Varna weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: July – August
What is the weather like in Varna in September?
In September, Varna is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 22.6 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 55 mm. All in all, September is a good month for a holiday in Varna.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 99 | 75 | 29 |
| Day | 28° | 23° | 17° |
| Night | 20° | 16° | 11° |
| Sea | 25° | 23° | 18° |
| Sun | 10 h | 8 h | 5 h |
| Rain days | 5 | 6 | 7 |
More details for September
- Daylight
- 12 h 34 min06:47 – 19:21
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or more
- Wind
- 16 km/haverage daily peak
- Cloud cover
- 45 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+3Europe/Sofia
How the score comes together
- Temperatureweight 35 %63 %
- Seaweight 25 %80 %
- Sunshineweight 20 %82 %
- Few rainy daysweight 20 %83 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
Varna in September: quick answers
Is Varna hot in September?
Warm rather than hot: in September, daytime highs in Varna average 23 °C and nights cool to about 16 °C.
Can you swim in Varna in September?
Yes. In September the sea averages 22.6 °C – refreshing for a swim.
Does it rain much in Varna in September?
Rain falls on about 6 days, adding up to 55 mm.
Varna month by month
The whole year in VarnaAll destinations: BulgariaWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)