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September Weather in Issa, Russian Federation

Last updated: August 27, 2025

In Issa, Russian Federation, the average temperature in September hovers around 12°C (55°F). During this time, temperatures can dip as low as -1°C (31°F) and soar to a maximum of 32°C (89°F). Expect about 46 mm (1.8 in) of precipitation spread over 8 days, accompanied by an average humidity level of 75%.

September Temperature in Issa

In September in Issa, the average temperature is 12°C (55°F). Maximum temperatures can reach 32°C (89°F), while minimum temperatures can drop as low as -1°C (31°F). Travelers should be prepared for a wide range of temperatures, from warm days to potentially chilly nights.

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

The chart illustrates September temperature patterns in Issa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Issa, September typically has an average temperature of 12°C (55°F), with highs reaching up to 32°C (89°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec181927435663676554443021
Data source: Temperature data for Issa 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 Issa

In Issa in September, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.

September Precipitation Trends in Issa

The chart displays monthly precipitation patterns in Issa, 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 Issa, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec455335655859744446434139
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Issa

In Issa in September humidity is 75%. With an average temperature of 12°C (55°F), this humidity feels like a damp blanket wrapping around you, making travel slightly uncomfortable as the chill magnifies the moisture in the air.

September Average Humidity in Issa

This chart illustrates the average monthly humidity levels in Issa, 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 Issa is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%89%74%64%62%64%59%75%86%93%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Issa

In Issa in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Issa.

Maximum UV Index Levels in Issa for September

The chart shows the monthly maximum UV Index (UVI) for Issa 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 Issa typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec135678775321
Data source: Issa 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 Issa Compares to Other Months

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

This table compares monthly weather conditions in Issa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)45 mm (1.8 inches)98%low
February Weather-7°C (19°F)53 mm (2.1 inches)96%moderate
March Weather-3°C (27°F)35 mm (1.4 inches)89%moderate
April Weather6°C (43°F)65 mm (2.5 inches)74%high
May Weather14°C (57°F)58 mm (2.3 inches)63%high
June Weather17°C (64°F)59 mm (2.3 inches)62%very high
July Weather20°C (68°F)74 mm (2.9 inches)64%high
August Weather18°C (65°F)44 mm (1.7 inches)59%high
September Weather12°C (55°F)46 mm (1.8 inches)75%moderate
October Weather7°C (44°F)43 mm (1.7 inches)86%moderate
November Weather-1°C (30°F)41 mm (1.6 inches)93%low
December Weather-6°C (21°F)39 mm (1.5 inches)90%low

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