Weather in Varna in September 2025
Average weather
Average temperature in Varna in September
The expected average maximum temperature in September is +26°C with a maximum of +29°C and a minimum of +14°C.
The average maximum temperature goes down 20% by the end of the month, compared with the beginning of the month, from +29°C to +26°C.
Is Varna warm or cold in September?
Varna is typically warm in September.
Maximum temperatures go down compared to the previous month from +27°C to +23°C. The minimum temperature also goes down from +19°C to +15°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Varna:
Water temperature in Varna in September
Water in Varna in September is Comfortable. It varies from +20°C to +25°C, with an average of +23°C. This is almost similar to the air temperature, which averages +23°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Varna in September?
Climate in Varna in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +23°C | +18°C | ||||
| Min. temperature | ||||||
| +12°C | +4°C | 0°C | ||||
| Max. temperature | ||||||
| +37°C | +36°C | +31°C | ||||
| Rainfall | ||||||
| 34 mm | 44 mm | 48 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +25°C | +23°C | +18°C | ||||
| Humidity | ||||||
| 70% | 73% | 78% | ||||
| Air pressure | ||||||
| 1013 HPa | 1015 HPa | 1018 HPa | ||||
| Sunny days | ||||||
| 16 | 13 | 9 | ||||
| Cloudy days | ||||||
| 4 | 7 | 11 | ||||
| Rainy days | ||||||
| 8 | 8 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +27°C in the day, the average maximum temperature lowers to +23°C. Prepare for more rain. Average rainfall goes from 34 mm to 44 mm. Humidity rises from 70% to 73%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 16 sunny days in August to 13 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Varna is gradually increasing during September, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last September in Varna?
Climate Change over Years
The climate in Varna in September has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+14°C) and the highest in 2020 (+19°C). The driest year was 2000 with only 324 mm of rainfall, and the wettest year was 2014 with 785 mm.
FAQ
Is September a good time to visit Varna?
Can you sunbathe in Varna in September?
Can you swim in Varna in September?
Is Varna rainy in September?
Is it sunny in Varna in September?
Other cities in Bulgaria
Monthly weather in Varna
Source of the data
For this page, we’ve looked at the typical weather in Varna, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.