September Weather in Varna, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Varna, Russian Federation hovers around 12°C (53°F). However, be prepared for a range of temperatures; it can dip to a brisk -2°C (29°F) or soar to a sweltering 34°C (93°F). Travelers can expect about 39 mm (1.5 in) of precipitation spread over 6 days, with an average humidity level of 70%—perfect for a cozy backdrop or a refreshing adventure!

September Temperature in Varna

In September in Varna, the average temperature is 12°C (53°F), with maximums reaching 34°C (93°F) and minimums dropping as low as -2°C (29°F). Overall, this temperature range makes Varna an ideal destination for travelers who enjoy a mix of mild weather and seasonal variation.

September Weather in Varna: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Varna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Varna, September typically has an average temperature of 12°C (53°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec71022435865716853412512
Data source: Temperature data for Varna generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Varna

In Varna in September, the precipitation amount is 39 mm (1.5 in), occurring over the course of 6 days.

September Precipitation Trends in Varna

The chart displays monthly precipitation patterns in Varna, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Varna, September typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec182722313126503939312023
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Varna

In Varna in September humidity is 70%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill wrapping around you, making outdoor activities less enjoyable and prompting the need for warm clothing to stay comfortable while traveling.

September Average Humidity in Varna

This chart illustrates the average monthly humidity levels in Varna, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Varna is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%97%95%85%59%52%53%57%70%86%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Varna

In Varna in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Varna.

Maximum UV Index Levels in Varna for September

The chart shows the monthly maximum UV Index (UVI) for Varna in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Varna typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124677865321
Data source: Varna September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Varna Compares to Other Months

Weather in Varna varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Varna, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Varna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-14°C (8°F)18 mm (0.7 inches)98%low
February Weather-12°C (11°F)27 mm (1.1 inches)97%low
March Weather-5°C (22°F)22 mm (0.8 inches)95%moderate
April Weather6°C (43°F)31 mm (1.2 inches)85%high
May Weather15°C (59°F)30 mm (1.2 inches)59%high
June Weather18°C (65°F)26 mm (1.0 inches)52%high
July Weather22°C (71°F)50 mm (2.0 inches)53%very high
August Weather20°C (68°F)39 mm (1.5 inches)57%high
September Weather12°C (53°F)39 mm (1.5 inches)70%moderate
October Weather5°C (42°F)31 mm (1.2 inches)85%moderate
November Weather-4°C (25°F)20 mm (0.8 inches)89%low
December Weather-11°C (12°F)23 mm (0.9 inches)86%low

Compare Varna's Climate with Cities Worldwide