September weather forecastSaint Julian's, Malta

September

Weather in September

September signals the arrival of autumn, but the remnants of summer linger with temperatures still on the higher end. Despite the lower UV index and progressively shorter daylight hours, the sea remains warm, inviting one to indulge in marine pastimes. A clear distinction from August is the increase in rainfall, leaping up to 36mm (1.42"), embodying September's weather in Saint Julian's. The milder conditions bring comfortable exploration opportunities around the city.

Temperature

The arrival of September in Saint Julian's coincides with an average high-temperature of a warm 28°C (82.4°F), indicating a minimal shift from August's 30°C (86°F). During September, Saint Julian's consistently records a temperature low averaging a pleasant 20°C (68°F).

Rainfall

In Saint Julian's, in September, during 4 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Saint Julian's, there are 80 rainfall days, and 499mm (19.65") of precipitation is accumulated.

Sea temperature

In Saint Julian's, Malta, the average seawater temperature in September is 25.4°C (77.7°F).
Note: For swimming, diving, and various water activities, the temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as highly enjoyable and comfortable for extended durations without any discomfort.

Daylight

In September, the average length of the day in Saint Julian's, Malta, is 12h and 24min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:29 pm. On the last day of September, in Saint Julian's, sunrise is at 6:56 am and sunset at 6:47 pm CEST.

Sunshine

In Saint Julian's, the average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Saint Julian's is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 7 in September translates into these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be wary! Reflections from sand and water make UV radiation more intense.

Updated: Feb 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Saint Julian's during September are 28°C (82.4°F) and 20°C (68°F) respectively.

In September, in Saint Julian's, Malta, the rain falls for 4 days. Throughout September, 36mm (1.42") of precipitation is accumulated.

In Saint Julian's, Malta, 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.

In September, the average day length in Saint Julian's is 12h and 24min.

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:29 pm. On the last day of the month, in Saint Julian's, Malta, sunrise is at 6:56 am and sunset at 6:47 pm CEST.

In September, the average sunshine duration in Saint Julian's, Malta, is 9h.

In September, the average daily maximum UV index in Saint Julian's, Malta, is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

30°C

28°C

24°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in September
Saint Julian's, 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).

Average rainfall in September
Saint Julian's, 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).

Average rainfall days in September
Saint Julian's, 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).

Average sea temperature in September
Saint Julian's, 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).

Average daylight in September /
Average sunshine in September
Saint Julian's, Malta

Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).