Weather in Croatia in September

In September, Croatia’s weather is typically warm and pleasant, marking a transition from summer to autumn. The average temperature remains comfortable for outdoor exploration, with mild rainfall and plenty of sunshine. Travellers can enjoy various outdoor activities, as the conditions are favourable for exploring the beautiful landscapes and partaking in seasonal highlights.

September Climate Overview

• Average Temperature: 16°C to 26°C
• Rainfall: Around 80mm
• Sunshine Hours: Approximately 9 hours per day
• Sea Temperature: 22°C
• Humidity: Moderate, around 70%
• Wind Speed: Mild, averaging 10 km/h

What to Expect in September

Daytime Conditions

During the day, temperatures often reach comfortable highs around 26°C, with ample sun exposure. The moderate humidity does not usually induce discomfort, making it ideal for daytime excursions and sightseeing.

Rainfall Patterns

Rainfall in September is usually scattered and not very intense. Showers are typically brief, allowing for continuation of most planned activities with minimal disruption.

Evening Conditions

Evenings begin to cool down, with temperatures dropping to around 16°C. Light breezes may contribute to a pleasant atmosphere, ensuring enjoyable conditions for evening walks or dining experiences.

Best Activities in Croatia in September

• Outdoor Activities: Hiking and sightseeing are enjoyable due to the mild temperatures and reduced summer heat, providing a great opportunity to explore Croatia’s natural beauty.
• Seasonal Highlights: September often marks the grape harvest season in Croatia, offering a chance to witness traditional harvest activities.
• Water-based or Nature-based Activities: With sea temperatures still warm, water-based activities such as swimming or kayaking remain enjoyable.

What to Pack for September

• Light clothing for daytime and additional layers for cooler evenings
• Sun protection like a hat and sunscreen, as well as a compact umbrella for the occasional rain
• Comfortable footwear suitable for walking or hiking, depending on planned activities
• A reusable water bottle to stay hydrated during outdoor adventures