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September Weather in Sloviansk, Ukraine

Last updated: August 28, 2025

In Sloviansk, Ukraine, the average temperature in September is a comfortable 17°C (63°F). However, be prepared for a wide range of conditions, as temperatures can drop to a chilly -1°C (30°F) or soar to a scorching 35°C (95°F). Expect a bit of rain, with an average precipitation of 24 mm (0.9 in) over 4 days. The average humidity sits at a moderate 60%, making for a pleasant atmosphere overall.

September Temperature in Sloviansk

In September in Sloviansk, the average temperature is 17°C (63°F). Maximum temperatures can reach as high as 35°C (95°F), while minimums can drop to -1°C (30°F). This variation in temperatures means travelers should pack accordingly for a range of weather conditions.

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

The chart illustrates September temperature patterns in Sloviansk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sloviansk, September typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec272937506172737363513732
Data source: Temperature data for Sloviansk 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 Sloviansk

In Sloviansk in September, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

September Precipitation Trends in Sloviansk

The chart displays monthly precipitation patterns in Sloviansk, 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 Sloviansk, September typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec474246404745423024303550
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sloviansk

In Sloviansk in September humidity is 60%. With an average temperature of 17°C (63°F), this humidity feels like a slight weight in the air, making it perfect for leisurely strolls but a bit sticky for intense outdoor activities.

September Average Humidity in Sloviansk

This chart illustrates the average monthly humidity levels in Sloviansk, 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 Sloviansk is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%92%87%75%65%64%53%47%60%78%91%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sloviansk

In Sloviansk in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sloviansk, you can refer to this Hourly UV Index in Sloviansk.

Maximum UV Index Levels in Sloviansk for September

The chart shows the monthly maximum UV Index (UVI) for Sloviansk 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 Sloviansk typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec225689876421
Data source: Sloviansk 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 Sloviansk Compares to Other Months

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

This table compares monthly weather conditions in Sloviansk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)47 mm (1.9 inches)88%low
February Weather-2°C (29°F)42 mm (1.6 inches)92%low
March Weather3°C (37°F)46 mm (1.8 inches)87%moderate
April Weather10°C (50°F)40 mm (1.6 inches)75%high
May Weather16°C (61°F)47 mm (1.9 inches)65%very high
June Weather22°C (72°F)45 mm (1.8 inches)64%very high
July Weather23°C (74°F)42 mm (1.6 inches)52%very high
August Weather23°C (73°F)30 mm (1.2 inches)47%high
September Weather17°C (63°F)24 mm (0.9 inches)60%high
October Weather10°C (51°F)30 mm (1.2 inches)78%moderate
November Weather3°C (37°F)35 mm (1.4 inches)91%low
December Weather0°C (32°F)50 mm (2.0 inches)94%low

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