September Weather in Ibiza, Spain

Last updated: February 6, 2025

Experience the vibrant beauty of Ibiza in September, where temperatures soar to a maximum of 31°C (88°F), while the average settles comfortably at 25°C (78°F). As summer begins to wane, enjoy warm days and pleasant evenings, with nighttime temperatures dipping to a minimum of 17°C (64°F). Though the month brings about a modest 54 mm (2.1 in) of precipitation across 6 days, the lush greenery and blooming flora create a picturesque landscape. With humidity levels at 74%, the air is rich and invigorating, making September an ideal time to explore everything this Mediterranean gem has to offer.

September Temperature in Ibiza

September in Ibiza marks the transition from summer's peak heat to a milder autumn, making it a delightful time to visit. With minimum temperatures around 17°C (64°F) and average highs reaching 31°C (88°F), the climate remains pleasantly warm, perfect for enjoying the island's famous beaches and vibrant nightlife. The average temperature stabilizes at 25°C (78°F), providing a comfortable atmosphere for both relaxation and exploration. As the month progresses, a gradual cooling trend signals the onset of fall, yet the weather still retains a summery charm, making September an ideal month for those seeking a blend of warmth and tranquility on this enchanting island.

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

The chart illustrates September temperature patterns in Ibiza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec565759626875818277706359
Data source: Temperature data for Ibiza 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 Ibiza

As summer transitions to autumn, September in Ibiza sees a notable increase in precipitation, with 54 mm (2.1 in) of rain falling over 6 days. This uptick marks a shift from the notably dry months of July and August, which typically only experience a trickle of rain. The island, known for its vibrant nightlife and stunning beaches, begins to welcome cooler breezes and a more refreshing atmosphere as precipitation levels rise. With October expected to bring even more rain at 60 mm (2.4 in), September serves as a gentle reminder of the seasonal change, enhancing the lushness of Ibiza’s natural landscapes while still allowing ample time to enjoy the lingering warmth of summer.

September Precipitation Trends in Ibiza

The chart displays monthly precipitation patterns in Ibiza, 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.
JanFebMarAprMayJunJulAugSepOctNovDec41273040171742654605128
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ibiza

In September, Ibiza experiences a slight dip in humidity, averaging around 74%, following the peak summer months where July reached a higher 79%. This gradual decline suggests a transition into autumn, with the air feeling more comfortable for outdoor activities. Notably, the humidity levels remain relatively consistent throughout the year, fluctuating between 73% and 79%, providing a balanced atmosphere that complements the island's vibrant lifestyle. As summer ebbs, September's humidity fosters a mild environment, making it an ideal time to explore the beautiful beaches and picturesque landscapes of Ibiza without the oppressive heat that characterizes the peak tourist season.

September Average Humidity in Ibiza

This chart illustrates the average monthly humidity levels in Ibiza, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%73%73%74%73%75%79%76%74%76%74%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ibiza

As summer transitions into autumn, the UV Index in Ibiza remains remarkably high in September, registering at 8, with a very high exposure category. This marks a slight decrease from the peak indexes of June and July, but sunbathers should still be cautious, as the recommended burn time is just 15 minutes. This trend showcases Ibiza's enduring sun intensity even as temperatures begin to cool. Visitors should make sun protection a priority, as the high UV levels can still lead to skin damage. For more detailed information on UV levels throughout the year, check out Ibiza UV Index.

Maximum UV Index Levels in Ibiza for September

The chart shows the monthly maximum UV Index (UVI) for Ibiza 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689111098643
Data source: Ibiza 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 Ibiza

As summer transitions to autumn, September in Ibiza shines with a delightful 340 hours of sunshine, encapsulating the last glow of the season before cooler months set in. This month's sunlight marks a gentle decline from the summer peak in July, which boasts 420 hours, yet still significantly outshines the earlier months of the year. The gradual downward trend in daylight is evident as August sees 394 hours, paving the way for a warm, sun-kissed September that invites visitors to relish the island's stunning beaches and vibrant nightlife. With sunshine hours gradually tapering off, the allure of Ibiza remains tantalizingly bright, making it an ideal time for travelers seeking a blend of warmth and relaxation before the autumn chill fully envelops the island.

Monthly Sunshine Duration in Ibiza: September Highlighted

The September sunshine duration represents the total number of hours Ibiza 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.
JanFebMarAprMayJunJulAugSepOctNovDec214h276h334h352h408h409h420h394h340h319h270h268h
Data source: Ibiza September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ibiza During September

As summer transitions into fall, September in Ibiza offers a moderate 50% chance of sunny weather, marking a dip from the peak sunlight of July (85%) and August (67%). This fluctuation reflects a broader trend where the island experiences its highest sunlit days during the height of summer, before gradually cooling off in the autumn months. Interestingly, the likelihood of sunshine in September aligns with that of October, suggesting that while the beach vibes may start to soften, visitors can still enjoy pleasant days under the sun. With a rich history of idyllic weather, Ibiza remains an attractive destination throughout the month, despite a slight drop in sunshine probabilities.

Percentage of Sunny Days in September in Ibiza

The chart illustrates the percentage of sunny days in Ibiza 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 Ibiza experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%55%53%44%56%63%85%67%50%50%38%54%
Data source: Ibiza September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ibiza in September

As the summer fades and September arrives in Ibiza, Spain, daylight begins to gradually wane, offering about 12 hours of sunlit bliss. This month marks the transition from the long, sun-drenched days of June, July, and August—when the island enjoys a peak of 14 hours—to the shorter days of fall. After reaching 14 hours in midsummer, the daylight dips slightly in August but remains generous, allowing for ample opportunity to explore the picturesque beaches and vibrant nightlife. As summer gives way to autumn, September serves as a bridge, with the warmth of summer still lingering in the air, making it an ideal time to soak up the sun before the days shrink further in October, when daylight reduces to 11 hours. The rhythm of daylight in Ibiza paints a beautiful picture of seasonal change, urging all to savor the last golden rays of summer.

Average Daylight Hours in Ibiza for September

The chart illustrates the variation in daylight duration in Ibiza throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 45m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 8m10h 1m9h 28m
Data source: Ibiza daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ibiza

As summer transitions to autumn, September in Ibiza offers a gentle and refreshing breeze, with average wind speeds hovering around 3.9 m/s (9 mph). This marks a slight increase from the summer months of July and August, which recorded comparable speeds, hinting at the seasonal shift. Interestingly, as the year unfolds, winds begin to gain momentum again in the fall, with November showcasing a notable rise to 5.8 m/s (13 mph). The gradual tapering of wind speeds in mid-summer allows for perfect beach days, while September's embrace of a bit more wind cultivates a lively atmosphere, ideal for enjoying outdoor activities or simply unwinding by the coast. Overall, Ibiza's winds create a rhythmic dance of tranquility and excitement as the seasons change.

Average September Wind Speed in Ibiza

The chart displays monthly wind speed patterns in Ibiza, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.04.74.84.04.43.53.43.93.9 m/s3.65.85.1
Data source: Ibiza September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ibiza Compares to Other Months

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

In September, the weather is warm and inviting, with average temperatures reaching around 25°C (78°F) and maximums peaking at 31°C (88°F). The month experiences relatively high humidity at 74% and some rainfall, totaling about 54 mm (2.1 in) over approximately 6 days. By contrast, January brings a notable drop in temperatures, with average highs of just 13°C (56°F) and minimums around 5°C (42°F). Although January sees less precipitation at 41 mm (1.6 in) over 5 days, the humidity remains similar at 75%. For a detailed look at the climate during this time, visit Ibiza weather in January.

When comparing the weather in September and February, a distinct contrast emerges. September typically enjoys warmer temperatures, with a minimum of 17°C (64°F), an average of 25°C (78°F), and a maximum of 31°C (88°F), along with higher humidity at 74% and moderate rainfall of 54 mm (2.1 in) over 6 days. In contrast, February experiences cooler conditions, with a minimum of 6°C (43°F), an average of 14°C (58°F), and a maximum of 22°C (71°F). Precipitation is less frequent, totaling 27 mm (1.1 in) across 4 days, and humidity remains similar at 73%. For more detailed insights, check out Ibiza weather in February.

In September, the weather is warmer with temperatures ranging from a minimum of 17°C (64°F) to a maximum of 31°C (88°F), averaging around 25°C (78°F). It experiences more precipitation at 54 mm (2.1 in) over six days, and humidity is relatively high at 74%. In contrast, March brings cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 23°C (75°F), averaging 15°C (59°F). The month sees less rainfall, totaling 30 mm (1.2 in) also over six days, and humidity remains slightly lower at 73%. For more detailed information, you can check out Ibiza weather in March.

September generally offers warmer temperatures compared to April, with average highs reaching 25°C (78°F) and maximums of up to 31°C (88°F), while April's temperatures peak at a more moderate 24°C (75°F). Precipitation in September totals 54 mm (2.1 in) over about 6 days, whereas April experiences slightly less, with 40 mm (1.6 in) across 8 days. Both months share the same humidity level of 74%, creating a comfortable atmosphere despite the differences in temperature and rainfall patterns. For more details on the April weather specifically, you can check this link: Ibiza weather in April.

September and May showcase notable differences in weather patterns. In September, temperatures range from a minimum of 17°C (64°F) to a maximum of 31°C (88°F), with an average of 25°C (78°F). The month experiences more precipitation, with about 54 mm (2.1 in) over 6 days, resulting in a humidity level of 74%. In contrast, May features milder conditions, with a minimum of 12°C (54°F) and a maximum of 30°C (86°F), averaging 20°C (69°F). This month is relatively dry, receiving only 17 mm (0.7 in) of rain across 2 days, while maintaining a similar humidity level of 73%. For more detailed insights into May weather, check out Ibiza weather in May.

September and June display a noticeable contrast in weather patterns, despite both months having similar minimum temperatures around 17°C (63-64°F). In September, the average temperature peaks at 25°C (78°F) with a maximum of 31°C (88°F), making it slightly warmer than June, which averages at 24°C (75°F) and has a higher maximum of 33°C (92°F). Precipitation levels are significantly higher in September, with 54 mm (2.1 in) of rain over about 6 days, compared to June's 17 mm (0.7 in) over just 2 days. Humidity remains fairly consistent, with September at 74% and June at 75%. For a detailed look at June's weather, visit Ibiza weather in June.

In comparing the weather between September and July, September tends to be slightly cooler, with minimum temperatures averaging 17°C (64°F) compared to July's minimum of 20°C (68°F). The average temperature in September reaches 25°C (78°F), while July is warmer with an average of 27°C (81°F). July also experiences higher maximum temperatures, peaking at 34°C (93°F) compared to September's maximum of 31°C (88°F). Precipitation is much lower in July, with virtually no rain and only 4 mm (0.2 in) recorded, unlike September which sees 54 mm (2.1 in) spread over about 6 days. Humidity levels are comparable, with July at 79% and September at 74%. For more details, you can check out Ibiza weather in July.

In comparing the weather of September to August, we see a noticeable shift in temperature and precipitation. September experiences cooler temperatures with a minimum of 17°C (64°F) and an average of 25°C (78°F), compared to August's warmer minimum of 20°C (69°F) and an average of 28°C (82°F). Additionally, September has more frequent rainfall, totaling 54 mm (2.1 in) over 6 days, while August is much drier, receiving only 26 mm (1.0 in) over just 1 day. Humidity remains fairly consistent, slightly higher in August at 76% compared to September's 74%. For more details on August weather, visit Ibiza weather in August.

In September, the weather tends to be warmer, with average temperatures reaching around 25°C (78°F) and maximums climbing to 31°C (88°F). The month experiences a bit of precipitation, totaling 54 mm (2.1 in) over about 6 days, accompanied by a humidity level of 74%. In contrast, October sees a drop in temperatures, averaging 21°C (71°F) with maximums of 28°C (83°F) and minimums around 12°C (54°F). Although precipitation slightly increases to 60 mm (2.4 in) over the same number of days, humidity rises marginally to 76%. For more information, you can check Ibiza weather in October.

In comparing the weather between September and November, we see a notable shift in temperatures and conditions. September tends to be warmer, with an average temperature of 25°C (78°F), peaking at a maximum of 31°C (88°F), while November experiences cooler temperatures, averaging 17°C (63°F) and reaching a maximum of 26°C (78°F). Despite both months having similar humidity levels at 74%, September has slightly less precipitation (54 mm over 6 days) compared to November, which sees 51 mm spread over 9 days. This makes November feel a bit wetter and cooler, providing a distinct transition into the autumn season. For more details, check out Ibiza weather in November.

September and December showcase a significant contrast in weather conditions. In September, temperatures range from a pleasant minimum of 17°C (64°F) to a warm maximum of 31°C (88°F), with an average of 25°C (78°F). This month experiences more rainfall, totaling 54 mm (2.1 in) over about 6 days, and a relatively high humidity level of 74%. In contrast, December presents much cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 22°C (72°F), averaging 15°C (59°F). Precipitation decreases to 28 mm (1.1 in) over just 4 days, while humidity remains similar at 73%. For more detailed insights into December weather, you can check out Ibiza weather in December.

Compare Ibiza's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ibiza

As summer gracefully transitions into autumn, September in Ibiza offers a delightful blend of warmth and mildness that sets it apart from the hotter summer months. With average temperatures hovering around a comfortable 25°C (78°F), visitors can enjoy pleasant days under the sun while experiencing a slight decrease in humidity compared to August. Although there's a bit of rain—averaging 54 mm over six days—the warm sea temperatures still invite evening swims. This month encapsulates the charm of Ibiza: vibrant yet relaxed, making it an ideal time for those looking to revel in the island's beauty without the summer crowds. To discover more about what to expect year-round, check out Ibiza Climate.