2026 Climate Averages

Weather: Split — September

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

🌟 Climate Overview

September is an excellent time to visit Split. Warm weather with highs of 25°C—great for outdoor activities. As peak season, expect higher prices and more tourists. Sea temperature of 25°C is perfect for swimming.

7.4
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

25°C

Avg Low

20°C

Rainy days

8days

Daylight

12.5h

Rainfall

114mm

Sunshine

10.3h/day

Humidity

72%

Humid
Sun Strength

6.7

High
Wind

18 km/h (gusts 29)

Sea Temp

25°C 🏊 Comfortable

Is September a good time to visit Split?

The weather is near-perfect with ideal temperatures and minimal rain.

Now

--

Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Peak Rates

Daylight

Sunrise

06:34

Sunset

19:07

12.5h daylight

Visiting Split in September: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Abundant sunshine for beach and outdoor fun
  • Warm sea perfect for swimming and snorkeling
  • One of the best months to visit

Cons

  • Peak season — expect crowds and higher prices

Things to Do in September

Events & Festivals

🎭
Days of Diocletian
Mid-May–late September Cultural
🎭
Split Film Festival
September Cultural

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🏊 Swimming & beach activities
🤿 Snorkeling & water sports
🏖️ Beach relaxation & sunbathing
🥾 Hiking & nature trails

Split Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 12°C 8°C 11d (125mm) 6.6h
71% Humid
2.6 Moderate
Good
Feb 13°C 9°C 8d (81mm) 7.8h
72% Humid
3.8 Moderate
Good
Mar 14°C 10°C 9d (97mm) 9.4h
69% Humid
6 High
Good
Apr 16°C 12°C 10d (73mm) 11.2h
70% Humid
8.1 Very High
Good
May 21°C 17°C 11d (78mm) 12.1h
74% Humid
9 Very High
Excellent
Jun 26°C 21°C 5d (32mm) 13.4h
73% Humid
10.4 Extreme
Excellent
Jul 28°C 24°C 3d (19mm) 13.6h
67% Humid
10.3 Extreme
Excellent
Aug 28°C 24°C 6d (61mm) 12.4h
70% Humid
8.8 Very High
Excellent
Sep Current 25°C 20°C 8d (114mm) 10.3h
72% Humid
6.7 High
Excellent
Oct 21°C 16°C 10d (112mm) 8.8h
74% Humid
4.6 Moderate
Good
Nov 16°C 12°C 12d (216mm) 6.6h
74% Humid
2.7 Moderate
Good
Dec 13°C 10°C 15d (189mm) 5.6h
75% Humid
2 Low
Wet

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthOctScore: 7.4
1.Oct
7.42.Dec
6.73.Mar
6.54.Apr
6.55.Nov
6.56.Feb
6.17.Jan
5.68.Jun
5.69.Jul
5.610.Aug
5.611.Sep
5.612.May
5.2

Where to Stay

See hotels, apartments & rentals around Split – live prices from Booking.com, Expedia, Vrbo and more

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Split

Ancient Roman palace meets Adriatic beaches in Croatia's vibrant coastal gem. Discover Diocletian's Palace.

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What to Pack for September

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Pack a compact umbrella or light rain jacket for occasional showers. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Warm Very Busy

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Split?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is September a good time to visit Split?
September is typically excellent for visiting Split, with average highs of 25°C and around 8 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Split in September?
Nights stay pleasantly warm in Split during September, around 20°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for Split in September?
With highs of 25°C and lows of 20°C in September, we recommend: Compact umbrella, Lightweight breathable clothes, Sunscreen SPF 30+, Sun hat. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Split in September?
Split typically sees around 8 rainy days in September. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Split in September?
September is suitable for swimming in Split, though the water may feel refreshing at first. Air temperatures average 25°C, and most swimmers find it enjoyable once they're in. Midday is usually the warmest time for a dip.
How many hours of daylight are there in Split in September?
In September, Split gets approximately 12.5 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is September peak season in Split?
Yes, September is peak season in Split. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Zagreb)

Last Updated: February 2026

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