Opatija weather in September (Istria, Croatia)
What can you expect from the weather in Opatija during September? Here's what the weather might have in store during this month.
In September, Opatija generally has pleasant temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 22°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 14°C.
Opatija in September falls under the rainy season with heavy rainfall, averaging around 215 mm for the month. Typically around 13 days of rainfall is expected.
With around 202 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.
Should you favor a climate that's both dry and comfortably warm May, June, July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, October, November and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Opatija climate page with graphs.
Opatija, monthly averages in September
Min Temperature
14°C
Max Temperature
22°C
Water Temperature
24°C *
Chance of Rain
42%
Precipitation
215 mm
Rainy days
13 days
Humidity
64% *
Sunshine
202 hours *
Percentage Sunshine
57% *
Where to go in Croatia in September
Find out more about the weather in Croatia in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Opatija in September?
For visitors traveling to Opatija, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 24°C this is a great month to swim so bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Opatija.
Our site offers climate and forecast data for every country in the world. Are you going to Croatia? On this website you can find historical weather averages for many cities in Croatia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
