September in Valletta averages highs of 28 °C (82 °F) and lows of 23 °C (74 °F), with about 3 rainy days and 12 h 21 min of daylight. The sea is warm, around 26 °C (80 °F).
September weather in Valletta at a glance
average high to low each dot ≈ 3 rainy days
Is September a good time to visit Valletta?
Great time to go: comfortably warm and fairly dry. September is usually high season in Valletta: book rooms early, as prices are typically at their highest.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in September 2026
- Tue 8 Sep: Feast of Our Lady of Victories (Il-Vittorja) public holiday
- Mon 21 Sep: Independence Day (L-Indipendenza) public holiday
Banks and many shops close on public holidays, and museums may change their hours, so check before you go.
Things to do in Valletta in September
September's weather suits a mix of outdoor sights and museums, so the open-air ones come first.
- Upper Barrakka Gardens — noon gun salute outdoors
- Three Cities by water taxi outdoors
- Mdina — the silent city outdoors
- Blue Lagoon on Comino — go early outdoors
- St John's Co-Cathedral — Caravaggio inside indoors
- Ħal Saflieni Hypogeum — book weeks ahead indoors
- Beach and swimming — the sea averages 26 °C (80 °F) in September. outdoors
Where to stay: Valletta itself for history; Sliema or St Julian's for the seafront and nightlife.
What to pack for Valletta in September
- Summer clothes, sunglasses and sunscreen.
- Swimwear.
- Comfortable walking shoes.
What a day in Valletta costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €55–120 | €140–280 |
Excluding flights. September is usually high season in Valletta: book rooms early, as prices are typically at their highest.
September in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Naples | 26° / 18° | 8 | Good time to go |
| Rome | 27° / 17° | 7 | Good time to go |
| Dubrovnik | 26° / 18° | 7 | Good time to go |
Want the whole trip planned? Join the Journey waitlist: tell it where, when and your budget, and it plans every day hour by hour.
FAQ
Is September a good time to visit Valletta?
By the numbers, September is a great time to go: comfortably warm and fairly dry, with average highs of 28 °C (82 °F) and about 3 rainy days. September is usually high season in Valletta: book rooms early, as prices are typically at their highest. The best months for weather are April, May, June, September.
How warm is Valletta in September?
Average highs are 28 °C (82 °F) and lows 23 °C (74 °F) (2015–2024 averages). The sea is warm, around 26 °C (80 °F).
Does it rain a lot in Valletta in September?
Expect about 3 days with 2 mm of rain or more, about 32 mm in total. It is the 6th driest month of the year in Valletta.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights.