2026 Climate Averages

Weather: Zagreb — 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 Zagreb. Warm weather with highs of 24°C—great for outdoor activities. Rain is common, so pack an umbrella. Temperatures vary significantly between day and night—layering is recommended. As peak season, expect higher prices and more tourists.

7.3
GoTripzi Score Great

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

Avg High

24°C

Avg Low

13°C

Rainy days

10days

Daylight

12.6h

Rainfall

87mm

Sunshine

9.2h/day

Humidity

75%

Humid
Sun Strength

5.6

High
Wind

11 km/h (gusts 28)

Is September a good time to visit Zagreb?

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

Now

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

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Shoulder Rates

Daylight

Sunrise

06:35

Sunset

19:10

12.6h daylight

Visiting Zagreb in September: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Abundant sunshine for beach and outdoor fun
  • One of the best months to visit

Cons

  • Peak season — expect crowds and higher prices

Things to Do in September

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Zagreb Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 7°C -1°C 8d (64mm) 5.4h
84% Very Humid
2 Low
Good
Feb 11°C 1°C 6d (37mm) 7.1h
74% Humid
3.3 Moderate
Good
Mar 14°C 3°C 10d (60mm) 8.8h
66% Humid
5.3 High
Good
Apr 18°C 6°C 9d (66mm) 9.9h
65% Humid
7 High
Good
May 22°C 11°C 16d (101mm) 10.6h
71% Humid
7.7 Very High
Excellent
Jun 28°C 16°C 9d (67mm) 12.2h
66% Humid
9.1 Very High
Excellent
Jul 30°C 18°C 9d (85mm) 12.7h
65% Muggy
9 Very High
Good
Aug 29°C 18°C 11d (77mm) 11.2h
69% Muggy
7.6 Very High
Good
Sep Current 24°C 13°C 10d (87mm) 9.2h
75% Humid
5.6 High
Excellent
Oct 18°C 9°C 9d (88mm) 7.2h
82% Very Humid
3.6 Moderate
Excellent
Nov 10°C 4°C 10d (82mm) 4.7h
87% Very Humid
2 Low
Good
Dec 7°C 1°C 10d (76mm) 3.8h
89% Very Humid
1.4 Low
Good

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3.4

Where to Stay

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

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Zagreb

Upper Town charm with St. Mark's Church and Dolac Market, outdoor cafés, street art, and Zagreb Cathedral.

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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. A waterproof jacket and shoes are non-negotiable — showers are frequent.

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

Planning a trip to Zagreb?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is September a good time to visit Zagreb?
September is typically excellent for visiting Zagreb, with average highs of 24°C and around 10 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 Zagreb in September?
Evenings in Zagreb during September are mild at 13°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Zagreb in September?
With highs of 24°C and lows of 13°C in September, we recommend: Compact umbrella, Waterproof jacket/shell, Sunscreen SPF 30+, Sunglasses. 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 Zagreb in September?
Zagreb typically sees around 10 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.
How many hours of daylight are there in Zagreb in September?
In September, Zagreb gets approximately 12.6 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 Zagreb?
Yes, September is peak season in Zagreb. 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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