Last updated: August 21, 2025
September in Mosta, Malta, offers a delightful escape with temperatures reaching a maximum of 28°C (83°F) and an average around 25°C (78°F), providing the perfect backdrop for late summer adventures. With a minimum temperature of 20°C (69°F), days remain pleasantly warm, while evenings cool down just enough for comfort. While visitors can expect a slight chance of rain, with 25 mm (1.0 in) of precipitation spread over 5 days, the humidity sits at a balmy 77%, enhancing the Mediterranean charm. Whether you're exploring historic sites or lounging at the beach, September in Mosta combines warmth and a hint of autumn briskness for an unforgettable experience.
As summer fades into autumn, September in Mosta, Malta offers a delightful transition with pleasant temperatures. The month begins with a comforting minimum of 20°C (69°F) and peaks at a lovely 28°C (83°F), making it an ideal time for outdoor activities. With an average temperature of 25°C (78°F), the warmth lingers, but it’s noticeably more moderate compared to the sweltering heights of August. This gentle cooling paves the way for a perfect backdrop for both locals and tourists to enjoy the stunning landscapes and vibrant culture of Malta. As the month progresses, the days remain warm, inviting visitors to soak up the last rays of summer before October ushers in cooler evenings.
September in Mosta, Malta experiences a noticeable shift in precipitation patterns, showcasing a transition from the dry summer months to the wetter autumn season. With 25 mm (1.0 in) of rain falling over 5 days, this month marks a significant increase in moisture compared to the preceding summer, where July and August recorded virtually no rainfall. This uptick in precipitation sets the stage for the forthcoming months, as October and November bring even heavier rains, with totals of 111 mm (4.4 in) and 109 mm (4.3 in), respectively. The gradual rise in rainfall not only refreshes the landscape but also contributes to the vital water supply, signaling to residents and visitors alike that summer's heat is giving way to a more temperate and nourishing season.
In September, Mosta, Malta, experiences a comfortable humidity level of 77%, which mirrors the slightly drier conditions of the preceding months. This marks a notable shift from the peak summer months, where humidity reached heights of 81% in June and 80% in May. As the year transitions towards autumn, September's humidity aligns closely with August's 77%, suggesting a leveling off in moisture as the intense summer heat begins to dissipate. This gradual decline follows a trend of increasing humidity from the winter months, where levels are typically around 71% in January and February. As the days shorten and temperatures cool, residents can expect a more refreshing atmosphere, paving the way for pleasant outdoor experiences.
In September, Mosta, Malta, experiences a UV Index of 8, indicating very high levels of solar radiation, with a relatively short burn time of just 15 minutes. This month marks a gradual decline from the intense extreme conditions of July (UV Index 11) and the very high levels of August (UV Index 10), yet it remains crucial for sun safety. As the summer sun gives way to autumn, maintaining protective measures is still essential, as the risk of skin damage persists. Observing trends throughout the year, from a moderate Index of 3 in January to the peak in July, it’s clear that awareness and caution around UV exposure remain vital. For more detailed information on the UV Index throughout the year, visit Mosta UV Index.
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In Mosta, Malta, September brings a delightful return to sunnier days, with an impressive 340 hours of sunshine, making it one of the most radiant months of the year. As the summer heat begins to wane, the sunshine hours slightly dip from the peak of 413 hours in July, yet they remain significantly higher than the winter months, such as January and November, which struggle to exceed 274 hours. This trend of abundant sunshine creates a vibrant atmosphere, perfect for outdoor activities, as locals and visitors alike bask in the warmth of late summer's glow. The gradual shift into autumn provides a beautiful backdrop, ensuring that September remains a cherished time for enjoying the enchanting Maltese landscape bathed in golden light.
In Mosta, Malta, the chances of enjoying sunny weather in September are quite promising, standing at 74%. This marks a consistent trend from the summer months, where July and August boast impressive sun probabilities of 98% and 97%, respectively. As we transition into autumn, September retains a commendable sunshine rate, slightly dipping compared to the peak summer days but still significantly higher than the less sunny months that follow. Looking ahead, October brings a decline to 51%, so September remains an excellent choice for sun-seekers wanting to bask in Malta’s beautiful coastal charm before the clouds take center stage.
As summer fades into autumn in Mosta, Malta, September brings a delightful balance with 12 hours of daylight. This marks a gentle decline from the sun-drenched days of July and August, which boast their maximum of 14 hours, as the warm embrace of summer transitions to the cooler allure of fall. The gradual decrease in daylight continues into October, with just 11 hours remaining, hinting at the approach of winter. This pattern showcases a clear trend of longer days in the earlier months gradually giving way to shorter daylight hours, creating a rhythmic flow that shapes the unique character of each season in this picturesque Mediterranean locale.
As summer fades into autumn, September in Mosta, Malta sees a gentle shift in the winds. With an average speed of 4.7 m/s (10 mph), the winds pick up slightly compared to the languid breezes of July and August, where they hovered around 4.1 to 4.2 m/s. This modest increase signals a transition, hinting at the brisker conditions to come in October, where average speeds surge to 6.7 m/s (15 mph). Overall, September's winds perfectly bridge the leisurely days of summer and the invigorating gusts of early autumn, making it an ideal time for those seeking a more temperate outdoor experience. The gentle breeze, combined with Malta's stunning landscapes, ensures that September remains a delightful month for both locals and visitors alike.
Weather in Mosta varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mosta, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is noticeably warmer, with average temperatures soaring between a minimum of 20°C (69°F) and a maximum of 28°C (83°F). The month experiences relatively light precipitation, totaling 25 mm (1.0 in) over just 5 days, accompanied by a higher humidity level of 77%. In contrast, January brings cooler temperatures, with an average range from 8°C (47°F) to 21°C (71°F). This month is also wetter, receiving 41 mm (1.6 in) of rain over 9 days, and a slightly lower humidity of 71%. For more detailed information, you can explore Mosta weather in January.
In September, the weather is considerably warmer, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 28°C (83°F) and an average of 25°C (78°F). The humidity is relatively high at 77%, while rainfall is moderate, with about 25 mm (1.0 in) over five days. In contrast, February sees much cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 19°C (66°F), averaging around 14°C (58°F). Although February has slightly more precipitation, totaling 45 mm (1.8 in) over six days, the humidity is a bit lower at 70%. For more detailed insights into February weather, you can check Mosta weather in February.
In September, the weather tends to be warmer and more humid, with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 28°C (83°F) and a relatively low precipitation of 25 mm (1.0 in) across approximately 5 days. In contrast, March experiences cooler temperatures, with averages between 10°C (50°F) and 20°C (69°F) and increased rainfall totaling 36 mm (1.4 in) over about 6 days. Despite the slight increase in precipitation during March, the humidity remains somewhat lower compared to September, at 73%. For more details on weather conditions during this month, check out Mosta weather in March.
When comparing the weather in September and April, we see notable differences in temperature and precipitation. September typically enjoys warmer temperatures, with a minimum of 20°C (69°F) and an average of 25°C (78°F), soaring up to a maximum of 28°C (83°F). In contrast, April experiences cooler conditions, with temperatures ranging from a minimum of 12°C (54°F) to an average of 16°C (61°F), peaking at 19°C (67°F). Additionally, September receives more rain, with 25 mm (1.0 in) of precipitation over about 5 days, while April has lighter rainfall of 9 mm (0.4 in) over just 3 days. Both months exhibit similar humidity levels, hovering around 77% for September and slightly higher at 78% for April. To get more details on April weather, check out Mosta weather in April.
In comparing the weather between September and May, September tends to be warmer and more humid. With average temperatures reaching 25°C (78°F) and maximums hitting 28°C (83°F), it is noticeably milder than May, where averages are around 19°C (66°F) with maximums of only 23°C (74°F). Additionally, September sees slightly more rainfall, with 25 mm (1.0 in) over about 5 days, compared to May's minimal precipitation of just 6 mm (0.2 in) over 2 days. Despite the higher temperatures in September, May's humidity is slightly increased at 80%. For a detailed look at May's weather specifics in Mosta, you can visit Mosta weather in May.
In comparing the weather of September and June, September tends to be slightly warmer overall, with average temperatures reaching 25°C (78°F) and a maximum of 28°C (83°F), while June averages 23°C (73°F) with a peak of 29°C (84°F). However, June experiences less precipitation, with only 3 mm (0.1 in) across zero rainy days, compared to September's 25 mm (1.0 in) over five days, indicating a wetter month. Humidity levels are also comparable, with June at 81% and September at 77%. For more detailed insights, you can check Mosta weather in June.
In comparing the weather between September and July, we notice that both months exhibit warm temperatures, with July slightly warmer on average. July boasts a minimum temperature of 21°C (71°F) and an average of 26°C (78°F), compared to September's minimum of 20°C (69°F) and average of 25°C (78°F). While July remains dry with no recorded precipitation, September sees some rainfall, accumulating about 25 mm (1.0 in) over five days. Humidity levels are quite consistent between the two months, with July at 78% and September slightly lower at 77%. For more detailed insights, you can check Mosta weather in July.
September typically exhibits a slight drop in temperature compared to August, with average highs around 28°C (83°F) versus August's peak of 31°C (88°F). The minimum temperatures in September are also cooler, averaging 20°C (69°F), compared to August's minimum of 23°C (74°F). Notably, September experiences increased precipitation, totaling 25 mm over five days, whereas August remains largely dry with only 4 mm of rain and no rainy days. Humidity levels remain consistent at 77% for both months, contributing to the overall warm and muggy weather common in late summer. For a detailed look at August weather specifics, visit Mosta weather in August.
In September, the weather is generally warmer with an average temperature of 25°C (78°F) and a maximum of 28°C (83°F), accompanied by 25 mm (1.0 in) of precipitation over about 5 days. The humidity during this month is relatively high at 77%, contributing to a warm and somewhat sticky atmosphere. In contrast, October sees a slight drop in average temperatures, down to 22°C (72°F), while the minimum temperature also dips to 17°C (63°F). Despite experiencing a maximum temperature of 29°C (85°F), the month is marked by significantly higher precipitation at 111 mm (4.4 in) spread over 9 days, along with slightly lower humidity at 73%. For a detailed look at October's weather in Mosta, check out Mosta weather in October.
September and November exhibit notable differences in weather patterns. In September, temperatures are warmer with a minimum of 20°C (69°F) and an average of 25°C (78°F), while November sees cooler temperatures, with a minimum of 13°C (56°F) and an average of 19°C (67°F). Precipitation is also more pronounced in November, with 109 mm (4.3 in) over 13 days compared to only 25 mm (1.0 in) falling over 5 days in September. Additionally, humidity levels in September are slightly higher at 77%, while November's humidity is more moderate at 71%. For more details on the weather in November, you can check Mosta weather in November.
September weather is characterized by warmer temperatures, with a minimum of 20°C (69°F) and an average of 25°C (78°F), peaking at 28°C (83°F). The month sees relatively low precipitation, totaling 25 mm (1.0 in) over about 5 days, accompanied by higher humidity levels at 77%. In contrast, December experiences cooler temperatures, featuring a minimum of 10°C (49°F) and an average of 16°C (61°F), with a maximum of 20°C (69°F). Precipitation increases significantly to 58 mm (2.3 in) across roughly 9 days, and humidity drops slightly to 70%. For more details, you can check out the Mosta weather in December.
As summer transitions to autumn, September in Mosta offers a delightful blend of warmth and cooling breezes, making it a unique experience compared to the sweltering peak months of July and August. With average temperatures hovering around 25°C (78°F) and a pleasant high of 28°C (83°F), visitors can enjoy a comfortably warm climate. The reduced rainfall, with only five days of rain totaling 25 mm (1.0 in), keeps the landscape vibrant without the heavy downpours common later in the fall. Humidity levels around 77% provide a refreshing contrast to the dry heat of summer, making September an ideal time to explore the beauty of Mosta. For more insights on the seasonal patterns, check out Mosta Climate.