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Weather in Osijek for September 2025

Your guide to Osijek weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Thunderstorm Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Osijek is slightly cooler than the historical average by -0.9 °C.

  • An exceptional deviation from the historical average is forecasted for next days of September 2025 in Osijek with the forecasted temperature being 26.5 °C, much lower than usual.

  • In general, the average temperature in Osijek at the beginning of September is 32.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.9 °C by the end of September.

    • Rain 🌧️

  • The climate of Osijek in September is notably wet, with an average of 11 rainy days, and a total of 72.3 mm of precipitation.

    • More

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

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

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/15°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
54 %
Avg humidity

Osijek Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
32°
2
Sunny
34°
3
Thundery outbreaks possible
32°
4
Partly cloudy
33°
5
Sunny
33°
6
Sunny
31°
7
Sunny
32°
8
Sunny
33°
9
Sunny
30°
10
Patchy rain possible
29°
11
Sunny
30°
12
Sunny
31°
13
Partly cloudy
25°
14
Thundery outbreaks possible
22°
15
Weather Alert Sunny
27°
16
Weather Alert Moderate rain
27°
17
Weather Alert Patchy rain possible
21°
18
Sunny
23°
19
Sunny
26°
20
Sunny
27°
21
Sunny
28°
22
Sunny
30°
23
Sunny
30°
24
Sunny
31°
25
Patchy rain possible
29°
26
Patchy rain possible
24°
27
Partly cloudy
24°
28
Partly cloudy
24°
29
Sunny
20°
30
Partly cloudy
22°

Temperatures trend during September in Osijek

See the weather trend as well as the moving average line

September weather in Osijek day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 32° /16° 0 mm 8
2 Sept. Sunny
Sunny
 34° /17° 0 mm 8
3 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 32° /18° 0 mm 7
4 Sept. Partly cloudy
Partly cloudy
 33° /17° 0 mm 8
5 Sept. Sunny
Sunny
 33° /16° 0 mm 8
6 Sept. Sunny
Sunny
 31° /16° 1.7 mm 7
7 Sept. Sunny
Sunny
 32° /15° 0.4 mm 8
8 Sept. Sunny
Sunny
 33° /17° 0 mm 8
9 Sept. Sunny
Sunny
 30° /17° 2.3 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
 29° /17° 0.1 mm 6
11 Sept. Sunny
Sunny
 30° /15° 1.7 mm 7
12 Sept. Sunny
Sunny
 31° /15° 0.1 mm 7
13 Sept. Partly cloudy
Partly cloudy
 25° /14° 6.9 mm 6
14 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 22° /13° 4.7 mm 5
15 Sept. Sunny
Sunny
 27° /14° 0 mm 1.3
16 Sept. Moderate rain
Moderate rain
 27° /14° 8.5 mm 1
17 Sept. Patchy rain possible
Patchy rain possible
 21° /13° 4.9 mm 0.9
18 Sept. Sunny
Sunny
 23° /11° 0 mm 1.3
19 Sept. Sunny
Sunny
 26° /14° 0 mm 1.7
20 Sept. Sunny
Sunny
 27° /15° 0 mm 6
21 Sept. Sunny
Sunny
 28° /15° 0 mm 6
22 Sept. Sunny
Sunny
 30° /17° 0 mm 6
23 Sept. Sunny
Sunny
 30° /16° 0 mm 6
24 Sept. Sunny
Sunny
 31° /16° 0 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 29° /19° 0.9 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
 24° /17° 1.6 mm 4
27 Sept. Partly cloudy
Partly cloudy
 24° /17° 0 mm 5
28 Sept. Partly cloudy
Partly cloudy
 24° /15° 0.1 mm 5
29 Sept. Sunny
Sunny
 20° /11° 3.8 mm 5
30 Sept. Partly cloudy
Partly cloudy
 22° /10° 0 mm 6
Next
Important Notice
Our weather forecast for Osijek 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 Osijek forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Osijek weather in September vs August vs October

Compare September weather in Osijek 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
Partly cloudy
Partly cloudy
Temperatures33°/18°27°/15°21°/11°
Rainfall56 mm72 mm30 mm
Wind17 km/h17.7 km/h15.8 km/h
Humidity46%54%58%
Rainy days15 days11 days8 days
Dry days16 days19 days23 days

Planning a trip to Osijek? Discover the best time to visit

Guide for Osijek in September

In September, Osijek, Croatia experiences a transition from the warm summer weather to the cooler temperatures of autumn. At the beginning of the month, the weather in Osijek is generally pleasant with average temperatures around 22° and occasional rainfall.

The days are still relatively long, providing ample opportunity for outdoor activities and sightseeing. However, as the month progresses, the temperatures gradually begin to decrease.

By the end of September, Osijek sees a noticeable drop in temperatures, with average highs around 20° and cooler evenings. The city experiences a decrease in precipitation compared to the earlier part of the month, making it a great time to explore the city and its surroundings.

The weather is generally comfortable for outdoor excursions, but visitors should be prepared for cooler evenings and potential fluctuations in weather conditions.

Overall, September in Osijek offers a mix of late summer warmth and early autumn coolness, making it an ideal time to enjoy the city's attractions and outdoor spaces before the arrival of the colder months.

Osijek in September - FAQ

Is September a good time to visit Osijek?
Yes, September is a good time to traveling to Osijek, read more about the best time to visit Osijek.
What are the expected maximum and minimum temperatures in Osijek during September?
During September, expect a variety of temperatures with highs around 27° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Osijek during September?
Moderate rainfall is anticipated in Osijek during September, with a total of 72.3 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Osijek during September?
The average wind speed in Osijek during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Osijek in September?

As you prepare for your trip to Osijek 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 Osijek, 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 Osijek

Explore the daily rainfall trends and prepare for Osijeks September weather 💧

UV exposure in Osijek during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Osijek?

Get accurate weather forecasts for Osijek, located at latitude 45.551 and longitude 18.694. Stay updated with localized weather information tailored for Osijek.

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