September Weather in Sigulda, Latvia

Last updated: August 21, 2025

In Sigulda, Latvia, September showcases a dynamic weather palette as the summer warmth begins to fade. With maximum temperatures reaching 27°C (80°F) and dipping to a brisk -1°C (30°F), the month offers a varied climate that appeals to both outdoor enthusiasts and cozy retreat seekers. The average temperature settles around a comfortable 13°C (56°F), perfect for exploring the stunning landscapes. However, prepare for potential showers, as the region experiences 87 mm (3.4 in) of precipitation over approximately 14 days, accompanied by a notable humidity level of 87%. Whether you're enjoying the lush autumn scenery or planning a rainy day activity, September in Sigulda presents a unique blend of warmth and moisture, inviting visitors to embrace the changing season.

September Temperature in Sigulda

As summer fades, September in Sigulda, Latvia marks a transition towards cooler days while still holding on to the warmth of late summer. The month begins with mild temperatures, where the average hovers around 13°C (56°F), creating a pleasant atmosphere for outdoor activities. Daytime highs can reach a comfortable 27°C (80°F), allowing for lingering afternoons in the sun, but the nights start to cool down with lows dropping to around -1°C (30°F). This shift indicates the onset of autumn, as the crisp air becomes more prevalent, offering a refreshing contrast to the balmy summer months. With a blend of warmth and coolness, September becomes a beautiful time to explore Sigulda's picturesque landscapes and rich cultural heritage.

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

The chart illustrates September temperature patterns in Sigulda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sigulda, 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).
JanFebMarAprMayJunJulAugSepOctNovDec292834435263656356473931
Data source: Temperature data for Sigulda 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 Sigulda

In September, Sigulda experiences a striking continuation of the summer's wetness, with precipitation reaching 87 mm (3.4 in), identical to August’s totals. This month records an average of 14 rainy days, adding to the lingering gray days that characterize late summer. As the transition to autumn begins, the rainfall often brings a refreshing coolness, hinting at the upcoming seasonal change. This consistent precipitation marks a peak before a slight decline, with October following closely behind at 84 mm (3.3 in). Overall, September stands as a month of abundant moisture, reinforcing the lush greenery of the region as nature prepares for the briskness of fall.

September Precipitation Trends in Sigulda

The chart displays monthly precipitation patterns in Sigulda, 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 Sigulda, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec464355475871928787846155
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sigulda

In September, Sigulda experiences a notable shift in humidity, with levels at 87%, indicating a transition from the warmer summer months. While this is a slight decrease from the peak 80% of August, September's humidity remains significantly higher than the spring months, showcasing the lingering effects of a humid summer. As autumn approaches, humidity levels gradually rise again, climbing to 91% in October, setting the stage for the chillier months ahead. This interplay of moisture in the air creates a rich, vibrant atmosphere, perfect for enjoying the stunning natural landscapes of the region.

September Average Humidity in Sigulda

This chart illustrates the average monthly humidity levels in Sigulda, 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 Sigulda is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%90%87%72%76%76%80%87%91%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sigulda

As summer fades, September in Sigulda, Latvia welcomes a UV Index of 4, categorizing sun exposure as moderate. This decrease from the high levels seen in July and August reflects the transitional nature of the season, suggesting that while sun safety remains important, the risk of overexposure is notably reduced. With a burn time of approximately 30 minutes, beachgoers and outdoor enthusiasts can enjoy the crisp autumn air while still keeping an eye on the sun. As you plan your activities, remember to check the Sigulda UV Index to stay informed and protect your skin!

Maximum UV Index Levels in Sigulda for September

The chart shows the monthly maximum UV Index (UVI) for Sigulda 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 Sigulda typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Sigulda 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 Sigulda

As summer gently transitions to autumn, September in Sigulda, Latvia, bathes in a delightful 305 hours of sunshine, a remarkable drop from the sun-drenched June and July but still a comforting reminder of the warmth lingering in the air. This month captures a great balance, nestled between the vibrant summer months and the quiet, reflective days of late autumn. With August witnessing 390 hours of sunlight, September's decline signals a gradual shift, yet remains generous compared to the stark light of the winter months, which can dip to just 74 hours in January and December. The sunny days of September invite both locals and visitors to savor the beauty of the changing leaves, making it a perfect time for exploration in this picturesque region.

Monthly Sunshine Duration in Sigulda: September Highlighted

The September sunshine duration represents the total number of hours Sigulda 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.
JanFebMarAprMayJunJulAugSepOctNovDec74h161h267h349h438h461h453h390h305h225h114h74h
Data source: Sigulda September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sigulda During September

As September unfolds in Sigulda, Latvia, the chances of sunny weather hover around 28%, which marks a subtle but noteworthy dip from the summer months. While June and July enjoy sunny days in 55% and 50% of instances respectively, the lingering warmth of late summer transitions quickly into early autumn. This creates a fascinating contrast, as August sees a notable decline to 26%, hinting at the seasonal shift. In September, residents and visitors alike can still savor the fading summer light, though they should remain prepared for the increasing cloud cover that characterizes the approach of fall. The overall trend reveals that while sunshine is less frequent than in mid-summer, there are still opportunities to enjoy pleasant days amidst the changing foliage.

Percentage of Sunny Days in September in Sigulda

The chart illustrates the percentage of sunny days in Sigulda 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 Sigulda experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%21%32%37%34%55%50%26%29%33%18%20%
Data source: Sigulda September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sigulda in September

As autumn approaches in Sigulda, Latvia, September marks a transitional period with 12 hours of daylight, providing a gentle shift from the longer days of summer. Following the peak daylight of 17 hours in June and July, the sun begins to retreat, indicating the onset of shorter days. Although daylight decreases as September gives way to October, it remains a vibrant month, perfect for enjoying the beautiful landscapes as they begin to don their autumn hues. This gradual decrease in daylight underscores the shifting seasons, transitioning from the lush brightness of summer to the softer light of fall.

Average Daylight Hours in Sigulda for September

The chart illustrates the variation in daylight duration in Sigulda throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 26m9h 28m11h 52m14h 20m16h 34m17h 48m17h 8m15h 6m12h 42m10h 16m8h 1m6h 46m
Data source: Sigulda daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sigulda

As autumn approaches in Sigulda, Latvia, the winds begin to pick up subtly in September, registering an average speed of 4.2 m/s (9 mph). This marks a small increase from the calmer summer months, where wind speed dipped to its lowest at 2.8 m/s (6 mph) in June. The gentle breezes of September evoke a sense of transition, bridging the lighter summer air with the brisk winds characteristic of autumn. Following September, the wind speeds continue to rise, peaking in October at 4.9 m/s (11 mph), hinting at the seasonal shift that brings with it an invigorating coolness and the vibrant hues of fall foliage. Overall, September's winds carry with them a delightful mix of warmth and a refreshing crispness, capturing the essence of a landscape preparing for winter's embrace.

Average September Wind Speed in Sigulda

The chart displays monthly wind speed patterns in Sigulda, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.93.84.34.34.02.83.24.14.2 m/s4.94.64.2
Data source: Sigulda September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sigulda Compares to Other Months

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

In September, the weather in Sigulda features a comfortable temperature range, with minimums around -1°C (30°F) and maximums peaking at 27°C (80°F), accompanied by an average temperature of 13°C (56°F). This month sees relatively high humidity at 87% and substantial precipitation, totaling 87 mm (3.4 in) over about 14 days. In contrast, January presents a much harsher climate, with temperatures plunging to a minimum of -24°C (-11°F) and an average of -2°C (29°F). The maximum temperature barely reaches 8°C (46°F), while precipitation is lower at 46 mm (1.8 in) spread over 11 days, and humidity rises slightly to 93%. For a closer look at January conditions, visit Sigulda weather in January.

The weather in September contrasts sharply with that of February. September experiences a wider temperature range with a minimum of -1°C (30°F) and a maximum of 27°C (80°F), averaging around 13°C (56°F). In contrast, February is much colder, with lows reaching -23°C (-9°F) and highs of only 10°C (50°F), resulting in an average temperature of -2°C (28°F). Additionally, September sees more precipitation, totaling 87 mm (3.4 in) over 14 days, compared to February's 43 mm (1.7 in) over just 10 days. Humidity levels are slightly higher in February at 91%, compared to 87% in September. For more specific details on the conditions in February, you can visit Sigulda weather in February.

September and March present distinctly different weather patterns. In September, temperatures range from a minimum of -1°C (30°F) to a maximum of 27°C (80°F), with an average of 13°C (56°F). The month typically experiences 87 mm (3.4 in) of precipitation over about 14 days, coupled with a humidity level of 87%. In contrast, March is much colder, with a minimum of -21°C (-6°F) and a maximum of 14°C (57°F), and an average temperature of just 1°C (34°F). While it sees less precipitation at 55 mm (2.2 in) over 13 days, the humidity remains high at 90%. For more details, check out Sigulda weather in March.

When comparing the weather in September and April, it's evident that September tends to be warmer and wetter. In September, temperatures range from a chilly 1°C (30°F) at night to a comfortable 27°C (80°F) during the day, with an average temperature of 13°C (56°F). This month also sees around 87 mm (3.4 in) of precipitation over approximately 14 days, maintaining a constant humidity level of 87%.

In contrast, April features cooler temperatures, with lows dropping to -7°C (19°F) and highs reaching 24°C (76°F), averaging just 6°C (43°F). Additionally, April has lower rainfall totals of 47 mm (1.8 in) spread over 11 days, but the humidity level remains consistently high at 87%. For more detailed information on the specific weather patterns, you can check Sigulda weather in April.

September and May present notably different weather patterns. September boasts an average temperature of 13°C (56°F), while May's average is slightly cooler at 11°C (53°F). Both months experience maximum temperatures around 27°C (80°F to 81°F), but September tends to be warmer overall. Precipitation is also higher in September, with 87 mm (3.4 in) over 14 days compared to May's 58 mm (2.3 in) over just 10 days. Additionally, humidity levels in September are markedly higher at 87%, while May reaches a more comfortable 72%. For more information, visit Sigulda weather in May.

When comparing the weather in September and June, we notice distinct differences in temperature and precipitation. September generally has a broader temperature range, with minimums dipping to -1°C (30°F) and maximums reaching up to 27°C (80°F), while the average temperature settles at around 13°C (56°F). In contrast, June offers milder temperatures with minimums around 3°C (38°F), averages at 17°C (63°F), and maximums peaking at 32°C (89°F). Although September experiences slightly more rainfall at 87 mm (3.4 in) over 14 days, June's precipitation is also notable at 71 mm (2.8 in) across 12 days, but with lower humidity at 76%, compared to September's 87%. For more details about the weather conditions in June, you can check Sigulda weather in June.

In comparing the weather of September and July, July tends to be warmer, with average temperatures reaching about 18°C (65°F) and highs of 33°C (91°F). In contrast, September experiences a cooler average temperature of 13°C (56°F), with maximums around 27°C (80°F) and even dipping to a minimum of -1°C (30°F) at times. Precipitation levels are slightly higher in July at 92 mm (3.6 in) compared to September's 87 mm (3.4 in), but both months see a similar number of rainy days, with 13 days in July and 14 days in September. Additionally, September has higher humidity at 87%, while July's humidity is lower at 76%. For more detailed information, you can check Sigulda weather in July.

September experiences cooler temperatures compared to August, with minimums dropping to -1°C (30°F) and an average of 13°C (56°F), while August maintains milder conditions with minimums around 6°C (44°F) and an average of 17°C (63°F). The maximum temperatures in September reach 27°C (80°F), which is significantly lower than August's high of 32°C (89°F). Both months receive similar precipitation levels at 87 mm (3.4 in), but September has slightly more rainy days at 14 compared to 15 in August. Additionally, humidity levels are higher in September at 87%, compared to 80% in August. For more detailed information about the weather in August, visit Sigulda weather in August.

September and October showcase a notable transition in weather patterns. In September, temperatures range from a chilly -1°C (30°F) at night to a pleasant maximum of 27°C (80°F) during the day, with an average of 13°C (56°F). The month experiences 87 mm (3.4 in) of precipitation over 14 days, coupled with a humidity level of 87%. In contrast, October sees a decrease in temperatures, with minimums dropping to -4°C (25°F) and maximums peaking at 19°C (67°F), averaging around 8°C (47°F). While the precipitation remains similar at 84 mm (3.3 in), it occurs over a slightly longer period of 15 days, and humidity rises to 91%. For a detailed look into what to expect this month, check out Sigulda weather in October.

September and November exhibit notable differences in weather conditions. September typically boasts a maximum temperature of 27°C (80°F) and an average of 13°C (56°F), offering warmer days that gradually transition into cooler evenings. In contrast, November brings a sharp drop in temperatures, with a maximum of only 13°C (56°F) and an average that hovers around 4°C (39°F). Although September experiences higher precipitation levels at 87 mm (3.4 in) over 14 days, November's precipitation diminishes to 61 mm (2.4 in) spread across 13 days. Humidity remains relatively high in both months, peaking at 92% in November compared to September's 87%. For a more detailed look at November weather, you can visit Sigulda weather in November.

In September, the weather is significantly warmer, with average temperatures ranging from a low of -1°C (30°F) to a high of 27°C (80°F), bringing a comfortable atmosphere along with 87 mm (3.4 in) of precipitation over 14 days. On the other hand, December experiences much colder temperatures, with an average ranging from -18°C (-1°F) to a maximum of 9°C (49°F) and lower precipitation at 55 mm (2.2 in) also spread over 14 days. Notably, December's humidity is slightly higher at 93%, contributing to the crisp, wintery feel of the month. For more details, visit Sigulda weather in December.

Compare Sigulda's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sigulda

As September arrives in Sigulda, the weather ushers in a notable shift from the balmy summer days to a more temperate climate. Warm afternoons contrast with cool nights, creating a delightful atmosphere perfect for outdoor activities. While the month does see an uptick in precipitation days, the scenery transforms as the lush greenery begins to don autumn hues. With an average humidity of 87%, it feels refreshing, adding to the crispness of the air. For those seeking to explore the seasonal variations of this enchanting region, further insights can be found at Sigulda Climate.