September Weather in Novalja, Croatia

Last updated: March 17, 2025

In September, Novalja, Croatia, offers a delightful blend of warm and mild weather, with maximum temperatures soaring up to 33°C (91°F) and an average of 20°C (68°F). As the summer heat begins to wane, the minimum temperatures can dip to a refreshing 8°C (46°F). It's a month of transition, featuring 9 days of rainfall totaling 136 mm (5.3 in), contributing to a comfortable humidity level of 64%. This combination creates an ideal atmosphere for enjoying the vibrant natural beauty and cultural richness of this charming coastal destination.

September Temperature in Novalja

As September arrives in Novalja, Croatia, the summer warmth begins to gracefully transition into the cooler months. The temperatures during this time reflect this shift, with minimums around 8°C (46°F) and averages reaching up to 20°C (68°F). Days can still be quite warm, peaking at a comfortable 33°C (91°F), making it a delightful time for beach outings and outdoor activities. This month serves as a bridge, offering a balmy aftertaste of summer while hinting at the cooler fall ahead. As the warm days linger, visitors can relish the vibrant atmosphere before the crisp autumn air begins to settle in.

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

The chart illustrates September temperature patterns in Novalja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414447556272767767595245
Data source: Temperature data for Novalja 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 Novalja

September in Novalja, Croatia, marks a notable transition in precipitation patterns as the region prepares for the approaching autumn. With 136 mm (5.3 in) of rain recorded over 9 days, this month experiences a significant uptick in rainfall compared to the drier summer months, indicating a shift towards wetter conditions. Following the relatively mild summer, September's precipitation sets the stage for the increased rainfall typical in the following months, as both October and November see higher averages of 127 mm (5.0 in) and 195 mm (7.7 in), respectively. This trend underscores the changing climate in Novalja, where the warm, dry spell of summer gives way to a series of rainier days, preparing the landscape for the vibrant hues of fall.

September Precipitation Trends in Novalja

The chart displays monthly precipitation patterns in Novalja, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9713110285113414249136127195208
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Novalja

In September, Novalja, Croatia experiences a noticeable increase in humidity, with levels rising to 64%. This marks a transition from the typically low humidity of summer, where August enjoys a comfortable 51%. As autumn approaches, the shift is palpable; while the days may still be warm, the air begins to feel heavier, hinting at the onset of the wetter months ahead. Following September, humidity levels surge significantly, peaking in the colder months, particularly in October and November, where figures soar to 83% and 89%, respectively. This trend illustrates how Novalja's climate balances the warmth of summer with the moisture-rich air of autumn, creating a unique and dynamic atmospheric experience.

September Average Humidity in Novalja

This chart illustrates the average monthly humidity levels in Novalja, 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 Novalja

In September, Novalja experiences a UV Index of 7, indicating a high exposure category, which allows for a burn time of about 25 minutes. As summer transitions into autumn, the UV levels begin to moderate compared to the peak months of June and July, which both recorded a very high index of 9. This gradual decline in UV intensity offers a more forgiving sun, yet it’s still essential to be cautious, especially during midday. As you soak in the sun's rays in this beautiful coastal town, be sure to keep an eye on the UV index trends throughout the year. For a detailed look at the UV levels, check out Novalja UV Index.

Maximum UV Index Levels in Novalja for September

The chart shows the monthly maximum UV Index (UVI) for Novalja 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.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Novalja 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 Novalja

September in Novalja, Croatia, offers a delightful blend of summer warmth and autumn serenity, boasting 342 hours of sunshine. As the peak of summer fades, sunlight gently wanes compared to the bustling months of July and August, which enjoy 435 and 405 hours, respectively. This transition marks the beginning of a gradual decline in sunshine towards the cooler autumn months, highlighted by October’s 310 hours and November’s 239 hours. September's abundant sunshine creates ideal conditions for exploring the stunning coastline and vibrant culture, allowing visitors to relish the lingering warmth while enjoying fewer crowds. In essence, this month captures the tail end of summer’s glory, making it an enchanting time to experience Novalja's charm.

Monthly Sunshine Duration in Novalja: September Highlighted

The September sunshine duration represents the total number of hours Novalja 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.
JanFebMarAprMayJunJulAugSepOctNovDec192h241h325h360h398h423h435h405h342h310h239h232h
Data source: Novalja September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Novalja During September

In September, Novalja, Croatia enjoys a remarkable 63% chance of sunny weather, making it one of the more favorable months for sun-seekers. This slight dip from the peak summer months of July and August, which boast chances of 60% and 67% respectively, still ensures plenty of sunshine for outdoor activities and beach relaxation. As the year progresses, September's sun luck holds steady compared to the preceding months like June (62%) and is a welcome contrast to the cloudier days that follow in autumn, where October sees a 54% chance. Overall, September serves as a delightful bridge between the vibrant summer and the cooler, more overcast months ahead.

Percentage of Sunny Days in September in Novalja

The chart illustrates the percentage of sunny days in Novalja 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 Novalja experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%45%65%47%48%62%60%67%63%54%30%40%
Data source: Novalja September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Novalja in September

As summer fades into autumn, September in Novalja, Croatia, offers a gentle transition with 12 hours of daylight. Following the sun-drenched days of July and August, which each bask in 15 hours, September marks a slight decline as the days shorten. This month is ideally positioned between the vibrant daylight of summer and the encroaching twilight of autumn, featuring longer days than what follows in October, which sees daylight drop to 10 hours, and November, further reducing to 9 hours. As the season shifts, the gradual tapering of daylight in September is a poignant reminder of the changing seasons, inviting visitors to savor the lingering warmth of early fall.

Average Daylight Hours in Novalja for September

The chart illustrates the variation in daylight duration in Novalja throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 15m10h 26m11h 56m13h 29m14h 48m15h 28m15h 7m13h 57m12h 28m10h 56m9h 35m8h 53m
Data source: Novalja daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Novalja

As summer wanes and September unfolds in Novalja, Croatia, the gentle breezes signal a shift in the season. With an average wind speed of 2.0 m/s (5 mph), the winds are at their calmest since early spring, evoking a serene atmosphere perfect for leisurely strolls along the picturesque coastline. This slight decrease in wind speed contrasts with the energetic gusts of earlier months, reflecting a transition into a more tranquil time of year. As autumn approaches, the winds gradually pick up again in October and November, hinting at the change of seasons while still allowing visitors to bask in the lingering warmth of late summer.

Average September Wind Speed in Novalja

The chart displays monthly wind speed patterns in Novalja, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.82.52.62.42.02.32.32.0 m/s2.83.02.6
Data source: Novalja September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Novalja Compares to Other Months

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

September and January present significantly contrasting weather conditions. In September, the temperatures range from a mild 8°C (46°F) at night to a warm 33°C (91°F) during the day, averaging around 20°C (68°F). Additionally, the month experiences considerable rainfall, totaling 136 mm (5.3 in) over about 9 days, with humidity levels at 64%. In stark contrast, January is characterized by much colder temperatures, with nightly lows plunging to -10°C (15°F) and daytime highs barely reaching 14°C (58°F), averaging only 5°C (41°F). Precipitation in January is lower at 97 mm (3.8 in) over the same 9 days, but the humidity is notably higher at 88%. For more detailed information about January weather, you can visit Novalja weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a comfortable 8°C (46°F) at night to a warm 33°C (91°F) during the day, with an average of 20°C (68°F). The month experiences moderate precipitation of 136 mm (5.3 in) over about nine days, alongside a relatively mild humidity level of 64%. In stark contrast, February sees much colder temperatures with a minimum of -7°C (19°F) and a maximum of 19°C (66°F), averaging only 7°C (45°F). Although February's precipitation is slightly less at 131 mm (5.2 in), it occurs more frequently over 12 days, and the humidity rises significantly to 82%. For more detailed conditions in February, you can visit Novalja weather in February.

September and March present distinct weather contrasts. September boasts milder temperatures with a minimum of 8°C (46°F) and an average of 20°C (68°F), peaking at a warm 33°C (91°F). This month also experiences significant rainfall, with 136 mm (5.3 in) spread over 9 days and a humidity level of 64%. In contrast, March is much colder, featuring a chilling minimum of -9°C (16°F) and an average temperature of only 9°C (48°F), reaching a maximum of 22°C (71°F). Although it has slightly less precipitation at 102 mm (4.0 in) over 10 days, the humidity is higher at 73%. The shift in weather between these two months reflects the transition from summer warmth to late winter chill. For more detailed information, you can check Novalja weather in March.

When comparing the weather between September and April, the differences are quite pronounced. September enjoys warmer temperatures, with a minimum of 8°C (46°F) and an average high reaching 33°C (91°F), while April starts chilly with temperatures dropping to a minimum of -1°C (31°F) and an average peak of 25°C (77°F). Additionally, September experiences higher precipitation levels at 136 mm (5.3 in) over 9 days, compared to April's 85 mm (3.3 in) across 10 days. Notably, April is more humid, with levels at 73%, versus September's 64%. For more detailed insights about April weather, you can visit Novalja weather in April.

September generally offers warmer weather compared to May, with average temperatures reaching 20°C (68°F) and maximums soaring to 33°C (91°F), while May's averages hover around 17°C (63°F) with a peak of 28°C (82°F). However, September faces slightly higher humidity levels at 64%, while May has 70%, contributing to a somewhat muggy atmosphere. Precipitation in September is still notable, with 136 mm (5.3 in) falling over about 9 days, compared to May's 113 mm (4.4 in) over 13 days. For a more detailed look at the weather conditions in May, you can check Novalja weather in May.

In comparing the weather of September and June, we observe some notable differences. September typically presents a broader temperature range, with minimums around 8°C (46°F) and maximums reaching up to 33°C (91°F), resulting in an average of 20°C (68°F). In contrast, June's temperatures are generally warmer, with minimums at 11°C (52°F) and maximums peaking at 35°C (96°F), giving an average of 22°C (73°F). Additionally, September experiences significantly more rainfall, totaling 136 mm (5.3 in) over about 9 days, compared to June's lighter precipitation of 40 mm (1.6 in) spread across just 5 days. Humidity levels are also slightly higher in June at 69%, compared to September's 64%. For a more detailed look at June weather, you can check Novalja weather in June.

When comparing the weather in September and July, a noticeable difference in temperature and precipitation emerges. September experiences a wider temperature range, with minimums dropping to 8°C (46°F) and maximums reaching 33°C (91°F), while July is consistently warmer, with temperatures between 15°C (59°F) and 34°C (93°F). Additionally, September sees significantly higher precipitation, totaling 136 mm (5.3 in) over 9 days, compared to July's 42 mm (1.6 in) across just 6 days. Humidity levels remain similar in both months, hovering around 64% in September and 63% in July. For those interested in exploring more about July weather, check Novalja weather in July.

In comparing the weather of September and August, September tends to be cooler with average daily temperatures ranging from a minimum of 8°C (46°F) to a maximum of 33°C (91°F), compared to August's milder range of 13°C (56°F) to 36°C (96°F). August typically sees higher temperatures and lower humidity levels at 51%, while September has a more humid atmosphere at 64%. Additionally, September experiences significantly more rainfall, with 136 mm (5.3 in) over 9 days, in contrast to August's 49 mm (1.9 in) over just 5 days. For more details on the conditions in August, you can visit Novalja weather in August.

In September, temperatures range from a cool 8°C (46°F) to a warm 33°C (91°F), with an average of 20°C (68°F). The month is relatively wet, receiving 136 mm (5.3 in) of precipitation over 9 days and maintaining a humidity level of 64%. In contrast, October ushers in cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 24°C (76°F), averaging 15°C (59°F). Rainfall slightly decreases to 127 mm (5.0 in) over 10 days, but humidity rises to 83%. For more details on the October weather, you can visit Novalja weather in October.

September and November display quite distinct weather patterns. In September, temperatures range from a comfortable minimum of 8°C (46°F) to a maximum of 33°C (91°F), with an average of 20°C (68°F). The month experiences 136 mm (5.3 in) of precipitation over about 9 days, with a humidity level of 64%. In contrast, November brings much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 20°C (69°F), averaging just 11°C (52°F). The precipitation increases significantly to 195 mm (7.7 in) across 13 days, and humidity rises to a notable 89%. For more details on weather conditions during this time, check out Novalja weather in November.

September and December present markedly different weather conditions. In September, temperatures can range from a mild 8°C (46°F) at night to a warm 33°C (91°F) during the day, with an average temperature of 20°C (68°F). The month sees around 136 mm (5.3 in) of precipitation over about 9 days, accompanied by a moderate humidity of 64%. In contrast, December brings colder weather, with temperatures dipping as low as -5°C (23°F) and peaking at only 16°C (61°F), resulting in an average of 7°C (45°F). This month also sees more precipitation, totaling 208 mm (8.2 in) over 14 days, and a notable increase in humidity to 88%. For more details, check out Novalja weather in December.

Compare Novalja's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Novalja

As September rolls in, Novalja's weather showcases a delightful transition from the summer heat into the softer embrace of autumn. With maximum temperatures soaring to a warm 33°C and an average temperature of around 20°C, this month offers a perfect blend of summer warmth and cooler evenings. However, be prepared for a bit more rain, as September sees increased precipitation compared to the hot, dry summer months, bringing 136 mm of rain over approximately 9 days. The humidity at 64% makes the air feel pleasant rather than stifling, creating an inviting atmosphere for outdoor adventures and beach walks. For those looking to plan a visit, this is a fantastic time to experience the beauty of Novalja. For more detailed insights, check out Novalja Climate.