Rovinj

Istria Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Istria, Croatia in September.

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Pula Rovinj Poreč Medulin

Considering a trip to Istria, Croatia this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Istria in September

Istria, Croatia is a region in Croatia. September in Istria generally has temperatures that range from pleasant to warm, with precipitation levels ranging from high to heavy.

Temperatures

The average highest temperatures fluctuate between pleasant in Jurdani at 21°C (70°F) to warm in Radovani at 24°C (75°F). Nighttime temperatures generally drop to 16°C (61°F) in Radovani and 13°C (55°F) in Jurdani.

To learn more about the conditions in specific areas of Istria, Croatia, check out the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Rovinj with an average of 122 mm (4.8 in) to heavy rainfall in Mošćenička Draga with 232 mm (9.1 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. Pula enjoys about 210 hours of sunlight, ideal for those seeking sunny weather.

Explore Istria by month

Pick a month to see the average temperature, rainfall and sunshine in Istria - and find the best time to visit. (based on Pula)

January10°C (50°F) February11°C (52°F) March13°C (55°F) April16°C (61°F) May20°C (68°F) June24°C (75°F) This monthJuly27°C (81°F) August27°C (81°F) September23°C (73°F) October19°C (66°F) November15°C (59°F) December12°C (54°F)
Best Time to Visit Istria →

Best Places to Visit in Istria in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Istria.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Istria

What is the weather like in September for some of the most popular destinations in Istria, Croatia?

Temperature range in Istria (September)

Precipitation variation in Istria (September)

Pula

In September Pula generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
23°C (73°F)
19°C (66°F)
Min temperature
23°C (73°F)
19°C (66°F)
15°C (59°F)
Monthly sun hours
270 hours
210 hours
150 hours
Monthly rainfall
61 mm (2.4 in)
134 mm (5.3 in)
146 mm (5.7 in)
Monthly rainy days
11 days
11 days
12 days
Weather conditions
excellent
very good
good
Climate in Pula →

Rovinj

In September Rovinj generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
24°C (75°F)
19°C (66°F)
Min temperature
23°C (73°F)
19°C (66°F)
15°C (59°F)
Monthly sun hours
302 hours
233 hours
177 hours
Monthly rainfall
64 mm (2.5 in)
122 mm (4.8 in)
125 mm (4.9 in)
Monthly rainy days
11 days
11 days
12 days
Weather conditions
excellent
very good
good
Climate in Rovinj →

Poreč

In September Poreč generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
24°C (75°F)
19°C (66°F)
Min temperature
22°C (72°F)
19°C (66°F)
14°C (57°F)
Monthly sun hours
302 hours
233 hours
177 hours
Monthly rainfall
69 mm (2.7 in)
125 mm (4.9 in)
129 mm (5.1 in)
Monthly rainy days
11 days
11 days
11 days
Weather conditions
excellent
very good
good
Climate in Poreč →

Medulin

In September Medulin generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
23°C (73°F)
19°C (66°F)
Min temperature
23°C (73°F)
19°C (66°F)
15°C (59°F)
Monthly sun hours
270 hours
210 hours
150 hours
Monthly rainfall
61 mm (2.4 in)
139 mm (5.5 in)
153 mm (6 in)
Monthly rainy days
11 days
11 days
12 days
Weather conditions
excellent
very good
good
Climate in Medulin →

Umag

In September Umag generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
24°C (75°F)
19°C (66°F)
Min temperature
23°C (73°F)
19°C (66°F)
15°C (59°F)
Monthly sun hours
299 hours
223 hours
166 hours
Monthly rainfall
75 mm (3 in)
144 mm (5.7 in)
153 mm (6 in)
Monthly rainy days
11 days
11 days
11 days
Weather conditions
excellent
very good
good
Climate in Umag →

Is your destination not in the list? Have a look at all destinations in Istria, in Croatia.

Popular cities in September

Day & night temperatures, rainfall and average weather in Istria in September.

City Weather Day temp Night temp Rainfall
Pula 23°C (73°F) 19°C (66°F) 134 mm (5.3 in)
Rovinj 24°C (75°F) 19°C (66°F) 122 mm (4.8 in)
Poreč 24°C (75°F) 19°C (66°F) 125 mm (4.9 in)
Medulin 23°C (73°F) 19°C (66°F) 139 mm (5.5 in)
Umag 24°C (75°F) 19°C (66°F) 144 mm (5.7 in)
Fažana 24°C (75°F) 19°C (66°F) 133 mm (5.2 in)

Istria weather in September: frequently asked questions

What is the weather like in Istria, Croatia in September?

In September, Istria, Croatia generally has very good weather conditions. Pula sees daytime temperatures near 23°C (73°F), with nights cooling to roughly 19°C (66°F).

What is the average temperature in Istria, Croatia in September?

In Pula, the average daytime high in September is 23°C (73°F), while nighttime temperatures drop to around 19°C (66°F).

Does Istria, Croatia get a lot of rain in September?

Istria, Croatia sees substantial rainfall in September. Pula typically averages about 134 mm (5.3 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Istria, Croatia?

Given the typically very good weather conditions in Pula, September might be a good time to visit Istria, Croatia. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Istria, Croatia is in May, June, July and August with generally excellent weather in Pula. On the other hand, the months of January and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Istria.

Weather and climate has detailed information for every country in the world. Are you going to Croatia? Get detailed 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 travel conditions. Find out where to go with our weather planner.

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