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September Weather in Siva, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Siva, Russian Federation hovers around 9°C (49°F). Be prepared for a range of temperatures, as it can dip to a brisk -2°C (28°F) and rise to a warm 24°C (75°F). With 60 mm (2.4 in) of precipitation spread over 11 days, you might want to carry an umbrella! This month typically sees an average humidity of 91%, making the air feel quite moist.

September Temperature in Siva

In September in Siva, the average temperature is 9°C (49°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -2°C (28°F). Pack layers to accommodate the wide temperature range when traveling during this time.

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

The chart illustrates September temperature patterns in Siva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siva, September typically has an average temperature of 9°C (49°F), with highs reaching up to 24°C (75°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec111323375158656048392516
Data source: Temperature data for Siva 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 Siva

In Siva in September, the precipitation amount is 60 mm (2.4 in) over the course of 11 days.

September Precipitation Trends in Siva

The chart displays monthly precipitation patterns in Siva, 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 Siva, September typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec3447385250681086960565044
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Siva

In Siva in September humidity is 91%. With an average temperature of 9°C (49°F), this humidity feels like a chilly mist enveloping you, making travel uncomfortable as the dampness seeps into your clothing and chills you to the bone.

September Average Humidity in Siva

This chart illustrates the average monthly humidity levels in Siva, 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 Siva is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec100%98%95%90%82%77%83%84%91%92%95%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Siva

In Siva in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Siva for better planning.

Maximum UV Index Levels in Siva for September

The chart shows the monthly maximum UV Index (UVI) for Siva 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 Siva typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467664211
Data source: Siva 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 Siva Compares to Other Months

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

This table compares monthly weather conditions in Siva, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (11°F)34 mm (1.3 inches)100%low
February Weather-10°C (14°F)47 mm (1.8 inches)97%low
March Weather-5°C (24°F)38 mm (1.5 inches)95%moderate
April Weather3°C (38°F)52 mm (2.1 inches)90%moderate
May Weather11°C (52°F)50 mm (2.0 inches)82%high
June Weather15°C (59°F)68 mm (2.7 inches)77%high
July Weather18°C (65°F)108 mm (4.3 inches)83%high
August Weather16°C (60°F)69 mm (2.7 inches)84%high
September Weather9°C (49°F)60 mm (2.4 inches)91%moderate
October Weather4°C (39°F)56 mm (2.2 inches)92%low
November Weather-4°C (26°F)50 mm (2.0 inches)95%low
December Weather-9°C (16°F)43 mm (1.7 inches)93%low

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