventoji

In September, the winds in Sventoji, Lithuania, dance gently at an average speed of 5.0 m/s (11 mph), mirroring a familiar cadence from earlier months in the year. This marks a slight respire from the calmer breezes of summer, where June and July showcased their softer whispers with speeds dipping to 3.4 m/s (8 mph) and 3.9 m/s (9 mph) respectively. As autumn approaches, the winds begin to gather momentum, setting the stage for October’s brisker gusts of 6.1 m/s (14 mph). Interestingly, September's windspeed remains stable compared to other late summer months, ensuring that while the seasons shift, the coastal breezes maintain a reassuring presence. This transition from summer's calm to fall's spirited winds paints a vivid portrait of nature's rhythms along the Lithuanian coast.

Average September Wind Speed in Sventoji

The chart displays monthly wind speed patterns in Sventoji, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.04.85.45.34.73.43.94.85.0 m/s6.15.85.6
Data source: Sventoji September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sventoji Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a cool minimum of 3°C (38°F) to a pleasant maximum of 27°C (81°F), with an average around 15°C (59°F). The month sees significant rainfall, totaling 91 mm (3.6 in) across about 13 days, accompanied by a high humidity level of 81%. In contrast, January is much colder, with temperatures plummeting as low as -18°C (0°F) and peaking at just 8°C (47°F), resulting in a chilly average of 1°C (34°F). The precipitation is lighter in January, at 57 mm (2.2 in) over the same number of days, but the humidity remains high at 91%. For more details, check out Sventoji weather in January.

September weather is considerably milder compared to February, with temperatures ranging from a minimum of 3°C (38°F) and averaging around 15°C (59°F) to a maximum of 27°C (81°F). This month sees about 91 mm (3.6 in) of precipitation over 13 days, combined with a relatively high humidity level of 81%. In contrast, February experiences much colder conditions, with temperatures dipping as low as -16°C (3°F), averaging 0°C (33°F), and peaking at just 10°C (50°F). Precipitation is lower in February, totaling 47 mm (1.8 in) across 9 days, but humidity remains quite high at 90%. For a detailed overview of February weather, you can refer to Sventoji weather in February.

September and March present starkly contrasting weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 27°C (81°F), with an average of 15°C (59°F). This month also experiences higher precipitation, with around 91 mm (3.6 in) over 13 days and humidity levels sitting at 81%. In contrast, March is notably colder, with temperatures dipping to a minimum of -18°C (0°F) and peaking at just 13°C (56°F), averaging only 2°C (36°F). There is less precipitation in March at 50 mm (2.0 in) across 14 days, but humidity is slightly higher at 89%. For a closer look at specific conditions, check out this link: Sventoji weather in March.

September and April present distinct weather patterns, reflecting the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 27°C (81°F), with an average of 15°C (59°F). The month experiences higher humidity at 81% and more substantial rainfall, totaling 91 mm (3.6 in) over 13 days. In contrast, April features cooler temperatures, with a minimum of -4°C (24°F) and an average of 6°C (44°F), peaking at 24°C (75°F). This month sees significantly less precipitation, only 31 mm (1.2 in) across 8 days, and slightly higher humidity at 85%. For more details, you can check Sventoji weather in April.

September and May offer distinct weather experiences. In September, temperatures range from a chilly 3°C (38°F) to a comfortable 27°C (81°F), with an average of 15°C (59°F). This month sees higher humidity at 81% and more precipitation, with 91 mm (3.6 in) falling across 13 days. In contrast, May presents milder temperatures, ranging from a low of -1°C (30°F) to a high of 26°C (79°F) and an average of 11°C (53°F). It has significantly less rainfall, totaling 36 mm (1.4 in) over just 8 days, along with lower humidity at 74%. For a closer look at May weather specifics, you can visit Sventoji weather in May.

When comparing the weather in September and June, September tends to be cooler and wetter. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 27°C (81°F), with an average of 15°C (59°F) and a higher humidity of 81%. The month experiences significant rainfall, averaging 91 mm (3.6 inches) over 13 days. In contrast, June is generally warmer, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 31°C (87°F) and an average of 17°C (63°F). June also tends to be drier, with only 44 mm (1.7 inches) of precipitation occurring over 8 days and a lower humidity of 75%. For more specifics on June weather, you can visit Sventoji weather in June.

In comparing the weather of September and July, September presents a cooler climate with minimum temperatures dipping to 3°C (38°F) and an average of 15°C (59°F), while July enjoys milder conditions with a minimum of 10°C (50°F) and an average of 19°C (66°F). July also boasts higher maximum temperatures, peaking at 30°C (86°F) compared to September's maximum of 27°C (81°F). Precipitation is slightly greater in September at 91 mm (3.6 in) over 13 days, while July sees 77 mm (3.0 in) over 12 days, reflecting a wetter climate as fall approaches. Additionally, humidity levels are higher in September at 81%, compared to July's 76%. For a more detailed look at July weather, you can check out this link: Sventoji weather in July.

September experiences a noticeable shift in weather compared to August, with lower minimum temperatures dropping to 3°C (38°F) from August's 9°C (48°F). The average temperature in September is also cooler at 15°C (59°F), whereas August maintains a warmer average of 18°C (65°F). While both months see similar levels of precipitation—with September receiving 91 mm (3.6 in) and August 81 mm (3.2 in)—September tends to feel more humid, with humidity levels rising to 81% compared to August's 76%. For more detailed information about August weather in Sventoji, you can visit Sventoji weather in August.

In comparing the weather of September and October, notable differences are evident. September tends to be warmer, with average temperatures around 15°C (59°F) and maximums reaching 27°C (81°F), while October sees a cooler average of 10°C (51°F) and maximums of 22°C (71°F). Precipitation also increases from 91 mm (3.6 in) over 13 days in September to 115 mm (4.5 in) over 17 days in October, indicating a wetter climate as autumn progresses. Additionally, humidity rises slightly from 81% in September to 89% in October, contributing to a more damp and chilly atmosphere. For a closer look at what to expect, check out Sventoji weather in October.

In September, the weather is generally warmer, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 27°C (81°F) and an average of 15°C (59°F). The month sees about 91 mm (3.6 in) of precipitation over 13 days, with humidity levels around 81%. In contrast, November brings a significant drop in temperatures, with a minimum of -4°C (25°F) and an average of 6°C (44°F), peaking at a maximum of 14°C (57°F). Although November has slightly less precipitation at 76 mm (3.0 in) spread over 15 days, the humidity remains high at 91%. For more detailed insights into the weather during November, you can check Sventoji weather in November.

September and December present strikingly different weather conditions. In September, temperatures range from a mild 3°C (38°F) at night to a pleasant average of 15°C (59°F), reaching up to a comfortable 27°C (81°F) during the day. This month experiences a total precipitation of 91 mm (3.6 in) over about 13 days, coupled with relatively high humidity at 81%.

In contrast, December brings a significant drop in temperatures, with nighttime lows plummeting to -11°C (12°F) and an average temperature of just 2°C (36°F), maxing out at around 10°C (50°F). Although precipitation is lower at 72 mm (2.8 in), it is spread over more days, totaling 17 days of rain or snow, and the humidity climbs to a chilly 92%. For a closer look at winter conditions, check out Sventoji weather in December.

Compare Sventoji's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sventoji

September in Sventoji marks a transition into cooler temperatures as summer begins to fade, bringing delightful yet variable weather. With a mix of warm days peaking at 27°C and cooler nights dipping to 3°C, the average temperature settles around a mild 15°C. This month also brings increased humidity at 81%, along with 91 mm of precipitation spread over 13 days, making it one of the wetter periods of the year. While still offering pleasant days for outdoor activities, the blend of sunny and rainy spells reminds visitors that autumn is on the horizon. To delve deeper into what to expect throughout the year, check out Sventoji Climate.