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September Weather in Salmi, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Salmi, Russian Federation is a mild 13°C (56°F), with lows dipping to 5°C (41°F) and highs reaching up to 20°C (68°F). Expect a fair amount of rain, with 114 mm (4.5 in) of precipitation spread over 17 days. Humidity levels are notably high, averaging around 91%, making for a uniquely lush atmosphere.

September Temperature in Salmi

In September in Salmi, the average temperature is 13°C (56°F). Maximums can reach 20°C (68°F), while minimums can drop to as low as 5°C (41°F). Travelers should pack both light layers for the warmer days and warmer clothing for the cooler evenings.

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

The chart illustrates September temperature patterns in Salmi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salmi, September typically has an average temperature of 13°C (56°F), with highs reaching up to 20°C (68°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec262327334152616255463831
Data source: Temperature data for Salmi 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 Salmi

In Salmi in September, the precipitation amount is 114 mm (4.5 in) recorded over 17 days.

September Precipitation Trends in Salmi

The chart displays monthly precipitation patterns in Salmi, 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 Salmi, September typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec6561564543317811311413899117
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Salmi

In Salmi in September, humidity is 91%. With an average temperature of 13°C (56°F), this humidity feels like a heavy blanket enveloping you, making travel feel sticky and uncomfortable, yet offering a unique challenge to those ready to explore the vibrant atmosphere.

September Average Humidity in Salmi

This chart illustrates the average monthly humidity levels in Salmi, 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 Salmi is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%94%88%78%76%83%86%91%93%93%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Salmi

In Salmi 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 Salmi for better planning.

Maximum UV Index Levels in Salmi for September

The chart shows the monthly maximum UV Index (UVI) for Salmi 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 Salmi typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456754211
Data source: Salmi 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 Salmi Compares to Other Months

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

This table compares monthly weather conditions in Salmi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)65 mm (2.6 inches)98%low
February Weather-5°C (23°F)61 mm (2.4 inches)96%low
March Weather-3°C (27°F)56 mm (2.2 inches)94%moderate
April Weather1°C (33°F)45 mm (1.8 inches)88%moderate
May Weather5°C (41°F)43 mm (1.7 inches)78%moderate
June Weather11°C (53°F)31 mm (1.2 inches)76%high
July Weather16°C (62°F)78 mm (3.1 inches)83%high
August Weather17°C (63°F)113 mm (4.4 inches)86%moderate
September Weather13°C (56°F)114 mm (4.5 inches)91%moderate
October Weather8°C (46°F)138 mm (5.4 inches)93%low
November Weather3°C (38°F)99 mm (3.9 inches)93%low
December Weather-1°C (31°F)117 mm (4.6 inches)95%low

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