September weather forecast
Mellieha, Malta

Weather in September

September, the first month of the autumn in Mellieha, is also a moderately hot month, with an average temperature fluctuating between 28°C (82.4°F) and 20°C (68°F).
An excellent water temperature of 25.4°C (77.7°F) and only 4 rainfall days, with 36mm (1.42") of accumulated rainfall, makes September a prime for swimming and other water activities.

Temperature

In Mellieha, the average high-temperature in September is practically the same as in August - a moderately hot 28°C (82.4°F). In September, the average low-temperature is 20°C (68°F).

Rainfall

In September, in Mellieha, the rain falls for 4 days. Throughout September, 36mm (1.42") of precipitation is accumulated. In Mellieha, during the entire year, the rain falls for 80 days and collects up to 499mm (19.65") of precipitation.

Sea temperature

In Mellieha, in September, the average water temperature is 25.4°C (77.7°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September, sunrise is at 6:34 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:48 pm CEST.

Sunshine

The average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Mellieha is 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

How many days does it rain in September in Mellieha?

In Mellieha, Malta, in September, during 4 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

How warm is the water in September in Mellieha?

In Mellieha, in September, the average water temperature is 25.4°C (77.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in September in Mellieha?

In Mellieha, Malta, the average day length in September is 12h and 24min.

When are sunrise and sunset in September in Mellieha?

On the first day of September, sunrise is at 6:34 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:48 pm CEST.

How many hours of sunshine does Mellieha have in September?

The average sunshine duration in September in Mellieha, Malta, is 9h.

How high is the UV index in September in Mellieha?

In Mellieha, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in September
Mellieha, Malta

Average temperature in September - Mellieha, Malta
  • Average high temperature in September: 28°C

The warmest months (with the highest average high temperature) are July and August (30°C).
The months with the lowest average high temperature are January and February (15°C).

  • Average low temperature in September: 20°C

The month with the highest average low temperature is August (22°C).
The coldest months (with the lowest average low temperature) are January and February (9°C).

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Average rainfall in September
Mellieha, Malta

Average rainfall in September - Mellieha, Malta
  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is December (99mm).
The driest month (with the least rainfall) is July (0mm).

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Average rainfall days in September
Mellieha, Malta

Average rainfall days in September - Mellieha, Malta
  • Average rainfall days in September: 4 days

The months with the highest number of rainy days are January and December (13 days).
The month with the least rainy days is July (0 days).

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Average sea temperature in September
Mellieha, Malta

Average sea temperature in September - Mellieha, Malta
  • Average sea temperature in September: 25.4°C

The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

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Average daylight in September /
Average sunshine in September
Mellieha, Malta

Average daylight in September / Average sunshine in September - Mellieha, Malta
  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 34min).
The month with the shortest days is December (Average daylight: 9h and 46min).

  • Average sunshine in September: 9h

The month with the most sunshine is July (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 5).

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Average UV index in September
Mellieha, Malta

Average UV index in September - Mellieha, Malta
  • Average UV index in September: 7

The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).

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