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September Weather in Semyachki, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Semyachki, Russian Federation hovers around 14°C (57°F), with a possibility of dipping to a chilly -2°C (28°F) or warming up to a balmy 30°C (87°F). Expect around 56 mm (2.2 in) of precipitation over approximately 9 days, accompanied by an average humidity level of 78%. Whether you’re prepared for rain or sunshine, this month offers a mix of weather to experience!

September Temperature in Semyachki

In September in Semyachki, the average temperature is 14°C (57°F). Maximums can reach 30°C (87°F), and minimums can be as low as -2°C (28°F). It's advisable to pack layers for your travels, as the weather can vary significantly throughout the day.

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

The chart illustrates September temperature patterns in Semyachki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Semyachki, September typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (87°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec252634455767676657473528
Data source: Temperature data for Semyachki 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 Semyachki

In Semyachki in September, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.

September Precipitation Trends in Semyachki

The chart displays monthly precipitation patterns in Semyachki, 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 Semyachki, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec444840337952954456474264
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Semyachki

In Semyachki in September, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

September Average Humidity in Semyachki

This chart illustrates the average monthly humidity levels in Semyachki, 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 Semyachki is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%92%91%83%71%72%70%68%78%89%93%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Semyachki

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

Maximum UV Index Levels in Semyachki for September

The chart shows the monthly maximum UV Index (UVI) for Semyachki 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 Semyachki typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578776321
Data source: Semyachki 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 Semyachki Compares to Other Months

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

This table compares monthly weather conditions in Semyachki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)44 mm (1.7 inches)97%low
February Weather-4°C (26°F)48 mm (1.9 inches)92%low
March Weather1°C (34°F)40 mm (1.6 inches)91%moderate
April Weather7°C (45°F)33 mm (1.3 inches)83%moderate
May Weather14°C (57°F)79 mm (3.1 inches)71%high
June Weather19°C (67°F)52 mm (2.0 inches)72%very high
July Weather19°C (67°F)95 mm (3.7 inches)70%high
August Weather19°C (67°F)44 mm (1.7 inches)68%high
September Weather14°C (57°F)56 mm (2.2 inches)78%high
October Weather8°C (47°F)47 mm (1.8 inches)89%moderate
November Weather2°C (35°F)42 mm (1.7 inches)93%low
December Weather-2°C (29°F)64 mm (2.5 inches)95%low

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