The weather in September in Umag

It's warm in September in Umag with an average temperature of 25°C. Temperatures this month range from a low of 21°C to a high of 28°C. At night, you can expect temperatures between 11°C and 16°C.

Looking for sun? September isn’t a good month to be in Umag. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Umag, Croatia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 32°C in 2016, Umag reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 15°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 23°C.

Water temperature

The water temperature at Umag is 26°C this month. Lovely temperature for a swim.

Rainfall amount

In September, there is an average of 143 mm of precipitation, spread over 16 days. The wind speed is around 3 Bft, mostly coming from the East.

Daily weather in September for Umag

Click on any day in September to get detailed info about the usual weather on that day in Umag. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Umag New York
Average temperature 25°C 27°C
Max. temperature 28°C 31°C
Min. temperature 11°C -5°C
Total precipitation 143 mm 57 mm
Rainy days 16 days 9 days

Start of September

The month of September starts in Umag with hot temps, averaging around 27°C during the day and nights around 16°C.

Mid September

By mid-September, daytime temps drop to around 26°C, with nights around 15°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Umag is around 23°C, while nighttime temps are about 13°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Find affordable trips to Umag

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Umag for all months and discover the best travel time

Curious about the weather in other parts of Croatia? Check out the climate and weather for spots like Zagreb, Dubrovnik, Istria, or explore other destinations in Croatia.

Temperature charts

These charts show the average temperatures in September in Umag, Croatia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Umag

Temperature in September in Umag over the years

Precipitation charts

These charts show the average amount of precipitation in September in Umag, Croatia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Umag

Total precipitation in September in Umag over the years

Daily UV index in September in Umag

This chart shows the average daily UV index in September in Umag, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Umag

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Average weather in Umag by month

Click on a month below to see detailed weather info for Umag. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.