September Weather in Brela, Croatia

Last updated: March 17, 2025

In Brela, Croatia, September offers a delightful blend of warm temperatures and refreshing breezes. The maximum temperature reaches up to 30°C (85°F), while the average settles at a comfortable 21°C (70°F). Although the month experiences occasional rain, with 107 mm (4.2 in) of precipitation over 8 days, humidity remains at a pleasant 69%. This perfect weather creates an inviting atmosphere for outdoor activities, making it an ideal time to explore the stunning coastal scenery and indulge in the local culture.

September Temperature in Brela

In September, Brela, Croatia, welcomes autumn with a delightful transition in temperatures. The minimum dips to a mild 11°C (52°F), allowing for comfortable mornings and evenings, while the average temperature maintains a pleasant 21°C (70°F), ideal for enjoying the last remnants of summer. With maximum daily highs peaking at 30°C (85°F), the days still offer plenty of warmth for sunbathing on the stunning Adriatic coast. As the month progresses, expect a gradual cooling trend that sets the stage for the cooler months ahead, making September a perfect blend of late summer heat and early autumn crispness.

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

The chart illustrates September temperature patterns in Brela, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434749556371757769615547
Data source: Temperature data for Brela 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 Brela

September in Brela, Croatia, marks a transitional period in precipitation patterns as summer fades into autumn. This month experiences an average rainfall of 107 mm (4.2 in) over approximately 8 days, making it noticeably wetter than the preceding summer months, which see minimal precipitation. The increase from August's 35 mm (1.4 in) signals the onset of autumnal weather, yet it remains a moderate amount compared to the heavy rainfall that follows in October and November. With 8 rain-soaked days, September strikes a balance, providing enough moisture to invigorate the landscape while still allowing for plenty of sunlit days, ideal for enjoying the stunning Adriatic coastline. As the year progresses, the precipitation trend noticeably intensifies, leading up to November's robust 273 mm (10.7 in), establishing September as a pivotal month in Brela’s yearly weather cycle.

September Precipitation Trends in Brela

The chart displays monthly precipitation patterns in Brela, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1111211099096442635107131273250
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Brela

In Brela, Croatia, September ushers in a welcome change in humidity levels, dropping to 69%, offering a refreshing contrast to the summer months. As the year progresses, a clear trend emerges: humidity steadily declines from a peak of 83% in January to its lowest in August at 65%, before slightly rebounding in the fall. This gradual decrease signifies a move away from the muggy summer heat, creating a comfortable atmosphere ideal for outdoor activities and exploration. While October sees humidity rise again to 76%, September stands out as a sweet spot, providing a perfect balance of warmth and freshness for visitors and residents alike.

September Average Humidity in Brela

This chart illustrates the average monthly humidity levels in Brela, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%73%75%78%75%71%65%69%76%81%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Brela

As summer fades into autumn, September in Brela, Croatia, presents a high UV Index of 7, indicating a notable decrease from the peak summer months but still requiring caution. With a burn time of 25 minutes, it's essential to be mindful of sun exposure, as the rays remain potent. This trend reflects a gradual decline in UV intensity as the year progresses; for instance, earlier months like July and August reach a peak of 10. By October, the UV Index dips further, emphasizing the importance of sun safety even as temperatures begin to cool. For more detailed insights on UV levels throughout the year, visit Brela UV Index.

Maximum UV Index Levels in Brela for September

The chart shows the monthly maximum UV Index (UVI) for Brela 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.
JanFebMarAprMayJunJulAugSepOctNovDec24678101097532
Data source: Brela 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 Brela

As summer gracefully fades, September in Brela, Croatia, remains a beacon of warm sunshine, offering a delightful 345 hours of radiant daylight. This month seals the sun-soaked peak of the season, where daily hours of sunlight begin their gradual decline from the heights of July's 435 hours. With a lingering warmth that invites both relaxation and adventure, September still shines brighter than the earlier months, significantly outpacing January’s mere 191 hours. As the beaches are less crowded and the sea retains its summer warmth, visitors can enjoy the best of both worlds—an idyllic blend of vibrant summer energy and the tranquil charm of early autumn.

Monthly Sunshine Duration in Brela: September Highlighted

The September sunshine duration represents the total number of hours Brela 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h251h326h357h396h419h435h403h345h314h239h230h
Data source: Brela September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Brela During September

As summer transitions into autumn, September in Brela, Croatia, maintains a healthy chance of sunshine with a 62% likelihood of sunny days. This marks a slight dip from the peak of summer months like July and August, which boast an impressive 71% and 74%, respectively. Despite this decrease, September still offers more sunny opportunities than several earlier months, such as June and May, showcasing the region's favorable weather patterns. Travelers can anticipate pleasant days filled with sunshine, making it a delightful time to explore the stunning coastlines and vibrant landscapes of Brela.

Percentage of Sunny Days in September in Brela

The chart illustrates the percentage of sunny days in Brela 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 Brela experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%52%58%49%53%69%71%74%62%55%28%43%
Data source: Brela September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Brela in September

As summer fades into autumn, September in Brela, Croatia, experiences a gentle transition in daylight, offering around 12 hours of sunlight. Following the long, sun-soaked days of July and August, this decline reflects the natural rhythm of the seasons. Daylight gradually shortens from the peak of 15 hours in June, illustrating a steady retreat as the year wanes. The shift into September hints at the onset of cooler temperatures, yet the lingering daylight still provides ample opportunity to bask in the stunning coastal views and vibrant sunsets that Brela is known for. As the month progresses, the landscape transforms, showcasing the beauty of autumn while still savoring the tail end of summer's embrace.

Average Daylight Hours in Brela for September

The chart illustrates the variation in daylight duration in Brela throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 22m10h 30m11h 57m13h 25m14h 41m15h 19m14h 59m13h 52m12h 27m10h 58m9h 41m9h 1m
Data source: Brela daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Brela

As September sweeps in, the winds in Brela, Croatia begin to whisper a gentler tune, with average speeds dropping to 2.3 m/s (5 mph). This marks a subtle transition from the summer months; both July and August enjoyed breezier conditions, sitting at 2.8 m/s (6 mph). The early autumn air brings a serene calm, inviting visitors to savor the warm, sun-kissed days in a peaceful setting. Looking ahead, October will see a slight uptick in wind speeds to 3.1 m/s (7 mph), hinting at the seasonal shift that lies just around the corner. September is indeed a time when the once-bustling coastal atmosphere slows down, offering a tranquil reprieve before the cooler months arrive.

Average September Wind Speed in Brela

The chart displays monthly wind speed patterns in Brela, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.33.13.43.42.52.82.82.3 m/s3.13.63.6
Data source: Brela September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Brela Compares to Other Months

The weather in Brela changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Brela and find detailed weather information for every month.

September and January present stark contrasts in weather characteristics. In September, temperatures range from a mild 11°C (52°F) at night to a warm 30°C (85°F) during the day, with an average of 21°C (70°F). The precipitation in September is 107 mm (4.2 in), occurring over about 8 days, coupled with a comfortable humidity level of 69%. In contrast, January sees much cooler conditions, with minimum temperatures dropping to -7°C (19°F) and maximums reaching only 15°C (60°F), averaging around 6°C (43°F). The month experiences slightly higher precipitation at 111 mm (4.4 in) over 11 days and increased humidity at 83%. For more detailed insights on winter conditions, check Brela weather in January.

September and February present distinct contrasts in weather patterns. In September, temperatures range from a mild 11°C (52°F) to a warm 30°C (85°F), with an average of 21°C (70°F). The month experiences about 107 mm (4.2 in) of rainfall across 8 days, coupled with a humidity level of 69%. In contrast, February sees much cooler temperatures, with a minimum of -3°C (26°F), an average of 8°C (47°F), and a maximum of 17°C (63°F). Precipitation increases slightly to 121 mm (4.7 in) over 9 days, and humidity rises to 76%. For more detailed insights into February conditions, you can visit Brela weather in February.

September and March present contrasting weather patterns. In September, temperatures are generally warmer, with minimums around 11°C (52°F) and maximums reaching up to 30°C (85°F), resulting in a pleasant average of 21°C (70°F). The month sees around 107 mm (4.2 in) of precipitation over approximately 8 days, with humidity levels at 69%. In contrast, March is much cooler, starting with minimum temperatures as low as -5°C (24°F) and averaging around 10°C (50°F), peaking at a maximum of 19°C (67°F). March experiences similar precipitation levels, about 109 mm (4.3 in), but over 10 days, coupled with slightly higher humidity at 73%. For more detailed insights into March weather, you can check Brela weather in March.

In comparing the weather of September and April, a noticeable contrast emerges. September boasts a more temperate climate with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (85°F), while April's temperatures are milder, averaging between 2°C (36°F) and 23°C (74°F). Additionally, September experiences higher precipitation levels, averaging 107 mm (4.2 in) over about 8 days, compared to April's 90 mm (3.6 in) spread across 10 days. Humidity is also slightly lower in September at 69%, whereas April's humidity reaches 75%. For more detailed insights into April weather, you can check out Brela weather in April.

When comparing the weather in September and May, several differences and similarities stand out. September typically presents warmer temperatures, with an average of 21°C (70°F) compared to May's cooler average of 17°C (63°F). The maximum temperatures in September can reach up to 30°C (85°F), while May peaks at 26°C (79°F). However, September also sees more precipitation, totaling 107 mm (4.2 in) over about 8 days, whereas May has slightly less with 96 mm (3.8 in) across 13 days. Humidity levels are also slightly lower in September at 69%, compared to 78% in May, making September feel more comfortable despite the higher temperatures. For a detailed look at May weather specifics, you can check Brela weather in May.

In comparing the weather between September and June, we notice a few notable differences. September tends to feature slightly milder temperatures, with a minimum of 11°C (52°F) and an average of 21°C (70°F), while June has slightly higher minimum temperatures starting at 13°C (56°F) and an average of 22°C (71°F). Both months can reach up to 30°C (85°F in September and 87°F in June), but June is generally characterized by lower precipitation levels, totaling 44 mm (1.7 in) across 7 days compared to September’s 107 mm (4.2 in) over 8 days. Additionally, humidity is a bit higher in June at 75%, compared to 69% in September. For more detailed information, you can check out the Brela weather in June.

In comparing the weather of September and July, September tends to be milder and slightly cooler, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (85°F), while July sees higher temperatures with a minimum of 17°C (63°F) and a maximum of 31°C (88°F). While September experiences higher precipitation at 107 mm (4.2 in) over approximately 8 days, July remains much drier with only 26 mm (1.0 in) across just 3 days. Additionally, humidity levels are relatively similar, with September at 69% and July at 71%. For more detailed insights into the warm weather typical of July, you can check Brela weather in July.

In comparing the weather of September to August, September shows a significant drop in temperatures, with a minimum of 11°C (52°F) compared to August's warmer minimum of 16°C (61°F). The average temperature also declines from 25°C (78°F) in August to 21°C (70°F) in September, though September can still reach a maximum of 30°C (85°F), slightly lower than August's peak of 33°C (91°F). Precipitation increases notably in September, with 107 mm (4.2 in) over 8 days, whereas August sees much less rain at 35 mm (1.4 in) over just 4 days, leading to slightly lower humidity levels in August at 65% compared to September's 69%. For more detailed insights, you can visit Brela weather in August.

September typically experiences warmer temperatures, with an average high of 30°C (85°F) compared to October's more moderate 23°C (75°F). While September sees a pleasant average temperature of 21°C (70°F) and a lower chance of rain, October presents a cooler feel with a significant drop to an average of 16°C (61°F). Additionally, October tends to have slightly more precipitation, accumulating 131 mm (5.1 in) over 9 days, compared to September's 107 mm (4.2 in) over 8 days. The humidity also increases, reaching 76% in October, compared to 69% in September. For a closer look at October conditions, check out Brela weather in October.

September and November exhibit drastically different weather patterns. In September, temperatures range from a pleasant minimum of 11°C (52°F) to a warm maximum of 30°C (85°F), with an average of 21°C (70°F), making it an ideal time for outdoor activities. However, with 107 mm (4.2 in) of rainfall over about 8 days, it’s not without its share of showers. In contrast, November sees a significant drop in temperature, with minimums dipping to 0°C (33°F) and averages around 13°C (55°F). The month is marked by increased precipitation, totaling 273 mm (10.7 in) over approximately 15 days, along with a higher humidity level of 81%. For more specific details on November weather, visit Brela weather in November.

September and December present stark contrasts in weather. In September, temperatures are notably warmer, with averages around 21°C (70°F) and a maximum of 30°C (85°F), while precipitation is relatively lower at 107 mm (4.2 in) over 8 days. Conversely, December brings a much cooler climate, with average temperatures dropping to 9°C (48°F) and a maximum of only 16°C (61°F). Moreover, precipitation increases significantly to 250 mm (9.9 in) across 15 days, accompanied by higher humidity levels of 81%. For more details on December weather conditions, you can visit Brela weather in December.

Compare Brela's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Brela

As summer transitions into autumn, September in Brela offers a delightful mix of warmth and mildness, distinguishing it from the hotter peak months. With average temperatures hovering around a comfortable 21°C (70°F), this month invites visitors to enjoy pleasant weather without the intense heat of July and August. Although brief rain showers may occur, resulting in 107 mm of precipitation over about 8 days, the overall humidity remains manageable at 69%. This moderate climate makes September an ideal time for exploring the stunning coastline and vibrant landscapes. For those curious about the seasonal shifts, detailed insights can be found in our guide on Brela Climate.