September Weather in Narva-Joesuu, Estonia

Last updated: August 21, 2025

September in Narva-Joesuu, Estonia presents a delightful transition into autumn, showcasing a maximum temperature reaching 24°C (76°F), while the average settles around 13°C (56°F) and can dip to a brisk 4°C (40°F) at night. This month sees a total precipitation of 91 mm (3.6 in) over 15 rainy days, contributing to a lush, vibrant landscape. With humidity levels hovering around a notable 90%, the air feels rich and invigorating, making this an ideal time to experience the serene beauty of Narva-Joesuu's nature as it gradually shifts to its autumn attire.

September Temperature in Narva-Joesuu

In September, Narva-Joesuu, Estonia begins to embrace the cool embrace of autumn, showcasing a distinct shift in temperatures from the warmth of summer. With minimums averaging around 4°C (40°F) and highs reaching up to 24°C (76°F), this month offers a delightful blend of crisp air and pleasant warmth. The overall average temperature settles at 13°C (56°F), providing a refreshing respite as the region transitions into the cooler months. As the vibrant hues of fall foliage emerge, September proves to be an inviting time for exploration and outdoor activities in this charming coastal town.

September Weather in Narva-Joesuu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Narva-Joesuu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Narva-Joesuu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec282731394961646355463831
Data source: Temperature data for Narva-Joesuu 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 Narva-Joesuu

September in Narva-Joesuu, Estonia, witnesses a significant shift in precipitation patterns, with 91 mm (3.6 in) of rainfall recorded over 15 days. This marks a slight decline from the preceding month of August, which experienced the heaviest rainfall of the year at 104 mm (4.1 in). However, September's figures maintain the high levels typical of the transition into autumn, showing a more consistent pattern as the number of rainy days increases. As the region prepares for the chillier months ahead, the rainfall this month echoes the broader trend of increased precipitation compared to the earlier summer months, highlighting September as a time of lush landscapes and vibrant autumn colors in Narva-Joesuu.

September Precipitation Trends in Narva-Joesuu

The chart displays monthly precipitation patterns in Narva-Joesuu, 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 Narva-Joesuu, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec49555448635377104911047478
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Narva-Joesuu

In September, Narva-Joesuu experiences a slight uptick in humidity, reaching 90%, which is consistent as the summer months transition into autumn. After a summer with humidity peaking at 86% in August, the air retains a comfortable but noticeable moisture level, hinting at the lingering warmth before the colder months set in. This trend of elevated humidity is reflected year-round, with January and February being the most humid months, around 97% and 94%, respectively. As the year progresses, humidity begins to ebb in the spring months, yet even September's figures indicate a resilience in moisture that enhances the region's distinctive coastal charm. Overall, the gradual variation suggests a stable climate, with each month contributing to the rich tapestry of Narva-Joesuu's weather patterns.

September Average Humidity in Narva-Joesuu

This chart illustrates the average monthly humidity levels in Narva-Joesuu, 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 Narva-Joesuu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%94%90%86%71%77%82%86%90%93%93%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Narva-Joesuu

As September arrives in Narva-Joesuu, Estonia, the UV Index dips to 4, categorizing it as a moderate risk for sun exposure, with a burn time of around 30 minutes for those fair-skinned. This month marks a transition as temperatures begin to cool, yet the sun still holds enough strength to warrant caution, especially compared to the peak UV levels seen in the summer months of June and July, when the index reached 7. The trend throughout the year reveals a gradual rise from 1 in winter to its summer zenith, before tapering down again in the fall. For more insights on safe sun exposure during your visit, check out the detailed Narva-Joesuu UV Index.

Maximum UV Index Levels in Narva-Joesuu for September

The chart shows the monthly maximum UV Index (UVI) for Narva-Joesuu 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 Narva-Joesuu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457764211
Data source: Narva-Joesuu 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 Narva-Joesuu

In September, Narva-Jõesuu basks in a glorious 301 hours of sunshine, making it a delightful transition from the vibrant summer months. This sunny spell follows a peak in July with its impressive 475 hours, and although the daylight begins to wane as autumn approaches, September still holds onto a generous amount of light compared to the dim winter months. The gradual decline from the summer highs is evident as the region shifts towards the cozier autumn vibe, yet September remains one of the brighter months of the year. With an average of nearly ten hours of sunlight each day, it's the perfect time for locals and visitors to enjoy the stunning natural beauty and scenic shores of this charming Estonian seaside town.

Monthly Sunshine Duration in Narva-Joesuu: September Highlighted

The September sunshine duration represents the total number of hours Narva-Joesuu 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.
JanFebMarAprMayJunJulAugSepOctNovDec48h123h263h357h443h483h475h404h301h209h109h47h
Data source: Narva-Joesuu September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Narva-Joesuu During September

In Narva-Joesuu, Estonia, the likelihood of sunny weather experiences notable fluctuations throughout the year, peaking during the summer months. While January begins with a mere 5% chance of sunshine, by July, the probabilities soar to 58%, offering some of the sunniest days. However, as autumn approaches, particularly in September, the chance of sun declines to 21%, marking a transitional phase where warmer, sunnier days give way to increasing cloud cover and cooler temperatures. This trend emphasizes the importance of planning for varied weather, especially as one bids farewell to summer's warmth and embraces the upcoming crispness of autumn.

Percentage of Sunny Days in September in Narva-Joesuu

The chart illustrates the percentage of sunny days in Narva-Joesuu 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 Narva-Joesuu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec5%10%36%43%32%57%58%28%21%28%14%6%
Data source: Narva-Joesuu September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Narva-Joesuu in September

In September, Narva-Joesuu, Estonia experiences a transition as daylight begins to wane, offering about 12 hours of light—a noticeable drop from the sun-drenched days of summer. Following the peak of 18 hours in June, the daylight gradually decreases, a trend that continues into the autumn months. This shift marks a time of change, as residents and visitors alike prepare for the more subdued light of October with just 10 hours. September serves as a gentle reminder of the rhythmic dance of the seasons, bridging the vibrant energy of summer with the quieter tones of fall.

Average Daylight Hours in Narva-Joesuu for September

The chart illustrates the variation in daylight duration in Narva-Joesuu throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 56m9h 12m11h 51m14h 34m17h 4m18h 30m17h 43m15h 25m12h 46m10h 6m7h 36m6h 9m
Data source: Narva-Joesuu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Narva-Joesuu

As summer gives way to autumn in Narva-Joesuu, September brings a notable uptick in wind speed, averaging 5.2 m/s (12 mph), matching the gusty conditions of August. This shift marks a transition as the gentle summer breezes give way to more invigorating currents, enhancing the coastal charm of this Estonian gem. The wind picks up momentum as the season progresses, often foreshadowing the robust gusts of October and November, both averaging 6.2 m/s (14 mph). This increased wind activity not only reflects the changing seasons but also enhances outdoor experiences, inviting locals and visitors alike to embrace the refreshing seaside atmosphere.

Average September Wind Speed in Narva-Joesuu

The chart displays monthly wind speed patterns in Narva-Joesuu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.54.45.24.74.23.43.75.15.2 m/s6.26.25.7
Data source: Narva-Joesuu September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Narva-Joesuu Compares to Other Months

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

September and January weather present a stark contrast in temperature and humidity. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 24°C (76°F), with an average of 13°C (56°F). The month experiences 91 mm (3.6 in) of precipitation over about 15 days, coupled with a humidity level of 90%. In comparison, January is characterized by much colder temperatures, with a minimum of -15°C (5°F) and a maximum of 7°C (45°F), yielding an average of -2°C (28°F). Although it sees less precipitation at 49 mm (1.9 in) over 13 days, January boasts a higher humidity level of 97%. For more detailed weather information, you can visit Narva-Joesuu weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 24°C (76°F), with an average of 13°C (56°F). This month experiences relatively high precipitation at 91 mm (3.6 in) over about 15 days, accompanied by a humidity level of 90%. In stark contrast, February is much colder, with temperatures ranging from a frigid minimum of -22°C (-8°F) to a maximum of 7°C (45°F), averaging -3°C (27°F). Precipitation is lower at 55 mm (2.2 in) but is spread over 14 days, while humidity rises slightly to 94%. The seasonal shift from September's mildness to February's chill showcases the dramatic changes in climate throughout the year. For a detailed look at February weather, check out Narva-Joesuu weather in February.

In comparing the weather between September and March, one can observe significant differences in temperature and precipitation patterns. September generally offers a much milder climate, with average temperatures ranging from 4°C (40°F) to a maximum of 24°C (76°F), while March is much colder, featuring temperatures that can dip as low as -19°C (-1°F) and peak at just 9°C (49°F). Additionally, September sees higher precipitation levels at 91 mm (3.6 in) over 15 days, compared to March's 54 mm (2.1 in) over 14 days. Despite both months having similar humidity levels at 90%, the overall experience is markedly different, making September feel much more inviting than the harsh chill of March. For more detailed insights, you can explore Narva-Joesuu weather in March.

In comparing the weather of September and April, September tends to be noticeably warmer with an average temperature of 13°C (56°F) and highs reaching up to 24°C (76°F), while April's average temperature is significantly cooler at 4°C (39°F), peaking at 20°C (68°F). Additionally, September experiences more precipitation, with about 91 mm (3.6 in) falling over 15 days, compared to April's lighter rainfall of only 48 mm (1.9 in) across 11 days. Humidity levels are relatively high in both months, with September at 90% and April at 86%. For a detailed look at April weather, you can visit Narva-Joesuu weather in April.

When comparing the weather in September to that of May, notable differences emerge. September generally experiences warmer temperatures, with a minimum of 4°C (40°F) and an average of 13°C (56°F), peaking at 24°C (76°F). In contrast, May has a cooler climate, ranging from a minimum of 0°C (32°F) to a maximum of 22°C (72°F), with an average of 10°C (50°F). Additionally, September sees more rainfall, accumulating 91 mm (3.6 in) over about 15 days, while May has a lighter precipitation total of 63 mm (2.5 in) spread across 10 days. Humidity levels are also higher in September at 90%, compared to 71% in May, creating a noticeably different atmospheric feel. For more specific details on the weather in May, you can visit Narva-Joesuu weather in May.

In comparing the weather of September and June, we notice distinct differences in temperature and precipitation. September typically experiences a minimum temperature of 4°C (40°F) and averages around 13°C (56°F), peaking at 24°C (76°F). In contrast, June has slightly milder temperatures, with a minimum of 5°C (42°F), an average of 16°C (61°F), and a maximum reaching 30°C (86°F). Additionally, September sees more precipitation, totaling 91 mm (3.6 in) over about 15 days, while June averages 53 mm (2.1 in) over just 10 days. The humidity also plays a role, with September being more humid at 90% compared to June's 77%. For a closer look at the conditions in June, you can check Narva-Joesuu weather in June.

In comparing the weather of July and September, July presents a significantly warmer and more humid climate, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 30°C (86°F) and an average of 18°C (65°F). This month also experiences slightly less precipitation, with 77 mm (3.0 in) falling over 12 days. In contrast, September sees cooler temperatures, with a minimum of 4°C (40°F), an average of 13°C (56°F), and a maximum of 24°C (76°F), along with increased precipitation at 91 mm (3.6 in) over 15 days and higher humidity at 90%. For more detailed insights into July's weather, you can visit Narva-Joesuu weather in July.

In comparing the weather between September and August, a notable drop in temperatures can be observed. September's minimum temperature of 4°C (40°F) contrasts sharply with August's warmer low of 10°C (50°F), resulting in an average of 13°C (56°F) for September compared to 17°C (63°F) in August. Maximum temperatures also reflect this transition, with September reaching up to 24°C (76°F) versus August's peak of 28°C (82°F). Precipitation levels are slightly lower in September, totaling 91 mm (3.6 in) over 15 days, compared to 104 mm (4.1 in) over 16 days in August. The humidity is marginally higher in September at 90%, compared to 86% in August, contributing to a noticeably more damp atmosphere. For a detailed look at August's weather, you can check Narva-Joesuu weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 24°C (76°F), with an average of 13°C (56°F). The month experiences significant humidity at 90% and approximately 91 mm (3.6 in) of precipitation over about 15 days. In contrast, October sees a drop in temperatures, with a minimum of -2°C (29°F) and a maximum of 17°C (63°F), averaging 8°C (46°F). Rainfall increases slightly to 104 mm (4.1 in) across 20 days, and humidity creeps up to 93%. For those interested in more details about this transition, you can check out Narva-Joesuu weather in October.

In September, the weather is generally milder, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (76°F), and an average of 13°C (56°F). The month experiences relatively high humidity at 90% and receives about 91 mm (3.6 in) of precipitation over 15 days. In contrast, November brings a noticeable chill, with temperatures dropping to a minimum of -6°C (22°F) and averaging around 4°C (39°F), peaking at 11°C (53°F). The humidity increases slightly to 93%, and while precipitation decreases to 73 mm (2.9 in), it occurs over a slightly longer period of 17 days. For more detailed insights, you can check the Narva-Joesuu weather in November.

The weather in September is notably milder compared to December, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (76°F) and an average of 13°C (56°F). In contrast, December plunges into much colder temperatures, reaching a minimum of -19°C (-2°F) and an average of -1°C (31°F). Precipitation levels are relatively comparable, with September receiving 91 mm (3.6 in) over 15 days, while December sees 78 mm (3.1 in) across 18 days. Additionally, humidity rises slightly in December to 94%, compared to September's 90%. For a detailed look at December conditions, check out Narva-Joesuu weather in December.

Compare Narva-Joesuu's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Narva-Joesuu

As September rolls in, Narva-Joesuu experiences a distinct transition from the warmth of summer to the coolness of autumn. This month showcases a dynamic range of temperatures, with a noticeable drop in warmth compared to July and August. The average temperature dips to a comfortable 13°C, offering a refreshing change, while occasional peaks still flirt with 24°C on sunny days. However, the increased humidity and frequent precipitation—spanning about half the month—mark a clear shift towards the wet season, unlike the drier summer months. This blend of mild temperatures and rain makes for a unique experience, perfect for those who appreciate the beauty of changing seasons. To learn more about the overall climate in this charming coastal town, visit Narva-Joesuu Climate.