Valletta
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Valletta Weather in September

Valletta in September sees high daytime temperatures of 27°C (81°F) and nighttime lows of 24°C (75°F). Moderate rainfall is typical, with around 36 mm (1.4 in) for the month.

Rainfall in Valletta in September

Typically, you can expect about 4 days of rain this month, with 36 mm (1.4 in) on average. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in Valletta in September

September is a excellent month in Valletta, with 27°C (81°F) during the day and 24°C (75°F) at night. September is in the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Valletta in September

The month enjoys around 269 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Valletta in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in September

The water temperature is 25°C (77°F), which most people find very comfortable. A good month for swimming and water sports.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

Valletta Temperature in September

Min Temperature
24°C (75°F)
Max Temperature
27°C (81°F)
Water Temperature
25°C (77°F)
Chance of Rain
12%
Precipitation
36 mm (1.4 in)
Rainy days
4 days
Humidity
77%
Windspeed
3 m/s (6 knots)
Sunshine
269 hours
Percentage Sunshine
76%

Valletta Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Valletta - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Valletta typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 23°C (73°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather records for Valletta in September

Browse day-by-day weather records for Valletta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Valletta historical weather extremes in September

Based on weather observations in Valletta between 1976 and 2026, these are the recorded extremes during September.

  • On September 3, 1987, temperatures climbed to 37°C (99°F), marking the warmest September day on record.
  • On September 27, 2008, Valletta saw its coldest September day with temperatures maxing out at 21°C (70°F).
  • Valletta registered its coldest September night on September 27, 1984, with temperatures dropping to 14°C (57°F).

Best Places in Malta in September

Find out more about the weather in Malta and which places have the best travel conditions in this month. See all of Malta in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Valletta in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Valletta in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Valletta 3-Day Forecast

More climate data for Valletta

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.