September Weather in Bilibino, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Bilibino, Russian Federation hovers around 2°C (36°F). Extreme temperatures can range from a chilly -21°C (-5°F) to a comfortable 19°C (66°F). Expect about 40 mm (1.6 in) of precipitation spread over 10 days, contributing to a high average humidity of 94%.

September Temperature in Bilibino

In September in Bilibino, the average temperature is 2°C (36°F). Maximum temperatures can reach 19°C (66°F), while the minimum can drop as low as -21°C (-5°F). Be prepared for a wide range of temperatures if you're planning to travel during this time!

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

The chart illustrates September temperature patterns in Bilibino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bilibino, September typically has an average temperature of 2°C (36°F), with highs reaching up to 19°C (66°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec-23-20-811325353473614-3-21
Data source: Temperature data for Bilibino 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 Bilibino

In Bilibino in September, the precipitation amount is 40 mm (1.6 in) over a span of 10 days.

September Precipitation Trends in Bilibino

The chart displays monthly precipitation patterns in Bilibino, 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 Bilibino, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec151322101543655940253420
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bilibino

In Bilibino in September, humidity is 94%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and encouraging you to seek shelter in warm indoor spaces.

September Average Humidity in Bilibino

This chart illustrates the average monthly humidity levels in Bilibino, 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 Bilibino is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%99%97%92%88%81%81%89%94%99%101%99%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bilibino

In Bilibino in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Bilibino, you can check the information here.

Maximum UV Index Levels in Bilibino for September

The chart shows the monthly maximum UV Index (UVI) for Bilibino 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 Bilibino typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112455653110
Data source: Bilibino 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 Bilibino Compares to Other Months

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

This table compares monthly weather conditions in Bilibino, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-31°C (-23°F)15 mm (0.6 inches)99%low
February Weather-29°C (-20°F)13 mm (0.5 inches)99%low
March Weather-22°C (-8°F)22 mm (0.9 inches)97%low
April Weather-12°C (11°F)10 mm (0.4 inches)92%moderate
May Weather0°C (33°F)15 mm (0.6 inches)88%moderate
June Weather12°C (53°F)42 mm (1.7 inches)81%moderate
July Weather12°C (53°F)65 mm (2.5 inches)81%high
August Weather8°C (47°F)59 mm (2.3 inches)89%moderate
September Weather2°C (36°F)40 mm (1.6 inches)94%moderate
October Weather-10°C (14°F)25 mm (1.0 inches)99%low
November Weather-19°C (-2°F)34 mm (1.3 inches)101%low
December Weather-29°C (-21°F)20 mm (0.8 inches)99%low

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