Weather in Mljet in September

September in Mljet, Croatia, is an ideal time for outdoor enthusiasts with typically mild weather. Travellers can expect warm temperatures with a pleasant breeze, minimal rainfall, and ample sunshine, making it perfect for exploring the natural beauty of the island. Humidity is moderate, ensuring a comfortable experience while enjoying various outdoor activities and local sea views.

September Climate Overview

• Average Temperature: 17°C to 26°C
• Rainfall: Approximately 75mm
• Sunshine Hours: Approximately 8 hours per day
• Sea Temperature: 24°C
• Humidity: Around 65%
• Wind Speed: Light breezes at 10 km/h

What to Expect in September

Daytime Conditions

During the day, temperatures in Mljet are warm, typically ranging from 17°C to 26°C. The sun shines brightly for most of the day, providing substantial exposure, so hats and sunscreen are essential. Humidity is moderate, offering a comfortable climate for outdoor adventures such as exploring trails and nature parks.

Rainfall Patterns

Rainfall in September is infrequent but can occur in short, sporadic showers. Such weather patterns rarely disrupt plans, making it feasible to continue with outdoor activities. It’s advisable to carry a light raincoat or umbrella just in case.

Evening Conditions

Evenings in September offer a cool respite from the daytime warmth, with temperatures dropping to around 17°C. A gentle breeze is often present, and humidity levels drop, providing comfort for evening strolls or dining experiences.

Best Activities in Mljet in September

• Outdoor Activities: Hiking the island’s picturesque trails, wildlife watching, and exploring the Mljet National Park are highly recommended.
• Seasonal Highlights: The lush green landscapes are particularly vibrant after the summer heat, creating stunning vistas for travellers.
• Water-based or Nature-based Activities: Swimming and snorkelling in the warm sea are enjoyable, and exploring the saltwater lakes is a must.

What to Pack for September

• Clothing suitable for warm daytime temperatures and cooler evenings
• Protection from sun or rain (e.g., hat, sunscreen, umbrella)
• Footwear that is ideal for walking and hiking
• Reusable water bottle to stay hydrated during outdoor adventures