September Weather in Mellieha, Malta

Last updated: August 21, 2025

In Mellieha, Malta, September offers a delightful blend of warmth and mild conditions, with an average temperature hovering around 25°C (78°F) and peaks reaching up to 28°C (83°F). Evenings are pleasantly cool, with lows of 21°C (69°F). This month experiences some light rainfall, totaling 27 mm (1.1 in) across approximately 4 days, contributing to the region's lush landscape. With humidity sitting at a comfortable 77%, September in Mellieha creates an inviting atmosphere for visitors to enjoy the sunny days and balmy nights by the Mediterranean Sea.

September Temperature in Mellieha

In Mellieha, Malta, September marks a delightful transition into autumn, where temperatures remain pleasantly warm. With minimums around 21°C (69°F) and averages reaching 25°C (78°F), the month provides a comfortable climate for outdoor activities. The highs can soar up to 28°C (83°F), offering ample sunshine for beachgoers and explorers alike. As summer's heat begins to fade, September still boasts the warmth of long days, making it an ideal time to savor the beauty of Malta before the cooler months set in. Overall, this month strikes a perfect balance, ensuring visitors experience the charm of a Mediterranean climate at its best.

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

The chart illustrates September temperature patterns in Mellieha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mellieha, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec575858616673788178726761
Data source: Temperature data for Mellieha 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 Mellieha

In September, Mellieha experiences a noticeable shift in weather patterns as the summer heat begins to wane. The town receives 27 mm (1.1 in) of precipitation over four days, marking a significant increase compared to the preceding months of virtually no rain. This moderate rainfall not only provides much-needed relief from the summer’s dryness but also ushers in the early signs of autumn. As the month transitions into October, precipitation levels surge, indicating a return to more regular rain patterns, with 111 mm expected over nine days. This trend highlights September as a transitional month, bridging the arid summer and the wetter fall season in Malta's climate narrative.

September Precipitation Trends in Mellieha

The chart displays monthly precipitation patterns in Mellieha, 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. In Mellieha, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec404134962132711112061
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Mellieha

In Mellieha, Malta, September marks the end of summer with a humidity level stabilizing at 77%. This figure closely mirrors the humidity experienced in August, indicating a smooth transition into the cooler autumn months. Throughout the year, humidity peaks during the warmer months, with a notable increase from 71% in January to a high of 81% in June. Interestingly, as summer wanes, humidity starts to gradually decrease, dropping to 73% by October. Such trends highlight Mellieha's characteristic maritime climate, offering warm, humid summers that ease into the milder, less humid fall season.

September Average Humidity in Mellieha

This chart illustrates the average monthly humidity levels in Mellieha, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Mellieha is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%70%73%78%81%81%78%77%77%73%71%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mellieha

As September rolls into Mellieha, Malta, the UV Index typically indicates a very high level of solar radiation, registering at 8. This marks a slight decrease from the peak summer months, yet the risk of sunburn remains significant with a burn time of just 15 minutes. Following the intense exposure of July, which reached an alarming 11, and August's 10, September showcases a gradual easing, but caution is still essential. As the season transitions, those enjoying the outdoors should remain vigilant and protect their skin. For detailed insights on the UV Index throughout the year, check out Mellieha UV Index.

Maximum UV Index Levels in Mellieha for September

The chart shows the monthly maximum UV Index (UVI) for Mellieha 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. In September, the maximum UV index in Mellieha typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357991011108743
Data source: Mellieha 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 Mellieha

September in Mellieha, Malta, basks in 340 hours of sunshine, maintaining the delightful warmth that characterizes the summer months. As the sun begins to dip towards autumn, it reflects a gradual decline from the peak brightness of July, which boasts an impressive 413 hours. This trend continues into October, offering a pleasing 318 hours of daylight, ensuring that September feels like a perfect extension of summer’s golden days. With lingering warmth and plenty of sunshine, early autumn in Mellieha is an enchanting time, ideal for outdoor adventures and exploring the stunning coastal landscapes.

Monthly Sunshine Duration in Mellieha: September Highlighted

The September sunshine duration represents the total number of hours Mellieha 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.
JanFebMarAprMayJunJulAugSepOctNovDec223h279h339h353h394h397h413h392h340h318h273h274h
Data source: Mellieha September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mellieha During September

In September, Mellieha, Malta, enjoys a pleasing 75% chance of sunny weather, reflecting a delightful transition from the sun-drenched summer months. Following the peak sunshine months of July and August, which boast near-perfect conditions with chances soaring to 98% and 97% respectively, September maintains a robust likelihood of sunny days, making it an ideal time for outdoor activities. Although this percentage drops compared to the blistering summer, it still surpasses many other months, including the cooler autumn months that follow. This consistent sunshine trend underscores the island's charm, ensuring that visitors can relish warm afternoons while soaking in the stunning Mediterranean vistas.

Percentage of Sunny Days in September in Mellieha

The chart illustrates the percentage of sunny days in Mellieha 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 Mellieha experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%75%70%52%71%78%98%97%75%51%49%59%
Data source: Mellieha September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mellieha in September

In Mellieha, Malta, September marks a gentle transition from the sun-soaked heights of summer to the cooler embrace of autumn. With 12 hours of daylight, the month showcases a slight decline from the 13 hours experienced in August, yet maintains a pleasantly bright atmosphere. This gradual reduction in daylight hours is a common trend as the seasons shift, following the peak summer months of 14 hours in June, July, and early August. As September unfolds, the days still bask in ample sunlight, allowing residents and visitors alike to enjoy the vibrant surroundings while preparing for the forthcoming months, where daylight will continue to wane towards winter.

Average Daylight Hours in Mellieha for September

The chart illustrates the variation in daylight duration in Mellieha throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h10h 52m11h 58m13h 7m14h 4m14h 33m14h 18m13h 27m12h 21m11h 13m10h 14m9h 44m
Data source: Mellieha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Mellieha

As summer transitions into autumn, September in Mellieha, Malta, brings a gentle shift in the winds. With an average wind speed of 4.9 m/s (11 mph), the breezes are noticeably milder than the intense gales of January, which boast a brisk 8.6 m/s (19 mph). This gradual decline in wind strength from the summer months, where speeds hover around 4.2 m/s (9 mph), hints at the calming shift of the season. As October approaches, the winds pick up again to 6.7 m/s (15 mph), marking a return to more invigorating gusts. Overall, September serves as a serene interlude, where the lingering warmth meets the gentle refreshing winds, offering a perfect backdrop for enjoying the beautiful Maltese landscape.

Average September Wind Speed in Mellieha

The chart displays monthly wind speed patterns in Mellieha, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.66.56.86.65.14.14.24.24.9 m/s6.76.18.4
Data source: Mellieha September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Mellieha Compares to Other Months

Weather in Mellieha varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mellieha, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present contrasting weather patterns. In September, temperatures range from a pleasant minimum of 21°C (69°F) to an average of 25°C (78°F) and can peak at 28°C (83°F). The month experiences relatively low precipitation, with only 27 mm (1.1 in) falling over about four days, and the humidity levels hover around 77%, creating a warm and slightly muggy ambiance.

In stark contrast, January brings cooler conditions, with temperatures dropping to a minimum of 8°C (47°F) and averaging 14°C (58°F), reaching a maximum of 22°C (71°F). This month sees higher precipitation levels at 40 mm (1.6 in) spread over nine days, and the humidity is somewhat lower at 71%. For more detailed information, check out Mellieha weather in January.

September and February present notably different weather patterns. In September, temperatures are much warmer, with a minimum of 21°C (69°F) and an average of 25°C (78°F), peaking at 28°C (83°F). This month also experiences relatively low precipitation at 27 mm (1.1 in) over just 4 days, accompanied by a high humidity level of 77%. Conversely, February is much cooler, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 19°C (67°F) and an average of 14°C (58°F). This month sees increased precipitation at 41 mm (1.6 in) over 6 days, along with a lower humidity level of 70%. For a detailed look at the weather specifics in February, check out Mellieha weather in February.

In September, the weather tends to be warmer with average temperatures reaching around 25°C (78°F) and maximums peaking at 28°C (83°F), accompanied by high humidity levels of 77%. The month experiences relatively low precipitation, totaling 27 mm (1.1 in) over about 4 days. In contrast, March offers a cooler climate with average temperatures around 15°C (58°F) and highs of 20°C (69°F). This month sees slightly higher precipitation, totaling 34 mm (1.3 in) across approximately 6 days, with humidity levels at 73%. For a more detailed look at March weather, check out Mellieha weather in March.

When comparing the weather in September and April, it's evident that September is significantly warmer. September boasts temperatures ranging from a minimum of 21°C (69°F) to a maximum of 28°C (83°F), with an average of 25°C (78°F). In contrast, April's temperatures are much cooler, with a minimum of 12°C (54°F), an average of 16°C (61°F), and a maximum of 19°C (67°F). Precipitation is more frequent in September with 27 mm (1.1 in) over 4 days, compared to a modest 9 mm (0.3 in) over just 2 days in April. Humidity levels remain relatively similar, hovering around 77% in September and 78% in April. For more specifics on April's weather, check out Mellieha weather in April.

September weather tends to be warmer than that of May, with average temperatures reaching around 25°C (78°F) compared to May's cooler average of 19°C (66°F). September also sees higher maximum temperatures, peaking at 28°C (83°F), while May's maximum is a milder 24°C (75°F). In terms of precipitation, September experiences slightly more rainfall, with a total of 27 mm (1.1 in) over about 4 days, in contrast to May's minimal 6 mm (0.2 in) across just 2 days. Despite this, both months maintain relatively high humidity levels, with September averaging 77% and May at 80%. For more detailed weather information, you can check this link: Mellieha weather in May.

In comparing the weather patterns of September and June, one can observe that September generally experiences slightly warmer temperatures, with average highs reaching 28°C (83°F) compared to June's max of 29°C (84°F). However, September tends to be more humid, boasting a humidity level of 77%, while June has a slightly higher humidity of 81%. Additionally, September sees more precipitation, with an average of 27 mm (1.1 in) over four days, unlike June, which typically has minimal rain at just 2 mm (0.1 in) and no rainy days at all. For more detailed insights, check out Mellieha weather in June.

In comparing the weather between September and July, both months exhibit similar temperature ranges, with minimums around 21°C (69°F) and average temperatures of 25°C (78°F). However, July tends to be slightly warmer, reaching a maximum of 29°C (85°F) compared to September's peak of 28°C (83°F). Notably, July enjoys completely dry conditions with zero precipitation, while September experiences some rainfall, averaging 27 mm (1.1 in) over four days. Additionally, humidity levels remain quite consistent, with July at 78% and September slightly lower at 77%. For a closer look at July's weather patterns, visit Mellieha weather in July.

In comparison to August, September experiences slightly cooler temperatures, with an average of 25°C (78°F) compared to August's warmer 27°C (81°F). While August boasts maximum temperatures reaching 31°C (87°F) and no recorded precipitation, September sees a drop in maximum temperature to 28°C (83°F) and encounters some rainfall, totaling 27 mm (1.1 in) over four days. Humidity levels remain consistent at 77% for both months. For more detailed information about August weather, you can visit Mellieha weather in August.

September typically enjoys warmer temperatures, with a minimum of 21°C (69°F) and an average of 25°C (78°F), while October sees a slight drop in the average to 22°C (72°F), with a minimum of 17°C (63°F). Interestingly, October can still reach warmer highs of 29°C (85°F), slightly higher than September's maximum of 28°C (83°F). However, while September experiences only 27 mm (1.1 in) of precipitation over 4 days, October brings significantly more rainfall, totaling 111 mm (4.4 in) across 9 days. Despite the increase in precipitation, October maintains a lower humidity of 73% compared to September's 77%. For more detailed information, you can check Mellieha weather in October.

In September, the weather is generally warm and humid, with average temperatures hovering around 25°C (78°F) and maximum highs reaching 28°C (83°F). The month experiences relatively low precipitation, totaling just 27 mm (1.1 in) over about 4 days, with humidity levels around 77%. In contrast, November brings a significant drop in temperature, with averages falling to 19°C (67°F) and low temperatures dipping to 13°C (56°F). This month is much wetter, with rainfall reaching 120 mm (4.7 in) over 13 days, although humidity remains moderately lower at 71%. For more detailed weather statistics, check out Mellieha weather in November.

In September, the weather is notably warmer, with minimum temperatures around 21°C (69°F) and an average of 25°C (78°F), making it perfect for outdoor activities. The month features relatively low precipitation of 27 mm (1.1 in) over just four days, accompanied by a high humidity level of 77%. In contrast, December brings a significant drop in temperatures, with a minimum of 9°C (49°F) and an average of 16°C (61°F), presenting a much cooler climate. This month also sees increased precipitation, totaling 61 mm (2.4 in) over nine days, though humidity levels decrease slightly to 70%. For more detailed information, you can check Mellieha weather in December.

Compare Mellieha's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Mellieha

As summer begins to fade, September in Mellieha offers a delightful transition, wrapping visitors in warm temperatures that hover comfortably around the mid-20s °C. Unlike the scorching July and August, September's weather presents a more bearable heat, complemented by a subtle increase in humidity. Although a few raindrops may grace the region—averaging about 27 mm throughout the month—this is a welcome respite from the dry summer days. With only four days of precipitation, you can still expect plenty of sunshine to enjoy the stunning landscapes. For more detailed insights into the climate patterns, visit Mellieha Climate.