September 23 is generally a great time to visit Valletta. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 26°C weather. Valletta is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Valletta
Currency
EUR
€ Euro
Language
English
+1 more
Driving
Left side
Connect
Many businesses (restaurants, hotels etc...
Valletta Weather Forecast for September 23
"Warm & Sunny. Expect average highs of 26°C. 17% chance of rain."
What to Wear in Valletta in September
Based on historical data for September 23, Valletta typically experiences temperatures between 22.3°C and 26°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Valletta
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
26°C
Daytime Peak
Average Low
22.3°C
Nighttime Low
Feels Like
26.9°C
☀️ Feels accurate
Rain Chance
17%
Avg 1mm if it rains
Cloud Cover
35%
Overcast
Pressure
1015.6 hPa
Low volatility
Valletta Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 09:30
16:00 - 17:00
Type I-II
🔴 22 min to burn
Type III-IV
🟡 33 min to burn
Type V-VI
🟢 55 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
20.6°C
Humid/Sticky
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Jellyfish Warning
High water temps may attract jellyfish swarms.
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Malta
Flight Traffic
High
93/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~97
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Valletta
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:51
☀️ Noon
11:55
🌇 Sunset
17:59
⏱️ Daylight
12h 8m
Wind Speed
24.2 km/h
Moderate wind
Sunshine
10.2 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Valletta
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Valletta
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Valletta on September 23 averages 26°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Valletta Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 16
26.9°C • 7% rain
Score
100
September 17
27°C • 7% rain
Score
100
September 18
27°C • 8% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 23) in other destinations
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📍 Is Valletta Worth Visiting on September 23?
Planning a trip to Valletta on September 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26°C with a 17% historical precipitation risk.
✈️ Travel Logistics: Approximately 97 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Malta, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 26.2°C (tropical bath). Wave conditions are generally fun waves with heights around 1.07m.
📊 Historical Extremes: The hottest September 23 recorded in the last 30 years saw temperatures hit 31.2°C in 2020, while the coldest dropped to 20.2°C in 2022.