Temperatures in September
It's warm in September in Split with an average temperature of 27°C. Temperatures this month range from a low of 23°C to a high of 29°C. At night, you can expect temperatures between 15°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Split in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Split with hot temperatures, averaging around 29°C during the day and nights close to 21°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-September
By mid-September, the average daytime temperature drops to around 28°C, with nights close to 20°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in Split will be around 25°C, with nights close to 17°C. A shower might show up, but overall the weather will be dry and sunny.
Water temperature
The water temperature at Split is 27°C this month. Nice and warm for a swim.
Precipitation in September
In September, there is an average of 87 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the South.
The average precipitation chance is 28% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Split. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Split in September |
London | ||
|---|---|---|---|
 Average Temperature |
27°C | 20°C | |
 High Temp |
29°C | 22°C | |
| Low Temp |
23°C | 17°C | |
 Total Precipitation |
87 mm | 44 mm | |
| Rainy Days |
8 days | 8 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 Split?
Want nice weather? Then September is a great time to be in Split. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Split in September
With 34°C, Split hit the highest temperature in the last 10 years in September 2015. The lowest daytime temperature in this month was 16°C in 2017. The extreme night temperatures ranged from a low of 11°C to a high of 26°C.
Check out the climate of Split for all months and discover the best travel time
Curious about the climate in other parts of Croatia? Check out the weather and climate in places like Zagreb, Dubrovnik, Istria, or have a look at other destinations in Croatia.
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Daily Temperature in September in Split
This chart shows the average daily temperatures, both day and night, for each day in September in Split, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Split
The chart below shows the average daily precipitation in September for Split, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 8 days of rain in Split.
Daily UV Index in September in Split
This chart shows the average daily UV index in September in Split, 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 Split Over the Years
This chart shows the average temperature in September in Split, measured in degrees Celsius, over the past years.
Total Precipitation in September in Split Over the Years
This chart shows the average precipitation in September in Split, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Split
Click on a specific day in September for detailed info on the typical weather on that day in Split. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Split
Have you been to Split in September?
Share your weather experience in September in Split.
Average Weather in Split by Month
Click on a month below to see detailed weather info for Split. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
