September Weather in Brezice, Slovenia

Last updated: August 27, 2025

In September, the charming town of Brezice, Slovenia experiences a delightful mix of weather, perfect for autumn exploration. With maximum temperatures reaching 33°C (91°F) and an average of 17°C (63°F), the days can be pleasantly warm, while cool nights offer a refreshing contrast, dipping to a minimum of 3°C (37°F). The region sees 126 mm (4.9 in) of precipitation over roughly 11 days, contributing to a humidity level of 62% that adds to the atmospheric ambiance. This combination of warmth and occasional rain creates an ideal setting for enjoying outdoor activities and exploring the natural beauty of Brezice throughout the month.

September Temperature in Brezice

In September, Brežice, Slovenia, begins to embrace the crispness of autumn as the temperatures gradually shift. The month welcomes cool mornings with a minimum temperature around 3°C (37°F), while afternoons can still be pleasantly warm, peaking at a comfortable 33°C (91°F). With an average of 17°C (63°F), it's a time when outdoor activities are still enjoyable, yet the heat of summer fades. This transitional period marks a notable decline from the sweltering highs of August, which still buzzed with temperatures reaching 38°C (101°F). As the days shorten and the scenery transforms, September's moderate climate invites both locals and visitors to savor the beauty of Brežice before the chill of fall sets in.

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

The chart illustrates September temperature patterns in Brezice, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brezice, 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).
JanFebMarAprMayJunJulAugSepOctNovDec344045536070727263544537
Data source: Temperature data for Brezice 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 Brezice

September in Brežice, Slovenia, marks a notable shift in precipitation patterns, boasting a significant 126 mm (4.9 in) of rainfall over 11 days. This increase positions September among the wetter months of the year, following the heavy rains of May. The transition reflects the onset of autumn, where moisture-laden clouds begin to dominate the sky. While the rainfall is relatively concentrated, it does not overshadow the relatively dry summer months, with July and August recording 96 mm and 88 mm, respectively. As the year progresses, September serves as a reminder of the changing seasons, ushering in cooler temperatures and setting the stage for the wetter months ahead.

September Precipitation Trends in Brezice

The chart displays monthly precipitation patterns in Brezice, 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 Brezice, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec40655470141909688126799689
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Brezice

In Brezice, Slovenia, September marks a transition as humidity begins to creep back up after the drier summer months. Following a significant decrease from a humid 89% in January to a low of 51% in August, September's humidity settles at a comfortable 62%. This slight increase sets the stage for the wetter autumn months, with October bringing humidity levels up to 81%. The trend showcases a gradual return to the higher humidity levels characteristic of the colder months, while still offering a refreshing reprieve from the summer heat.

September Average Humidity in Brezice

This chart illustrates the average monthly humidity levels in Brezice, 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 Brezice is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%83%75%72%70%69%64%51%62%81%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Brezice

As September arrives in Brezice, Slovenia, the UV Index reflects a high exposure category with a reading of 6, suggesting that while the sun's intensity is still significant, it begins to taper off from the peak summer months. With a burn time of 25 minutes, it’s essential for locals and visitors alike to be mindful of sun safety practices, especially as the days grow shorter and the warmth of summer starts to fade. This shift follows a trend of decreasing UV levels from the summer highs of 8 and 9 in July and August, highlighting a transition into the fall season. For a detailed look at UV levels throughout the year, check out Brezice UV Index.

Maximum UV Index Levels in Brezice for September

The chart shows the monthly maximum UV Index (UVI) for Brezice 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 Brezice typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Brezice 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 Brezice

As summer gives way to autumn, September in Brežice, Slovenia, witnesses a delightful transition with 322 hours of sunshine, signaling a gentle decline from the vibrant glow of July, which boasts its peak at 425 hours. The month retains a warm embrace, showcasing longer days compared to the cooler, darker months ahead, like October's 288 hours. With September nestled comfortably between the abundant light of summer and the diminishing days of fall, it captures the essence of change, making it a perfect time for outdoor adventures amidst the breathtaking landscapes. This gradual shift not only highlights September's sun-kissed charm but also emphasizes the favorable weather patterns that characterize this beautiful region as it moves into the fall season.

Monthly Sunshine Duration in Brezice: September Highlighted

The September sunshine duration represents the total number of hours Brezice 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.
JanFebMarAprMayJunJulAugSepOctNovDec165h224h306h335h370h405h425h391h322h288h198h208h
Data source: Brezice September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Brezice During September

In Brezice, Slovenia, the likelihood of sunny weather in September reaches a notable 52%, marking a pleasant transition from the warmer summer months. This figure is higher than average for the year, outpacing the percentages seen in both April and May, which hover around the mid-30s. Interestingly, while June and July show stronger sunshine presence, September's weather offers a delightful blend of warmth without the intense heat, making it an appealing choice for outdoor activities. As autumn approaches, the sunshine coupled with milder temperatures makes September a sweet spot for enjoying the stunning landscapes of Slovenia.

Percentage of Sunny Days in September in Brezice

The chart illustrates the percentage of sunny days in Brezice 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 Brezice experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%46%58%39%37%55%49%46%52%37%23%30%
Data source: Brezice September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Brezice in September

As September arrives in Brežice, Slovenia, the daylight hours begin to wane, gracefully shifting from the sun-drenched days of summer to the crispness of autumn. With approximately 12 hours of daylight, the month offers a balanced blend of sunlit mornings and early evenings, marking a gentle transition from the 15 hours of illumination seen in June and July. This gradual decrease reflects a natural rhythm of the seasons, as daylight slowly creeps back down towards the shorter days of October, which will soon offer only 10 hours. September serves as a reminder of the lush summer days while preparing the landscape for the more subdued tones of autumn, making it a captivating time for both residents and visitors.

Average Daylight Hours in Brezice for September

The chart illustrates the variation in daylight duration in Brezice throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 5m10h 21m11h 56m13h 33m14h 57m15h 39m15h 17m14h 3m12h 29m10h 52m9h 27m8h 42m
Data source: Brezice daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Brezice

As summer wanes and September arrives in Brežice, Slovenia, the wind begins to whisper softly, averaging 1.6 m/s (4 mph). This gentle breeze marks a transition from the languid summer months, where winds drifted even lower, reaching their annual low in August at 1.5 m/s (3 mph). With the fall season approaching, the winds show a slight uptick, hinting at the changes to come. Historically, September’s winds are a subtle reminder of the crisp air that lies ahead, resonating with the promise of autumn while gently nudging summer’s warmth into memory. In this picturesque town, the tranquil winds capture the essence of a peaceful transition, inviting residents and visitors alike to enjoy the serene beauty of the season.

Average September Wind Speed in Brezice

The chart displays monthly wind speed patterns in Brezice, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.32.12.22.11.71.81.51.6 m/s2.01.61.6
Data source: Brezice September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Brezice Compares to Other Months

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

In September, the weather in Brezice is characterized by warmer temperatures, with averages around 17°C (63°F) and highs reaching up to 33°C (91°F). This month sees significant precipitation of 126 mm (4.9 in) over approximately 11 days, along with a moderate humidity level of 62%. In contrast, January experiences much colder conditions, with average temperatures dropping to around 1°C (34°F) and minimums plummeting to -13°C (9°F). Precipitation is notably lower at 40 mm (1.6 in) over about 7 days, but humidity is higher at 89%. For more detailed information, you can check Brezice weather in January.

In September, the weather is generally warmer, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 33°C (91°F), averaging around 17°C (63°F). This month also experiences higher precipitation, with an average of 126 mm (4.9 in) over 11 days and a moderate humidity of 62%. In contrast, February presents a chillier climate, with temperatures dipping to a minimum of -11°C (12°F) and peaking at 21°C (69°F), resulting in an average of just 4°C (40°F). The month sees less precipitation at 65 mm (2.5 in) over 8 days, but higher humidity at 83%. For those interested in more details, you can check out Brezice weather in February.

September and March showcase contrasting weather patterns, providing a vivid transition between summer and spring. In September, temperatures range from a pleasant minimum of 3°C (37°F) to a warm average of 17°C (63°F), peaking at a scorching 33°C (91°F). This month also sees considerable rainfall, with 126 mm (4.9 in) occurring over 11 days and an average humidity of 62%. In stark contrast, March is much cooler, with temperatures dipping to a minimum of -15°C (6°F) and averaging around 7°C (45°F), peaking at 23°C (73°F). Precipitation is lighter at 54 mm (2.1 in) over about 10 days, though March's humidity is slightly higher at 75%. For more detailed insights, check Brezice weather in March.

In comparing the weather between September and April, we see notable differences in temperature and precipitation. September boasts a wider temperature range, with minimums of 3°C (37°F) and maximums reaching up to 33°C (91°F), while the average temperature settles around 17°C (63°F). In contrast, April experiences cooler conditions, with a minimum temperature of -7°C (20°F) and a maximum of 28°C (83°F), leading to an average of 12°C (53°F). Additionally, September tends to be wetter, with 126 mm (4.9 in) of precipitation across 11 days, compared to April's 70 mm (2.7 in) over 9 days. Humidity levels also differ slightly, with April being more humid at 72% versus September's 62%. For more details, check out Brezice weather in April.

In comparing the weather between September and May, we find both months exhibit mild temperatures but with distinct characteristics. September has a wider temperature range, with minimums of 3°C (37°F) and maximums reaching up to 33°C (91°F), while May's temperatures are slightly cooler, ranging from a minimum of 2°C (35°F) to a maximum of 31°C (87°F). Precipitation in September totals 126 mm (4.9 in) over 11 days, while May experiences a bit more rainfall, with 141 mm (5.6 in) spread across 17 days. Additionally, May has higher humidity at 70%, compared to September's 62%. For a detailed look at the weather conditions in May, you can visit Brezice weather in May.

In comparing the weather of September and June, September tends to have a more significant temperature range, with minimums as low as 3°C (37°F) and maximums reaching up to 33°C (91°F), while June starts warmer, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 36°C (96°F). Rainfall is more frequent in September, with 126 mm (4.9 in) over 11 days compared to June's 90 mm (3.6 in) and the same number of rainy days. Humidity is also slightly higher in June at 69%, compared to 62% in September. For more details, you can refer to Brezice weather in June.

In comparing the weather between September and July, September presents a wider temperature range, with minimum temperatures dropping to 3°C (37°F) and maximums reaching up to 33°C (91°F), resulting in an average of 17°C (63°F). This month also experiences a moderate level of precipitation at 126 mm (4.9 in) over approximately 11 days, accompanied by a humidity level of 62%. In contrast, July tends to be warmer, with a minimum temperature of 10°C (50°F) and maximums soaring to 36°C (96°F) for an average of 22°C (72°F). It also has less rainfall, totaling 96 mm (3.8 in) over about 12 days, coupled with slightly higher humidity at 64%. For more detailed insights, you can visit Brezice weather in July.

September experiences cooler temperatures compared to August, with a minimum of 3°C (37°F) and an average of 17°C (63°F), while August sees a warmer minimum of 8°C (46°F) and an average of 22°C (73°F). The maximum temperatures in September reach up to 33°C (91°F), which is lower than August’s peak of 38°C (101°F). Additionally, September is wetter, receiving 126 mm (4.9 in) of precipitation over 11 days, compared to August’s 88 mm (3.5 in) in the same number of days. Humidity levels are also higher in September at 62%, compared to 51% in August. For more details, check out Brezice weather in August.

September weather tends to showcase a wider range of temperatures, with minimums around 3°C (37°F) and maximums soaring up to 33°C (91°F), leading to an average of 17°C (63°F). This month also experiences significant precipitation, totaling 126 mm (4.9 in) over 11 days, accompanied by relatively moderate humidity levels of 62%. In contrast, October marks a clear transition into cooler conditions, with minimum temperatures dropping to 0°C (32°F) and maximums reaching 25°C (78°F), resulting in a lower average of 12°C (54°F). Precipitation decreases to 79 mm (3.1 in) across 8 days, while humidity rises to 81%. For a more detailed look at the October weather specific to Brežice, you can visit Brezice weather in October.

September and November present quite a contrast in weather conditions. In September, temperatures range from a low of 3°C (37°F) to a warm average of 17°C (63°F), peaking at 33°C (91°F). The month sees an average precipitation of 126 mm (4.9 in) over 11 days, with humidity at 62%. Conversely, November brings cooler temperatures, with a minimum of -4°C (25°F), an average of 7°C (45°F), and a maximum of 21°C (70°F). Precipitation decreases to 96 mm (3.8 in) over the same number of rainy days, while humidity rises significantly to 87%. For more specific insights into November's weather, you can check Brezice weather in November.

September and December present stark contrasts in weather conditions. September features a wide temperature range, with minimums at 3°C (37°F) and maximums peaking at a warm 33°C (91°F), resulting in an average of 17°C (63°F). The month experiences moderate rainfall, totaling 126 mm (4.9 in) over 11 days, alongside a humidity level of 62%. In contrast, December brings a much colder climate, where temperatures drop significantly, with minimums reaching -9°C (15°F) and an average of just 3°C (37°F). The maximum temperature in December peaks at 18°C (64°F), but overall, the month sees less precipitation at 89 mm (3.5 in) over 10 days, coupled with higher humidity at 88%. For more detailed information, you can check Brezice weather in December.

Compare Brezice's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Brezice

As September rolls in, Brezice experiences a delightful transition from the summer heat to the crispness of autumn. This month showcases warmer days, peaking at a maximum of 33°C (91°F), while evenings turn pleasantly cool, dipping down to around 3°C (37°F). With an average temperature of 17°C (63°F), it offers a comfortable balance not found in the sweltering peak of summer. Though precipitation is more frequent, with about 11 days recording light rain and moderate humidity levels of 62%, this shift brings life to the landscape, painting the surroundings in vibrant autumn hues. For a comprehensive understanding of Brezice's distinct climate patterns, explore Brezice Climate.