September Weather in Porec, Croatia

Last updated: March 17, 2025

September in Porec, Croatia offers a delightful transition into autumn, with maximum temperatures reaching a pleasant 28°C (83°F) and an average of 22°C (71°F). As days begin to cool, the minimum temperatures dip to a refreshing 14°C (57°F), making it ideal for outdoor activities. However, this month also brings a bit of moisture, with an average precipitation of 151 mm (5.9 in) spread across approximately 10 days. Humidity hovers around 64%, adding a cozy feeling to the mild air. Overall, September is a beautiful time to experience Porec's charm, blending warm days with the gentle onset of autumn.

September Temperature in Porec

September in Porec, Croatia, marks a delightful transition into autumn, showcasing a warm climate that still feels reminiscent of summer. With minimum temperatures around 14°C (57°F) and an inviting average of 22°C (71°F), days are comfortably warm, perfect for enjoying the Mediterranean ambiance. The maximum temperatures can reach a pleasant 28°C (83°F), providing ample opportunities for sun-soaked afternoons by the sea. As the month progresses, you can expect a slight dip in warmth compared to the peak summer months, yet the overall mildness remains a significant highlight, making September an excellent time for outdoor activities and exploring the picturesque landscapes of Porec.

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

The chart illustrates September temperature patterns in Porec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464850566373777971645650
Data source: Temperature data for Porec 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 Porec

In September, Porec experiences a significant increase in precipitation, with 151 mm (5.9 in) falling over 10 days. This uptick marks a notable shift from the drier summer months, where rainfall hovered between 42 mm and 53 mm. The transition to autumn is characterized by this wetter pattern, aligning with a broader trend seen in previous months, as October and November also showcase similar rainfall amounts of 80 mm and 151 mm, respectively. This seasonal change not only brings a welcome respite to the summer dryness but also sets the stage for the lush landscapes of Croatia as it heads into the fall.

September Precipitation Trends in Porec

The chart displays monthly precipitation patterns in Porec, 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.
JanFebMarAprMayJunJulAugSepOctNovDec519650719353425015180151135
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Porec

September in Porec, Croatia, marks a transition in humidity levels as the summer months give way to autumn. With an average humidity of 64%, September is notably more humid than the preceding August, which saw a much drier 51%. This slight uptick in humidity as fall approaches reflects a gradual reintroduction of moisture into the air, setting the stage for the wetter months ahead. As we move into October, humidity levels rise significantly to 83%, reinforcing the coastal city's reputation for lush, vibrant landscapes. Overall, September serves as a bridge, where the warmth of summer lingers, but the essence of fall begins to envelop Porec.

September Average Humidity in Porec

This chart illustrates the average monthly humidity levels in Porec, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Porec

As summer transitions into autumn, Porec, Croatia experiences a noticeable drop in UV Index values, with September recording a UV Index of 7, classified as high. This shift reflects a gradual decline from the intense very high levels seen during the peak of summer months, where skin burn time reduced dramatically to just 15 minutes. In contrast, visitors in September can safely enjoy the sun for up to 25 minutes before risking sunburn. This moderate exposure requires mindful sun protection, especially as the weather remains pleasant for outdoor activities. The month still offers ample sunshine, making it essential to stay informed about the changing UV levels. For those looking to plan their sun-soaked adventures, further details can be found at Porec UV Index.

Maximum UV Index Levels in Porec for September

The chart shows the monthly maximum UV Index (UVI) for Porec 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Porec 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 Porec

September in Porec, Croatia, presents a delightful blend of warmth and sunshine, offering 334 hours of golden rays. As summer fades, this month showcases a subtle decline in sunshine compared to the peak of July with its impressive 432 hours. However, the lingering warmth ensures that visitors can still bask in the beauty of the Adriatic coast. Transitioning from the vibrant days of August, which totaled 400 hours, September reveals a gradual shift towards autumn, yet remains significantly sunnier than the colder months ahead, like October and November. This trend highlights why September is often considered one of the most charming times to explore Porec, allowing for both relaxation and adventure under a beautiful sun-drenched sky.

Monthly Sunshine Duration in Porec: September Highlighted

The September sunshine duration represents the total number of hours Porec 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.
JanFebMarAprMayJunJulAugSepOctNovDec185h231h320h352h385h421h432h400h334h302h237h219h
Data source: Porec September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porec During September

In September, Porec, Croatia, enjoys a promising 60% chance of sunny weather, making it an inviting destination for those seeking a late-summer escape. This percentage reflects a notable trend of increasing sunshine from earlier months, with August peaking at 65%. As the summer begins to wane, the likelihood of clear skies remains high, particularly when compared to the more overcast winter months that follow, such as January and November with just 32% and 33% chance of sun, respectively. Overall, September stands out as an excellent time to bask in the sun and savor the warmth before autumn settles in.

Percentage of Sunny Days in September in Porec

The chart illustrates the percentage of sunny days in Porec 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 Porec experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%41%66%47%46%58%53%65%60%51%33%36%
Data source: Porec September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porec in September

As September unfolds in Porec, Croatia, daylight begins to gently wane, with approximately 12 hours of sunshine illuminating the city's stunning coastal views. This month marks a transition, following the sun-drenched days of summer where July and August offered a peak of 15 hours of daylight. The gradual decline in daylight mirrors the changing seasons, inviting locals and visitors alike to savor the lingering warmth and vibrant colors of early autumn. As the days grow shorter and the evenings cool down, September serves as a perfect reminder of nature's rhythm, blending the last hints of summer with the subtle approach of fall.

Average Daylight Hours in Porec for September

The chart illustrates the variation in daylight duration in Porec throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 10m10h 23m11h 56m13h 31m14h 52m15h 34m15h 12m14h12h 28m10h 54m9h 30m8h 47m
Data source: Porec daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Porec

In September, Porec, Croatia experiences a gentle breeze with an average wind speed of 3.3 m/s (7 mph), marking a subtle decrease after the summer months. This transition signifies the gradual shift towards autumn, where the winds are cooler yet still temperate compared to the year’s peak speeds. Historically, July and October boast higher winds at 3.7 m/s (8 mph) and 4.9 m/s (11 mph) respectively, while February grapples with the calmest months averaging just 3.7 m/s (8 mph). As the season changes, Porec's September wind offers a refreshing reprieve, inviting locals and visitors alike to enjoy the serene coastal beauty before the onset of winter's chill.

Average September Wind Speed in Porec

The chart displays monthly wind speed patterns in Porec, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.43.73.44.34.73.13.73.93.3 m/s4.94.83.5
Data source: Porec September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Porec Compares to Other Months

The weather in Porec 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 Porec and find detailed weather information for every month.

September weather is characterized by mild temperatures, with a minimum of 14°C (57°F) and an average of 22°C (71°F), peaking at 28°C (83°F). This month experiences higher precipitation levels, with around 151 mm (5.9 in) over approximately 10 days, alongside a humidity level of 64%. In contrast, January presents a much colder climate, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 14°C (57°F), averaging around 8°C (46°F). Precipitation is considerably lower, at 51 mm (2.0 in) over about 7 days, but humidity rises to 88%, creating a stark contrast to the drier and warmer September. For more details, check Porec weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a mild 14°C (57°F) at night to a warm 28°C (83°F) during the day, averaging around 22°C (71°F). The month experiences significant rainfall, totaling 151 mm (5.9 in) over about 10 days, with humidity levels around 64%. In stark contrast, February boasts much colder temperatures, with a minimum of -3°C (27°F) and a maximum of 14°C (57°F), averaging only 9°C (48°F). This month has less total precipitation at 96 mm (3.8 in), also spread over 10 days, but with higher humidity at 82%. For those interested in exploring February weather specifics, further information can be found at Porec weather in February.

September and March offer contrasting weather patterns that significantly influence the climate experience. In September, temperatures range from a balmy 14°C (57°F) at night, peaking at 28°C (83°F) during the day, with an average of 22°C (71°F). This month sees more precipitation, totaling 151 mm (5.9 in) over about 10 days, and a humidity level of 64%. In contrast, March experiences much cooler temperatures, with nighttime lows plummeting to -3°C (27°F) and daytime highs only reaching 16°C (62°F), averaging around 10°C (50°F). Precipitation is considerably lower at 50 mm (2.0 in) over 7 days, accompanied by a slightly higher humidity of 73%. For a closer look at weather conditions in March, you can refer to Porec weather in March.

When comparing the weather in September and April, notable differences emerge. September typically boasts warmer temperatures, with averages around 22°C (71°F) and highs reaching 28°C (83°F), while April's cooler climate features average temperatures of just 13°C (56°F) and highs around 20°C (69°F). Additionally, September experiences significantly more rainfall, totaling 151 mm (5.9 in) over about 10 days, compared to April's lighter precipitation of 71 mm (2.8 in) across 8 days. Humidity levels are relatively high in both months, with April slightly higher at 73% compared to September's 64%. For more detailed insights, you can check out Porec weather in April.

In comparing the weather of September and May, we notice distinct differences in temperature and precipitation patterns. September typically experiences milder temperatures, with a minimum of 14°C (57°F) and an average of 22°C (71°F), peaking at 28°C (83°F). In contrast, May starts off cooler, with a minimum of 10°C (49°F) and an average of 17°C (64°F), reaching a maximum of 24°C (76°F). When it comes to precipitation, September sees higher rainfall with 151 mm (5.9 in) over about 10 days, while May has less, with 93 mm (3.7 in) spread over 12 days. Additionally, September has a humidity level of 64%, slightly lower than May's 70%. For more detailed information on May weather in Porec, you can check this link: Porec weather in May.

When comparing the weather in September and June, we notice a few distinct differences. September typically has a slightly lower temperature range, with minimums around 14°C (57°F) and maximums reaching 28°C (83°F), while June sees warmer temperatures, with minimums of 16°C (61°F) and maximums peaking at 31°C (88°F). Precipitation is also more prevalent in September, averaging 151 mm (5.9 in) over about 10 days, compared to June's lighter rainfall of 53 mm (2.1 in) over just 5 days. Additionally, September has a humidity level of 64% compared to June's 69%, making the air feel more humid earlier in the summer. For more detailed information, you can check out Porec weather in June.

When comparing the weather in September and July, it’s evident that September experiences a more varied temperature range, with minimums dipping to 14°C (57°F) and maximums reaching 28°C (83°F), while July generally stays warmer with minimums of 19°C (67°F) and maximums around 29°C (85°F). September also sees significantly more rainfall, averaging 151 mm (5.9 in) over about 10 days, compared to July's much drier 42 mm (1.7 in) over just 4 days. Humidity levels are fairly similar, with September at 64% and July at 63%, making both months feel relatively comfortable despite the differences in temperature and precipitation. For more details, you can check Porec weather in July.

In comparing the weather of September and August, it is clear that September experiences cooler temperatures, with a minimum of 14°C (57°F) and a typical daily average of 22°C (71°F), compared to August's minimum of 18°C (64°F) and an average of 26°C (79°F). Additionally, September is marked by significantly higher precipitation, with 151 mm (5.9 in) over 10 days, while August sees only 50 mm (2.0 in) over just 5 days. The humidity also rises in September to 64%, compared to August’s more comfortable 51%. For more detailed weather information, you can check Porec weather in August.

September generally enjoys warmer temperatures compared to October, with average highs reaching 28°C (83°F) and lows around 14°C (57°F), while October sees a drop in average temperatures, with highs of 23°C (73°F) and lows of 11°C (53°F). Additionally, September tends to be wetter, receiving 151 mm (5.9 in) of precipitation over 10 days, whereas October experiences less rainfall, totaling 80 mm (3.1 in) across 8 days. The humidity also rises in October, reaching 83%, compared to 64% in September. For more detailed information about October weather, you can check Porec weather in October.

In September, the weather typically sees a minimum temperature of 14°C (57°F) and an average of 22°C (71°F), peaking at a comfortable 28°C (83°F). The month features around 151 mm (5.9 in) of precipitation spread over approximately 10 days, with humidity levels averaging 64%. In contrast, November brings a noticeable drop in temperatures, with a minimum of 6°C (43°F) and an average of 14°C (57°F), reaching a maximum of 20°C (68°F). Although the precipitation remains similar at 151 mm (6.0 in), it occurs over more days, totaling about 13, and humidity rises significantly to 89%. This transition from the warmer, drier September to the cooler, wetter November can significantly impact outdoor activities. For more details, check out Porec weather in November.

September and December display markedly different weather patterns. In September, temperatures are notably warmer, with a minimum of 14°C (57°F) and an average of 22°C (71°F), peaking at 28°C (83°F). This month also sees a fair amount of rain, totaling 151 mm (5.9 in) over about 10 days, coupled with a humidity level of 64%. In contrast, December feels much cooler, with a minimum temperature of just 4°C (40°F) and an average of 10°C (50°F), reaching a maximum of 16°C (61°F). Although December has slightly less precipitation, at 135 mm (5.3 in) over 12 days, the humidity rises significantly to 88%. For a more detailed look at December weather, check out Porec weather in December.

Compare Porec's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Porec

As September arrives in Porec, visitors can expect a delightful transition into autumn, characterized by mild temperatures and reduced humidity compared to the sizzling summer months. The weather is pleasantly warm during the day, making it ideal for exploring outdoor attractions, while cooler evenings invite cozy gatherings. While September does see a slight uptick in precipitation, with occasional showers, this adds a refreshing touch to the scenery rather than detracting from outdoor plans. Overall, the month offers a unique blend of warmth and comfort, setting Porec apart from the peak summer heat. For more detailed insights, check out Porec Climate.