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Weather in Grad Split for September 2025

Your guide to Grad Split weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Grad Split at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.9 °C by the end of September.

    • Rain 🌧️

  • Grad Split in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 83.1 mm.

    • More

  • Is September a good time to visit Grad Split? check out the best time to travel to Grad Split page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/18°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Grad Split Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
27°
2
Sunny
27°
3
Sunny
26°
4
Partly cloudy
26°
5
Sunny
27°
6
Sunny
28°
7
Sunny
26°
8
Sunny
27°
9
Partly cloudy
26°
10
Sunny
26°
11
Sunny
26°
12
Sunny
25°
13
Sunny
25°
14
Sunny
24°
15
Partly cloudy
24°
16
Patchy rain possible
24°
17
Heavy rain at times
25°
18
Cloudy
24°
19
Patchy rain possible
23°
20
Partly cloudy
24°
21
Sunny
23°
22
Sunny
23°
23
Sunny
22°
24
Sunny
22°
25
Sunny
22°
26
Sunny
24°
27
Sunny
24°
28
Sunny
24°
29
Sunny
22°
30
Cloudy
22°

Temperatures trend during September in Grad Split

See the weather trend as well as the moving average line

September weather in Grad Split day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 27° /20° 0.9 mm 7
2 Sept. Sunny
Sunny
 27° /19° 0 mm 7
3 Sept. Sunny
Sunny
 26° /19° 0.1 mm 6
4 Sept. Partly cloudy
Partly cloudy
 26° /19° 1 mm 7
5 Sept. Sunny
Sunny
 27° /19° 1.9 mm 7
6 Sept. Sunny
Sunny
 28° /19° 3.2 mm 7
7 Sept. Sunny
Sunny
 26° /19° 0 mm 7
8 Sept. Sunny
Sunny
 27° /20° 0.1 mm 7
9 Sept. Partly cloudy
Partly cloudy
 26° /19° 7 mm 6
10 Sept. Sunny
Sunny
 26° /18° 0.3 mm 7
11 Sept. Sunny
Sunny
 26° /18° 0 mm 7
12 Sept. Sunny
Sunny
 25° /18° 3.1 mm 7
13 Sept. Sunny
Sunny
 25° /17° 4.8 mm 7
14 Sept. Sunny
Sunny
 24° /17° 0.2 mm 7
15 Sept. Partly cloudy
Partly cloudy
 24° /18° 1.6 mm 6
16 Sept. Patchy rain possible
Patchy rain possible
 24° /18° 4.3 mm 6
17 Sept. Heavy rain at times
Heavy rain at times
 25° /17° 7.7 mm 6
18 Sept. Cloudy
Cloudy
 24° /17° 2.7 mm 6
19 Sept. Patchy rain possible
Patchy rain possible
 23° /17° 6.4 mm 5
20 Sept. Partly cloudy
Partly cloudy
 24° /17° 1.7 mm 6
21 Sept. Sunny
Sunny
 23° /16° 1.7 mm 6
22 Sept. Sunny
Sunny
 23° /16° 0.1 mm 6
23 Sept. Sunny
Sunny
 22° /14° 14.8 mm 6
24 Sept. Sunny
Sunny
 22° /15° 2.2 mm 6
25 Sept. Sunny
Sunny
 22° /15° 6.7 mm 5
26 Sept. Sunny
Sunny
 24° /17° 0.8 mm 6
27 Sept. Sunny
Sunny
 24° /18° 1.4 mm 6
28 Sept. Sunny
Sunny
 24° /17° 1.6 mm 6
29 Sept. Sunny
Sunny
 22° /16° 3.4 mm 5
30 Sept. Cloudy
Cloudy
 22° /16° 3.7 mm 6
Next
Important Notice
Our weather forecast for Grad Split in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grad Split forecast closer to your planned date for the most up-to-date weather information.
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Grad Split in September - FAQ

What are the expected maximum and minimum temperatures in Grad Split during September?
During September, expect a variety of temperatures with highs around 24° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grad Split during September?
Moderate rainfall is anticipated in Grad Split during September, with a total of 83.1 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Grad Split during September?
The average wind speed in Grad Split during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Grad Split in September?

As you prepare for your trip to Grad Split in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Grad Split, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Grad Split

Explore the daily rainfall trends and prepare for Grad Splits September weather 💧

UV exposure in Grad Split during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Grad Split?

Get accurate weather forecasts for Grad Split, located at latitude 43.509 and longitude 16.439. Stay updated with localized weather information tailored for Grad Split.

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