Last updated: March 17, 2025
September in Umag, Croatia presents a delightful transition into autumn, with temperatures typically peaking at a comfortable 28°C (82°F) and averaging around 22°C (71°F). While the minimum temperature drops to a refreshing 14°C (57°F), visitors can expect a pleasant climate to explore. This month also sees an average precipitation of 171 mm (6.7 in) over approximately 10 days, contributing to the region's lush landscapes. With humidity levels averaging 64%, the balmy air enhances the charm of this coastal gem, making September an ideal time for both relaxation and adventure.
In September, Umag, Croatia, experiences a delightful transition as the summer warmth begins to wane. With minimum temperatures hovering around 14°C (57°F) and daily averages reaching a pleasant 22°C (71°F), the month offers a comfortable escape from the peak summer heat. Highs can soar up to 28°C (82°F), providing ample opportunity for outdoor fun while the coastline remains inviting. As the days gradually shorten and the vibrant summer crowds begin to thin, September becomes an ideal time to enjoy the stunning landscapes and juicy sunsets, all while basking in pleasant temperatures that are perfect for both exploration and relaxation. This month marks a comforting balance—warm enough to enjoy the beach, yet cool enough to relish evening strolls in the picturesque towns of the Istrian coast.
September in Umag, Croatia, marks a notable shift in precipitation patterns as the region experiences a significant increase, accumulating 171 mm (6.7 in) of rainfall over 10 days. This surge is the highest of the year, indicating the onset of autumn and the transition from the drier summer months. In contrast to the relatively modest totals seen in July and August, which averaged around 58 mm, September's precipitation underscores a trends toward wetter conditions as the year progresses. The arrival of fall not only brings rain but also a refreshing change in temperature, making the lush landscapes of Umag even more vibrant and inviting for visitors.
In September, Umag, Croatia experiences a notable uptick in humidity, averaging around 64%. This slight increase is a mild departure from the drier summer months, with August dipping to a comfortable 51%. As the warm days of late summer transition into the cooler embrace of autumn, the humidity levels begin to rise again, setting the stage for the wetter months ahead. This trend reflects a natural rhythm in Umag's climate, where humidity peaks significantly by October, reaching 83%, then climbing even higher as winter approaches. Observing this ebb and flow, one can appreciate the intricate balance of the Mediterranean climate that characterizes this beautiful coastal town.
As summer transitions into autumn in Umag, Croatia, the UV Index in September settles at a high level of 7, requiring about 25 minutes of sun exposure before burn risks increase. This marks a slight decline from the peak summer months of July and August, which saw an exceptionally high UV Index of 9. Before this, May and June experienced similar trends, escalating to very high levels, indicating the growing strength of UV radiation as the season progresses. As the year winds down, the UV Index gradually returns to more moderate levels in October, making September a pleasant yet crucial time for sun safety. For more detailed information, check out the Umag UV Index.
UV Risk Categories
September in Umag, Croatia, offers a delightful blend of sunshine and warmth, with an impressive 326 hours of sunshine illuminating the coastline. As summer gradually fades, the hours of sunlight show a gentle decline from the peak of 430 hours in July, yet September retains a vibrant glow that still entices travelers. With a gradual decrease from the sun-soaked days of August, visitors can enjoy a perfect balance of pleasant weather and fewer crowds, making it an ideal time for leisurely strolls along the Adriatic and savoring local cuisine. As autumn approaches, the sun-kissed days of September promise a memorable escape in this idyllic coastal town.
In September, Umag, Croatia, showcases a notable likelihood of sunny weather, with a 59% chance of sunshine. This marks a slight dip from the peak summer months of July and August, which boast higher probabilities of clear skies, yet remains encouraging for visitors. As the summer heat begins to fade, the sun still shines brightly, offering plenty of opportunities to enjoy the beautiful coastal scenery. Interestingly, this month sits comfortably above the transitional months of April and May, hinting at a lingering warmth and pleasant outdoor conditions, making September an appealing time for travelers seeking a blend of summer's warmth and autumn's charm.
As September arrives in Umag, Croatia, daylight begins to wane, offering about 12 hours of sunlight—a gentle transition from the sun-bleached days of summer, where June and July basked in a glorious 15 hours. In these early autumn days, the sun still lingers long enough to enjoy the vibrant hues of the changing leaves, with daylight gradually tapering off into October and November's shorter offerings of 10 and 9 hours, respectively. This seasonal shift not only highlights the beauty of the region but also sets the stage for cozy evenings as summer’s warmth yields to the crispness of fall. As the year progresses, the daylight fleetingly drops to a minimum of 8 hours in December, completing a natural cycle that showcases the enchanting rhythm of Umag's climate.
In September, the gentle breezes of Umag, Croatia, bring a refreshing end to summer, with an average wind speed of 3.4 m/s (8 mph). This slightly decreased wind speed, compared to the more blustery months of spring and early summer, provides a perfect backdrop for outdoor activities without the distraction of stronger gusts. As the year progresses into October, an upswing in wind speed to 5.0 m/s (11 mph) hints at the seasonal shifts ahead, setting the stage for a brisk autumn. Overall, September stands out as a tranquil respite before the winds pick up, making it an ideal time to savor the beauty of the Adriatic coastline.
The weather in Umag 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 Umag and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. In September, temperatures typically range from a mild 14°C (57°F) at night to a warm 28°C (82°F) during the day, with an average of 22°C (71°F). The month also sees moderate rainfall, accumulating 171 mm (6.7 in) over about 10 days, coupled with a humidity level of 64%. In contrast, January experiences much cooler weather, with minimum temperatures dropping to -3°C (27°F) and a daytime maximum of only 13°C (56°F), averaging around 7°C (46°F). Precipitation is significantly lower at 58 mm (2.3 in), occurring over just 7 days, but the humidity is notably high at 88%. For those interested in more details, check Umag weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 14°C (57°F) to a warm 28°C (82°F), with an average of 22°C (71°F). This month sees considerable rainfall, totaling 171 mm (6.7 in), and humidity levels sit at a comfortable 64%, making it a pleasant time for outdoor activities. Conversely, February brings much cooler temperatures, with a minimum of -3°C (27°F) and a maximum of only 13°C (56°F), averaging around 8°C (47°F). While February experiences less precipitation at 106 mm (4.2 in), it has an increased number of rainy days (11) and higher humidity at 82%. For more details, check out Umag weather in February.
September and March present stark contrasts in weather conditions. September typically enjoys milder temperatures, ranging from a minimum of 14°C (57°F) to a maximum of 28°C (82°F), alongside average temperatures of 22°C (71°F). However, it is also characterized by higher humidity levels at 64% and significant precipitation, averaging 171 mm (6.7 inches) over about 10 days. In contrast, March experiences a much cooler climate with temperatures ranging from a chilly -3°C (27°F) to a pleasant 16°C (62°F), averaging just 10°C (50°F). Rainfall is significantly lower at 57 mm (2.3 inches) across approximately 7 days, contributing to a slightly higher humidity level of 73%. For more detailed insights into March weather, you can check out Umag weather in March.
The weather in September is noticeably warmer than in April, making it a more comfortable month for outdoor activities. With average temperatures reaching 22°C (71°F) and highs of 28°C (82°F), September offers pleasant conditions, though it also brings more rainfall, with 171 mm (6.7 in) over 10 days. In contrast, April has cooler temperatures, with averages around 13°C (56°F) and maximums of 20°C (68°F), accompanied by less precipitation at 86 mm (3.4 in) over 8 days. The humidity is slightly higher in April at 73%, compared to September's 64%. For more detailed information, check out Umag weather in April.
September and May showcase distinct weather patterns, reflecting the transition between summer and autumn. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 28°C (82°F), with an average of 22°C (71°F). This month also sees higher precipitation at 171 mm (6.7 in) over about 10 days, paired with a humidity level of 64%. In contrast, May features cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 24°C (76°F), averaging 17°C (64°F). Although precipitation is lower at 105 mm (4.2 in) spread over 13 days, humidity rises slightly to 70%. For more detailed insights into May weather, you can check Umag weather in May.
September and June offer varying weather experiences, with both months characterized by mild to warm temperatures. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 28°C (82°F), averaging around 22°C (71°F). This month sees higher precipitation levels, with 171 mm (6.7 in) typically spread over about 10 days, and a humidity level of 64%. In contrast, June boasts slightly warmer conditions, with temperatures fluctuating between 16°C (61°F) and 30°C (86°F), and an average of 23°C (73°F). It experiences significantly less rainfall at 68 mm (2.7 in) over approximately 5 days, accompanied by a higher humidity level of 69%. For a more detailed look at the weather specifics, check out Umag weather in June.
September weather tends to be milder compared to July, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 28°C (82°F) and an average of 22°C (71°F). In contrast, July is warmer, featuring higher minimum and average temperatures of 20°C (68°F) and 25°C (77°F), respectively, and only a slight increase in maximum temperature at 29°C (85°F). Additionally, September experiences significantly higher precipitation levels, with 171 mm (6.7 in) over about 10 days, while July sees much less rain at 49 mm (1.9 in) across 6 days. Humidity levels remain similar between the two months, hovering around 63-64%. For more information on July weather, you can visit Umag weather in July.
In comparing the weather between September and August, noticeable differences emerge. September experiences milder temperatures, with a minimum of 14°C (57°F) and an average of 22°C (71°F), while August is warmer with a minimum of 17°C (63°F) and an average of 26°C (78°F). Additionally, September brings more rainfall, accumulating 171 mm (6.7 in) over 10 days, which is significantly higher than August’s 58 mm (2.3 in) over just 6 days. Humidity levels are also higher in September at 64%, compared to August’s 51%. For more detailed information on August weather, check out Umag weather in August.
In September, the weather tends to be warmer, with average temperatures around 22°C (71°F) and highs reaching up to 28°C (82°F). The month experiences 171 mm (6.7 in) of rainfall over 10 days, along with a humidity level of 64%. In contrast, October sees cooler temperatures, with average readings dropping to 17°C (64°F) and maximums of 23°C (73°F). Precipitation is also less, totaling 100 mm (4.0 in) over the same number of days, while humidity rises to 83%. This shift marks a transition from the warm, relatively humid days of September to the cooler, more humid conditions of October. For more detailed information about the weather in October, visit Umag weather in October.
September and November present a striking contrast in weather. September sees milder temperatures, ranging from a minimum of 14°C (57°F) and peaking at 28°C (82°F), with an average of 22°C (71°F). However, it is also marked by significant precipitation, averaging around 171 mm (6.7 in) over 10 days, and a moderate humidity of 64%. In contrast, November brings cooler days, with temperatures dropping to a minimum of 6°C (42°F) and a maximum of 19°C (67°F), averaging only 13°C (56°F). The month experiences slightly higher precipitation at 183 mm (7.2 in) over 13 days and a marked increase in humidity, reaching 89%. For a more detailed look at November weather, you can check Umag weather in November.
September and December present contrasting weather patterns. In September, temperatures are much milder, with a minimum of 14°C (57°F) and an average of 22°C (71°F), reaching a maximum of 28°C (82°F). However, it also brings significant rainfall, totaling 171 mm (6.7 in) over about 10 days, coupled with a humidity level of 64%. In contrast, December sees a notable drop in temperatures, where the minimum reaches just 4°C (39°F) and the average is a chilly 10°C (50°F), peaking at 16°C (60°F). Although precipitation is slightly lower at 150 mm (5.9 in), it occurs over more days, totaling 13 days, leading to a higher humidity of 88%. For those interested in the specifics of December weather in Umag, you can find more information here: Umag weather in December.
In September, Umag experiences a delightful transition, with temperatures that still embrace the warmth of summer while beginning to cool down. This month typically showcases comfortably high averages, making it an ideal time for outdoor activities and enjoying the stunning Adriatic coast. However, don’t be surprised by occasional rains, as September sees moderate precipitation that many other summer months lack. With an average humidity of 64%, the climate feels pleasant and refreshing. As you reflect on visiting Umag during this enchanting month, discover more about its climate through this link: Umag Climate.