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CroatiaThe weather in September in Omišalj
It's warm in September in Omišalj with an average temperature of 25°C. Temperatures this month range from a low of 21°C to a high of 27°C. At night, you can expect temperatures between 14°C and 19°C.
Looking for sun? September isn’t a good month to be in Omišalj. 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 Omišalj, 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 2019, Omišalj 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 7°C to a highest value of 23°C.
Water temperature
The water temperature at Omišalj is 26°C this month. Lovely temperature for a swim.
Rainfall amount
In September, there is an average of 171 mm of precipitation, spread over 18 days. The wind speed is around 3 Bft, mostly coming from the East.
Daily weather in September for Omišalj
Click on any day in September to get detailed info about the usual weather on that day in Omišalj. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Omišalj | New York | |
|---|---|---|
| Average temperature | 25°C | 27°C |
| Max. temperature | 27°C | 31°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 171 mm | 57 mm |
| Rainy days | 18 days | 9 days |
Start of September
The month of September starts in Omišalj with hot temps, averaging around 27°C during the day and nights around 18°C.
Mid September
By mid-September, daytime temps drop to around 26°C, with nights around 18°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 Omišalj is around 23°C, while nighttime temps are about 15°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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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 Omišalj 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 Omišalj, Croatia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Omišalj
Temperature in September in Omišalj over the years
Precipitation charts
These charts show the average amount of precipitation in September in Omišalj, 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 Omišalj
Total precipitation in September in Omišalj over the years
Daily UV index in September in Omišalj
This chart shows the average daily UV index in September in Omišalj, 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 Omišalj
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Average weather in Omišalj by month
Click on a month below to see detailed weather info for Omišalj. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.