World Resorts Bulgaria Duni Weather

Duni weather in September

Weather in Duni: September

Average day temperature: 76.7°F
Average night temperature: 62.5°F
Sea water temperature: 74.4°F
Number of sunny days: 21 days
Day length: 11.8 - 13.2 hours
Number of rainy days: 1 day
Precipitation totals: 0.8 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 86°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during September were 75.4°F and 63.0°F.

Sea water temperature in Duni in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 75.0°F. The highest and lowest sea temperatures during the month were 77.2°F and 71.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Duni in September is 0.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 9.1 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 9.2.

Best time for vacation in Duni

Sunniest months:
August 28 days
July 26 days
June 21 days
Warmest months:
July 84.4 °F
August 84.2 °F
June 78.2 °F
Warmest sea temp:
August 78.3 °F
July 77.0 °F
September 74.4 °F
Coldest months:
January 43.0 °F
February 46.2 °F
December 46.6 °F
Rainiest months:
June 3 days
December 3 days
January 3 days
Windiest months:
February 9.6 mph
August 9.0 mph
January 8.9 mph

Duni on a weather map

Duni
+55°F
W 13 mph
Feels like: +54°F
Precip.: 0%
Places in Bulgaria:
Name
°F
+32°F
+55°F
+55°F
+55°F
+55°F
+55°F
+55°F
+55°F
+55°F
+55°F
+55°F
+55°F
+55°F
+45°F
+55°F
24 Hours Forecast
Duni
Local time: 09:39
December 05, friday
1200
57°F
W
15 mph
1500
57°F
W
19 mph
1800
55°F
W
20 mph
2100
55°F
W
20 mph
December 06, saturday
0000
55°F
SW
17 mph
0300
55°F
SW
17 mph
0600
55°F
SW
16 mph
0900
55°F
SW
15 mph
Units of measurement: °C / °F