CroatiaAverage weather for Grobnik in September
It's warm in September in Grobnik with an average temperature of 25°C. Temperatures this month range from a low of 20°C to a high of 27°C. At night, you can expect temperatures between 13°C and 18°C.
Start of September
The month of September starts in Grobnik with hot temps, averaging around 27°C during the day and nights around 17°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers.
Mid September
By mid-September, daytime temps drop to around 26°C, with nights around 17°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
Since it cools down at night, it’s a good idea to wear layers.
End of September
By the end of September, the average daytime temperature in Grobnik is around 22°C, while nighttime temps are about 14°C. There’s a significant chance of many days with precipitation.
In September, there is an average of 190 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Grobnik in September |
New York | ||
|---|---|---|---|
 Average temperature |
25°C | 27°C | |
 Max. temperature |
27°C | 31°C | |
| Min. temperature |
20°C | -5°C | |
 Total precipitation |
190 mm | 57 mm | |
| Rainy days |
10 days | 9 days | |
August
UV index
The UV index is a maximum of 7 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.
Is September a good time to visit Grobnik?
Looking for sun? September isn’t a good month to be in Grobnik. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 33°C in 2019, Grobnik reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 14°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 23°C.
Check out the climate of Grobnik 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.
Daily Temperature in September in Grobnik
This chart shows the average daily high and low temperatures in September for Grobnik, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Grobnik
The chart below shows the average daily precipitation in September for Grobnik, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 10 days of precipitation in Grobnik.
Daily UV index in September in Grobnik
This chart shows the average daily UV index in September in Grobnik, 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.
Temperature in September in Grobnik over the years
This chart shows the average temperature in September in Grobnik, measured in degrees Celsius, over the past few years.
Total precipitation in September in Grobnik over the years
This chart shows the average precipitation in September in Grobnik, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Grobnik
Click on any day in September to get detailed info about the usual weather on that day in Grobnik. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Grobnik
Have you been to Grobnik in September?
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Average weather in Grobnik by month
Click on a month below to see detailed weather info for Grobnik. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
