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September Weather in Semey, Kazakhstan

Last updated: August 23, 2025

The average temperature in Semey, Kazakhstan during September is a mild 13°C (56°F). Expect a minimum temperature of around -4°C (25°F) and a potential maximum of 34°C (94°F). During this month, precipitation averages 30 mm (1.2 in) over 6 days, with an average humidity level of 58%.

September Temperature in Semey

In September in Semey, the average temperature is 13°C (56°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as -4°C (25°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both warm days and potentially chilly nights.

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

The chart illustrates September temperature patterns in Semey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Semey, September typically has an average temperature of 13°C (56°F), with highs reaching up to 34°C (94°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec51024466069726955422411
Data source: Temperature data for Semey 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 Semey

In Semey in September, the total precipitation amount is 30 mm (1.2 in) spread across 6 days.

September Precipitation Trends in Semey

The chart displays monthly precipitation patterns in Semey, 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 Semey, September typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec202326212534333330323029
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Semey

In Semey in September, humidity is 58%. With an average temperature of 13°C (56°F), this humidity feels like a refreshing coolness that invigorates the senses, making it pleasant for traveling as long as you dress in layers to adjust to the slight chill.

September Average Humidity in Semey

This chart illustrates the average monthly humidity levels in Semey, 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 Semey is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%90%73%53%39%45%49%58%77%81%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Semey

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

Maximum UV Index Levels in Semey for September

The chart shows the monthly maximum UV Index (UVI) for Semey 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 Semey typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Semey 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 Semey Compares to Other Months

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

This table compares monthly weather conditions in Semey, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-15°C (5°F)19 mm (0.8 inches)92%low
February Weather-12°C (11°F)23 mm (0.9 inches)93%moderate
March Weather-5°C (24°F)26 mm (1.0 inches)90%moderate
April Weather8°C (47°F)21 mm (0.8 inches)73%high
May Weather16°C (60°F)25 mm (1.0 inches)53%very high
June Weather20°C (69°F)34 mm (1.4 inches)39%very high
July Weather22°C (72°F)33 mm (1.3 inches)45%very high
August Weather21°C (70°F)33 mm (1.3 inches)49%high
September Weather13°C (56°F)30 mm (1.2 inches)58%high
October Weather5°C (42°F)32 mm (1.3 inches)77%moderate
November Weather-4°C (24°F)30 mm (1.2 inches)81%low
December Weather-11°C (12°F)29 mm (1.1 inches)89%low

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