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Obshtina Sliven (Sliven)
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Weather in Obshtina Sliven for September 2025

Your guide to Obshtina Sliven weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Obshtina Sliven has been nearly identical to the historical average, with a temperature of 28.9 °C (showing only a slight deviation of 0.5 °C).

  • Expect cooler weather in the next days in Obshtina Sliven with the forecast suggesting a temperature of 25.1 °C, lower than the historical average.

  • In general, the average temperature in Obshtina Sliven at the beginning of September is 30.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.6 °C by the end of September.

    • Rain 🌧️

  • Obshtina Sliven experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 70.8 mm.

    • More

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

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

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/14°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
56 %
Avg humidity

Obshtina Sliven Weather September

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

Temperatures trend during September in Obshtina Sliven

See the weather trend as well as the moving average line

September weather in Obshtina Sliven day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 29° /15° 0.2 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 31° /17° 0.1 mm 7
3 Sept. Partly cloudy
Partly cloudy
 33° /18° 0 mm 8
4 Sept. Moderate rain at times
Moderate rain at times
 31° /17° 0.2 mm 8
5 Sept. Partly cloudy
Partly cloudy
 30° /15° 0 mm 8
6 Sept. Moderate rain at times
Moderate rain at times
 30° /15° 0.4 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
 27° /14° 0.2 mm 7
8 Sept. Sunny
Sunny
 28° /14° 0 mm 7
9 Sept. Sunny
Sunny
 29° /14° 0 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
 27° /16° 1.1 mm 7
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /15° 12.2 mm 7
12 Sept. Sunny
Sunny
 26° /15° 1.6 mm 7
13 Sept. Moderate rain at times
Moderate rain at times
 26° /15° 0.5 mm 6
14 Sept. Moderate rain at times
Moderate rain at times
 25° /12° 7.1 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 20° /10° 3.7 mm 5
16 Sept. Sunny
Sunny
 29° /14° 0 mm 1.5
17 Sept. Patchy rain possible
Patchy rain possible
 23° /12° 0.9 mm 0.9
18 Sept. Sunny
Sunny
 23° /10° 0 mm 1
19 Sept. Sunny
Sunny
 23° /11° 0 mm 1.8
20 Sept. Sunny
Sunny
 25° /12° 0 mm 5
21 Sept. Sunny
Sunny
 26° /11° 0 mm 5
22 Sept. Sunny
Sunny
 28° /12° 0 mm 5
23 Sept. Sunny
Sunny
 29° /13° 0 mm 6
24 Sept. Sunny
Sunny
 32° /16° 0 mm 6
25 Sept. Sunny
Sunny
 32° /18° 0 mm 6
26 Sept. Partly cloudy
Partly cloudy
 23° /14° 0 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
 16° /12° 0.8 mm 3
28 Sept. Cloudy
Cloudy
 21° /12° 0 mm 4
29 Sept. Sunny
Sunny
 22° /9° 0 mm 4
30 Sept. Light drizzle
Light drizzle
 12° /9° 4.2 mm 3
Next
Important Notice
Our weather forecast for Obshtina Sliven 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 Obshtina Sliven forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Obshtina Sliven weather in September vs August vs October

Compare September weather in Obshtina Sliven 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
Patchy rain possible
Patchy rain possible
Sunny
Sunny
Temperatures32°/18°25°/14°19°/8°
Rainfall24 mm71 mm26 mm
Wind16.1 km/h15.3 km/h10.2 km/h
Humidity45%56%58%
Rainy days6 days8 days4 days
Dry days25 days22 days27 days

Planning a trip to Obshtina Sliven? Discover the best time to visit

Obshtina Sliven in September - FAQ

What are the expected maximum and minimum temperatures in Obshtina Sliven during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Obshtina Sliven during September?
Moderate rainfall is anticipated in Obshtina Sliven during September, with a total of 70.8 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Obshtina Sliven during September?
The average wind speed in Obshtina Sliven during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Obshtina Sliven in September?

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

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long 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
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Obshtina Sliven

Explore the daily rainfall trends and prepare for Obshtina Slivens September weather 💧

UV exposure in Obshtina Sliven during September

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

Get accurate weather forecasts for Obshtina Sliven, located at latitude 42.686 and longitude 26.329. Stay updated with localized weather information tailored for Obshtina Sliven.

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