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Zagreb, Croatia · Temperate

Zagreb in September: go or not?

Good time. Zagreb in September gets 7.9/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 45.81°N · 15.98°E
⚡ This month's verdict
Go for it
Zagreb · September
7.9
14–23°
Temperature
27%
Rain
6h
Sun
🏛️ Heritage🌦️ Moderate rain
Photo : David Boca via Unsplash
The month in detail

What to expect in September

Autumn in Zagreb is often underrated: 73°F, golden light and declining crowds. An interesting window. Expect rain on 27% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if July (8.8/10) remains theoretically better.

September ranks 4 out of 12 months in Zagreb. Compared to August: −9°F daytime, −2.7h of sun per day.

This month's conditions

What it's like in September

UV index
4 · moderate
protect during midday hours
Feels like
comfortable
11°
Daylight
12.3h of daylight
Air quality
good
AQI 29
Compare

Is September the right month?

The best month in Zagreb is July (8.8/10), 0.9 pt higher than September.

See July →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Zagreb

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.

Country · Croatia

🗣️LanguageCroatian
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate
📈Climate trend ⓘStable
🔥Hottest monthJuly · 82°F
❄️Coolest monthJanuary · 41°F
🌧️Rainiest month ⓘMay · 36%

🏛️ City break

📅Tourist peak seasonJune → August
☔Indoor sights ⓘYear-round
🚇Public transportGood
🛂VisaSchengen · 90 days
Location

Where is Zagreb ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Croatia
Temperate climate with a 8.8 → 0.9 gap between best and worst month. 10 years of ERA5 data to choose by project.
45.81°N · 15.98°E
Questions

Frequently asked questions

What is the best time to visit Zagreb?
July is the best month with 82°F highs, 64°F lows, 9.5h of sunshine and 24.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Zagreb get in July?
Zagreb averages 9.5 sunshine hours per day in July. It is the sunniest month with a climate score of 8.4/10.
What is the rainiest month in Zagreb?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Zagreb in July?
In July, overnight lows reach 64°F, while afternoon highs average 82°F.
Is Zagreb good in winter?
In winter (December-February), Zagreb scores 2.0/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 8.4/10.
When should you avoid Zagreb?
January is the most difficult month to visit Zagreb, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Zagreb in September?
The average UV index reaches 4 in September in Zagreb (moderate), with about 12.3h of daylight. Protect during midday hours.