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Kostenets Weather in September
Kostenets in September averages 21°C (70°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Kostenets in September
Typically around 6 days of rainfall are expected, averaging 77 mm (3 in) for the month. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Kostenets in September
Kostenets in September has excellent weather. Days reach 21°C (70°F) and nights cool to 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Kostenets in September
The month enjoys around 225 hours of sunshine, creating mostly sunny days with good weather conditions.If your ideal day consists of dry skies and pleasant temperatures, August and September typically offer the best circumstances for Kostenets.
Kostenets Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
19%
Precipitation
77 mm (3 in)
Rainy days
6 days
Humidity
65% *
Sunshine
225 hours *
Percentage Sunshine
*
* Data from: Sofia, Bulgaria (70 KM, 43 Miles).
Kostenets Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kostenets - and find the best time to visit.
Best Places in Bulgaria in September
Find out more about the weather in Bulgaria and which places have the best travel conditions in this month. See all of Bulgaria in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Kostenets in September
For Kostenets 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Kostenets in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping4/10 -
Outdoor sports9/10
Kostenets 3-Day Forecast
More climate data for Kostenets
Temperature Rainfall Sunshine Humidity
See the full Kostenets climate overview or explore weather in Bulgaria.
Popular in September
Where to go in September - average daytime high across popular destinations.
Sveti Vlas
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