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September Weather in Chelyan, United States

Last updated: June 24, 2025

In September, the average temperature in Chelyan, United States hovers around 21°C (70°F). Expect a cool minimum of 6°C (44°F), while temperatures can soar to a maximum of 35°C (94°F). During this month, precipitation averages 103 mm (4.1 in), typically over 9 days. With an average humidity of 73%, be prepared for a mix of warmth and moisture!

September Temperature in Chelyan

In September in Chelyan, the average temperature is 21°C (70°F). Maximum temperatures can reach up to 35°C (94°F), while minimum temperatures can drop as low as 6°C (44°F). This makes Chelyan an ideal destination for travelers seeking a pleasant climate with opportunities for both warm and cooler experiences.

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

The chart illustrates September temperature patterns in Chelyan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chelyan, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (94°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec364147556571767370604641
Data source: Temperature data for Chelyan 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 Chelyan

In Chelyan in September, the precipitation amount is 103 mm (4.1 in) distributed over 9 days.

September Precipitation Trends in Chelyan

The chart displays monthly precipitation patterns in Chelyan, 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 Chelyan, September typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec10215812313316415313212110311780123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chelyan

In Chelyan in September, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

September Average Humidity in Chelyan

This chart illustrates the average monthly humidity levels in Chelyan, 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 Chelyan is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chelyan

In Chelyan in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Chelyan.

Maximum UV Index Levels in Chelyan for September

The chart shows the monthly maximum UV Index (UVI) for Chelyan 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 Chelyan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Chelyan 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 Chelyan Compares to Other Months

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

This table compares monthly weather conditions in Chelyan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)102 mm (4.0 inches)88%moderate
February Weather5°C (42°F)158 mm (6.2 inches)88%moderate
March Weather8°C (47°F)123 mm (4.8 inches)88%high
April Weather13°C (56°F)133 mm (5.2 inches)86%very high
May Weather18°C (66°F)164 mm (6.5 inches)82%very high
June Weather22°C (72°F)153 mm (6.0 inches)84%very high
July Weather24°C (76°F)132 mm (5.2 inches)82%very high
August Weather23°C (74°F)121 mm (4.8 inches)73%very high
September Weather21°C (70°F)103 mm (4.1 inches)73%very high
October Weather15°C (60°F)117 mm (4.6 inches)81%high
November Weather8°C (46°F)80 mm (3.2 inches)89%moderate
December Weather5°C (41°F)123 mm (4.8 inches)86%moderate

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