Kosharitsa Weather in September

Kosharitsa in September sees high daytime temperatures of 24°C (75°F) and nighttime lows of 16°C (61°F). Rainfall is fairly high this month at around 62 mm (2.4 in), so pack a rain jacket to stay dry.

Rainfall in Kosharitsa in September

Analyzing past climate data, one can expect approximately 4 days of rain, averaging 62 mm (2.4 in). The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Kosharitsa in September

September is one of the better months to visit Kosharitsa. Expect 24°C (75°F) during the day and 16°C (61°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Kosharitsa in September

The month enjoys around 246 hours of sunshine, creating mostly sunny days with good weather conditions.

Average water temperature in September

At 24°C (75°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Kosharitsa.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Bulgaria, check out our Kosharitsa's climate page.

Kosharitsa Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 24°C (75°F)  

Water Temperature 24°C (75°F) *  

Chance of Rain 15%  

Precipitation 62 mm (2.4 in)  

Rainy days 4 days  

Humidity 72% *  

Sunshine 246 hours *  

Percentage Sunshine *  

* Data from: Sunny Beach, Bulgaria (6 KM, 4 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Kosharitsa typically drop from around 26°C (79°F) at the start of September to approximately 22°C (72°F) by the end. Nights are pleasant, with lows typically ranging from 12°C (54°F) to 16°C (61°F).

Average temperatures in September

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Daily Historical Precipitation

49-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Kosharitsa in September

Browse day-by-day weather records for Kosharitsa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Kosharitsa historical weather extremes in September

Based on weather observations in Kosharitsa between 1997 and 2025, these are the recorded extremes during September.

• The warmest day in September was on September 15, 2022, with a maximum of 35°C (95°F).
• The coldest September day was on September 21, 2007, with a maximum of 13°C (55°F).
• The coldest night in September in Kosharitsa was on September 23, 1997, with a minimum of 3°C (37°F).

What to Wear in Kosharitsa in September

For Kosharitsa in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. With water temperatures around 24°C (75°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Kosharitsa in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Bulgaria, check out our Kosharitsa's climate page.

More climate data for Kosharitsa

Temperature Rainfall Sunshine Humidity Water Temp

See the full Kosharitsa climate overview or explore weather in Bulgaria.