Sliven

Obshtina Sliven, Oblast Sliven, Bulgaria

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Current Weather

20°

Partly Cloudy

Feels Like: 20°

Min: 14°

Max: 23°

The next few hours will be partly cloudy, with today reaching 23°C and dropping to 14°C. The coming days will be mostly clear

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Hourly Forecast

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10am
11am
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8pm
9pm
10pm
11pm
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1am
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Today
Tomorrow

Daylight Hours

07:02

Sunrise

19:15

Sunset

12 hours 13 minutes of sunlight today

Moon

Waxing Crescent

12:44

Moonrise

21:37

Moonset

Daily Forecast

Today

14°
23°

Thursday

13°
24°

Friday

13°
25°

Saturday

15°
26°

Sunday

15°
26°

Monday

16°
25°

Tuesday

14°
19°

Wednesday

12°
18°

Thursday

10°
20°

Friday

11°
18°

Air Quality Data Available

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UV Index

No protection needed
2 Low
Low Extreme

Humidity

53% Comfortable
Low High

Weather in Sliven today, September 16, 2026

Sliven stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning looks comparatively open, with cloud near 50% around 11:00. Early outdoor plans have a better chance of staying dry and bright.

The day peaks near 23°C and cools toward 14°C. Relative humidity sits between 37% and 80%, reaching its peak around 23:00. Airflow remains manageable, reaching about 3.1 km/h around 14:00.

Expect persistent cloud later on, with amounts around 83% by 13:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 41.4 km on average, though it can drop toward 34.7 km in thicker cloud or showers. Sunrise is at 07:02 and sunset at 19:15, giving 12 hours 13 minutes of sunlight today.

In short, cloud leads the story in Sliven on September 16, 2026; expect limited sun and a peak around 23°C.

Frequently asked questions about weather in Sliven

How warm does it get in Sliven?

The warmest month in Sliven is August, with average high temperatures of 29°C. The average temperature during this period is around 23°C.

How cold does it get in Sliven?

The coldest month in Sliven is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.

What is the wettest time of year in Sliven?

The wettest month in Sliven is May, with an average of 108mm of precipitation.

What is the driest time of year in Sliven?

The driest month in Sliven is September, with an average of 35mm of precipitation.

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Metric (°C, km/h)