Planning a trip to Split in September? You are in luck! The weather is generally good, with an average maximum temperature of +77°F and approximately 17 sunny days. Just be prepared for some rain, as there are usually around 5 rainy days and 76 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+77°F
Avg. max. temperature
+46°F
Min.
+93°F
Max.
76 mm
Total precipitation
59%
Avg. humidity
2 m/s
Avg. wind
17 ☀️
Sunny Days
3 ⛅️
Cloudy
5 🌦
Rainy
Our opinion: Split has good weather in September.
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Average temperature in Split in September
Here are the expected maximum, average and minimum temperatures in Split for September based on the historical data.
Last Year
Historical Data
Going from a maximum of +88°F during the day to a minimum of +63°F during the night, the temperature in September averages around +82°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +81°F to +81°F.
Is Split warm or cold in September?
Split is typically warm in September.
Maximum temperatures go down compared to the previous month from +86°F to +77°F. The minimum temperature also goes down from +70°F to +63°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Split:
Water temperature in Split in September
Water in Split in September is Comfortable. It varies from +70°F to +80°F, with an average of +75°F.This is almost similar to the air temperature, which averages +77°F.
The water temperature in September is one of the warmest of the entire year:
The warmest water temperatures in Split are reached in August, when the average sea temperature rises to +77°F. The coldest water temperatures are in February, with an average of +56°F.
Can you swim in Split in September?
The water in Split in September is pretty comfortable (+75°F in average). Ideal for swimming, especially in outdoor pools and open water. Suitable for recreational and casual swimmers.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Don’t forget a large beach towel or two for drying off.
Climate in Split in September
Split weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+86°F
+77°F
+70°F
Min. temperature
+57°F
+46°F
+37°F
Max. temperature
+102°F
+93°F
+82°F
Rainfall
36 mm
76 mm
111 mm
Wind
2 m/s
2 m/s
2 m/s
Avg. water temperature
+77°F
+75°F
+68°F
Humidity
52%
59%
65%
Air pressure
1012 HPa
1014 HPa
1016 HPa
Sunny days
21
17
15
Cloudy days
1
3
3
Rainy days
4
5
10
Snowy days
0
0
0
September typically has worse weather conditions compared to August.It’s getting colder in September. From +86°F in the day, the average maximum temperature lowers to +77°F.Prepare for more rain. Average rainfall goes from 36 mm to 76 mm.Humidity rises from 52% to 59%.The average wind speed doesn’t change much during September, staying around 2 m/s.The days becoming less sunny, going from 21 sunny days in August to 17 in September.
October brings much the same weather, it remains good.
Wind speed in Split in September based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Split is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Split based on historical data.
Last Year
Historical Data
Typically, there is a 13% chance of rain on an average day in September, with total rainfall of approximately 30 mm. The maximum amount of rainfall per day is around 22 mm, which is considered light rain.Split is amazing in September with as little as 4 rainy days on average, so plan adventures in the great outdoors.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Split wettest month is November, where a typical day has a 40% chance of precipitation and 174 mm of rainfall per day. July, on the other hand, is the driest month with a mere 13% chance of precipitation and 18 mm of rainfall per day.
How was the weather last September in Split?
This is the weather in Split in September 2023:
1 September
☀️
+80°F
2 September
☀️
+84°F
3 September
☀️
+84°F
4 September
☀️
+80°F
5 September
☀️
+83°F
6 September
☀️
+88°F
7 September
☀️
+87°F
8 September
☀️
+87°F
9 September
☀️
+85°F
10 September
☀️
+84°F
11 September
☀️
+84°F
12 September
☀️
+82°F
13 September
☀️
+82°F
14 September
☀️
+79°F
15 September
☀️
+77°F
16 September
☀️
+80°F
17 September
☀️
+82°F
18 September
☀️
+82°F
19 September
☀️
+83°F
20 September
☀️
+80°F
21 September
🌧️
+79°F
22 September
☁️
+81°F
23 September
🌧️
+76°F
24 September
☀️
+72°F
25 September
☀️
+80°F
26 September
☀️
+84°F
27 September
☀️
+83°F
28 September
☀️
+80°F
29 September
☀️
+80°F
30 September
☀️
+80°F
In September 2023 Split had 27 sunny days, 1 cloudy days, and 2 rainy days. The average maximum temperature was +82°F, with an absolute maximum of +88°F and a minimum of +72°F. The average humidity was 75%, with a maximum of 100% and a minimum of 47%. The average wind speed was 3 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change Over the Years
This is how Split climate has changed over the last 43 years.
The climate in Split in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+63°F) and the highest in 2022 (+71°F). The driest year was 1989 with only 684 mm of rainfall, and the wettest year was 2010 with 1421 mm.
FAQ
Frequently asked questions about the weather in Split in September:
Is September a good time to visit Split?
September is a really good time to go to Split. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Split.
Can you sunbathe in Split in September?
September is warm in Split. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Can you swim in Split in September?
Yes, the water temperature in Split in September is considered moderate and enjoyable for most people, averaging around +75°F.
Is Split rainy in September?
Split is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Split in September?
The amount of sunny days in Split during September varies; prepare for a mix of clouds and sun.
Other cities in Croatia
Check out the weather for other cities in Croatia.
For this page, we’ve looked at the typical weather in Split, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
