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Grad Trogir (Trogir)
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Weather in Grad Trogir for September 2025

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

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Grad Trogir is slightly cooler than the historical average by -0.6 °C.

  • Expect cooler weather in the next days in Grad Trogir with the forecast suggesting a temperature of 22.5 °C, lower than the historical average.

  • In general, the average temperature in Grad Trogir at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.7 °C by the end of September.

    • Rain 🌧️

  • Precipitation in Grad Trogir during September is a rare event, with an average of fewer than 2 rainy days.

    • More

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

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

Average dry days
29
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/17°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
62 %
Avg humidity

Grad Trogir Weather September

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

Temperatures trend during September in Grad Trogir

See the weather trend as well as the moving average line

September weather in Grad Trogir day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 26° /20° 0 mm 7
2 Sept. Partly cloudy
Partly cloudy
 27° /20° 0.1 mm 7
3 Sept. Sunny
Sunny
 27° /20° 0.5 mm 7
4 Sept. Partly cloudy
Partly cloudy
 26° /20° 0.1 mm 7
5 Sept. Sunny
Sunny
 27° /19° 2.5 mm 7
6 Sept. Sunny
Sunny
 28° /20° 4.2 mm 7
7 Sept. Sunny
Sunny
 26° /20° 0 mm 7
8 Sept. Sunny
Sunny
 27° /20° 0.1 mm 6
9 Sept. Sunny
Sunny
 26° /20° 8.9 mm 6
10 Sept. Sunny
Sunny
 26° /19° 3 mm 6
11 Sept. Sunny
Sunny
 25° /19° 1.5 mm 6
12 Sept. Sunny
Sunny
 25° /19° 4.2 mm 6
13 Sept. Partly cloudy
Partly cloudy
 24° /17° 6.4 mm 6
14 Sept. Partly cloudy
Partly cloudy
 22° /17° 0.4 mm 6
15 Sept. Partly cloudy
Partly cloudy
 22° /16° 0.1 mm 6
16 Sept. Patchy rain possible
Patchy rain possible
 25° /21° 1.4 mm 1.4
17 Sept. Patchy rain possible
Patchy rain possible
 25° /18° 0.7 mm 1.3
18 Sept. Sunny
Sunny
 26° /17° 0 mm 1.4
19 Sept. Sunny
Sunny
 25° /18° 0 mm 1.4
20 Sept. Sunny
Sunny
 25° /19° 0 mm 1.7
21 Sept. Sunny
Sunny
 24° /20° 0 mm 6
22 Sept. Sunny
Sunny
 25° /20° 0 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 24° /21° 0.4 mm 5
24 Sept. Moderate rain
Moderate rain
 21° /17° 11.4 mm 4
25 Sept. Patchy rain possible
Patchy rain possible
 19° /15° 4.6 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 20° /16° 3.6 mm 4
27 Sept. Moderate rain
Moderate rain
 17° /15° 13.2 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 18° /15° 2.8 mm 4
29 Sept. Partly cloudy
Partly cloudy
 21° /16° 0 mm 5
30 Sept. Partly cloudy
Partly cloudy
 22° /14° 0 mm 6
Next
Important Notice
Our weather forecast for Grad Trogir 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 Trogir forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Grad Trogir weather in September vs August vs October

Compare September weather in Grad Trogir with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temperatures31°/20°26°/17°22°/16°
Rainfall154 mm201 mm158 mm
Wind17 km/h19.7 km/h19.6 km/h
Humidity55%62%68%
Rainy days2 days1 days4 days
Dry days29 days29 days27 days

Planning a trip to Grad Trogir? Discover the best time to visit

Grad Trogir in September - FAQ

What are the expected maximum and minimum temperatures in Grad Trogir during September?
During September, expect a variety of temperatures with highs around 26° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grad Trogir during September?
Significant rainfall exceeding 201.3 mm is expected in Grad Trogir during September, occurring over more than 1 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Grad Trogir during September?
The average wind speed in Grad Trogir during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Grad Trogir water temperatures in September

The average water temperature of the Adriatic Sea near Grad Trogir in September is 22 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Grad Trogir in September?
The average water temperature in Grad Trogir in September is 22 °C.
Can you swim in Grad Trogir in September?
Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.

What to pack to Grad Trogir in September?

As you prepare for your trip to Grad Trogir 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 Trogir, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • 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
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in Grad Trogir

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

UV exposure in Grad Trogir 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 Trogir?

Get accurate weather forecasts for Grad Trogir, located at latitude 43.513 and longitude 16.252. Stay updated with localized weather information tailored for Grad Trogir.

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