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September Weather in Slavyanovo, Bulgaria

Last updated: August 22, 2025

In September, the average temperature in Slavyanovo, Bulgaria is a pleasant 20°C (68°F). However, temperatures can fluctuate significantly, with a minimum of 2°C (35°F) and a maximum of 36°C (97°F). Visitors can expect an average precipitation of 16 mm (0.6 in) over about 3 days, accompanied by a comfortable average humidity of 59%.

September Temperature in Slavyanovo

In September in Slavyanovo, the average temperature is 20°C (68°F). The maximum can reach 36°C (97°F) and the minimum can be as low as 2°C (35°F). This wide temperature range means travelers should pack accordingly, bringing clothing suitable for both warm days and cool nights.

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

The chart illustrates September temperature patterns in Slavyanovo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slavyanovo, September typically has an average temperature of 20°C (68°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333945546471757668564637
Data source: Temperature data for Slavyanovo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Slavyanovo

In Slavyanovo in September, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 days.

September Precipitation Trends in Slavyanovo

The chart displays monthly precipitation patterns in Slavyanovo, 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 Slavyanovo, September typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec42457642751091033616644554
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Slavyanovo

In Slavyanovo in September, humidity is 59%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, creating a slightly muggy atmosphere that can be a bit stifling for outdoor activities, yet refreshing during cooler, shaded moments, making it ideal for leisurely sightseeing and exploration in the early mornings or late afternoons.

September Average Humidity in Slavyanovo

This chart illustrates the average monthly humidity levels in Slavyanovo, 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 Slavyanovo is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%85%83%71%73%67%68%50%59%79%87%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Slavyanovo

In Slavyanovo in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Slavyanovo.

Maximum UV Index Levels in Slavyanovo for September

The chart shows the monthly maximum UV Index (UVI) for Slavyanovo 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 Slavyanovo typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789987532
Data source: Slavyanovo 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 Slavyanovo Compares to Other Months

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

This table compares monthly weather conditions in Slavyanovo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)42 mm (1.6 inches)89%low
February Weather4°C (39°F)45 mm (1.8 inches)85%moderate
March Weather7°C (45°F)76 mm (3.0 inches)83%high
April Weather12°C (55°F)42 mm (1.6 inches)71%high
May Weather18°C (64°F)75 mm (3.0 inches)73%very high
June Weather22°C (71°F)109 mm (4.3 inches)67%very high
July Weather24°C (75°F)103 mm (4.1 inches)68%very high
August Weather24°C (76°F)36 mm (1.4 inches)50%very high
September Weather20°C (68°F)16 mm (0.6 inches)59%high
October Weather13°C (56°F)64 mm (2.5 inches)79%moderate
November Weather8°C (46°F)45 mm (1.8 inches)87%moderate
December Weather3°C (38°F)54 mm (2.1 inches)89%low

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