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September Weather in Kupiansk, Ukraine

Last updated: August 28, 2025

In September, the average temperature in Kupiansk, Ukraine is a mild 17°C (62°F). However, temperatures can range from a chilly -2°C (29°F) to a sweltering 35°C (94°F). Expect 29 mm (1.1 in) of precipitation over 6 days, and enjoy an average humidity of 60% for a comfortable atmosphere.

September Temperature in Kupiansk

In September in Kupiansk, the average temperature is 17°C (62°F), with maximums reaching 35°C (94°F) and minimums dropping as low as -2°C (29°F). This wide temperature range makes it essential for travelers to pack accordingly and be prepared for varying weather conditions.

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

The chart illustrates September temperature patterns in Kupiansk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kupiansk, September typically has an average temperature of 17°C (62°F), with highs reaching up to 35°C (94°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec262735496070737262503630
Data source: Temperature data for Kupiansk 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 Kupiansk

In Kupiansk in September, the precipitation amount is 29 mm (1.1 in) over the course of 6 days.

September Precipitation Trends in Kupiansk

The chart displays monthly precipitation patterns in Kupiansk, 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 Kupiansk, September typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec494547406441442729343957
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kupiansk

In Kupiansk in September humidity is 60%. With an average temperature of 17°C (62°F), this humidity feels like a refreshing embrace, making travel both comfortable and invigorating as you explore the sights without feeling overly sticky or uncomfortable.

September Average Humidity in Kupiansk

This chart illustrates the average monthly humidity levels in Kupiansk, 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 Kupiansk 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 Kupiansk

In Kupiansk 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 Kupiansk, you can refer to this Hourly UV Index in Kupiansk.

Maximum UV Index Levels in Kupiansk for September

The chart shows the monthly maximum UV Index (UVI) for Kupiansk 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 Kupiansk typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678876421
Data source: Kupiansk 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 Kupiansk Compares to Other Months

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

This table compares monthly weather conditions in Kupiansk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)49 mm (1.9 inches)88%low
February Weather-3°C (27°F)44 mm (1.8 inches)92%moderate
March Weather2°C (35°F)47 mm (1.9 inches)87%moderate
April Weather10°C (50°F)40 mm (1.6 inches)75%high
May Weather16°C (60°F)64 mm (2.5 inches)65%high
June Weather21°C (71°F)41 mm (1.6 inches)64%very high
July Weather23°C (73°F)44 mm (1.7 inches)52%very high
August Weather22°C (72°F)27 mm (1.1 inches)47%high
September Weather17°C (62°F)29 mm (1.1 inches)60%high
October Weather10°C (51°F)34 mm (1.3 inches)78%moderate
November Weather2°C (36°F)39 mm (1.5 inches)91%low
December Weather-1°C (31°F)57 mm (2.2 inches)94%low

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