September Weather in Kostino, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Kostino, Russian Federation hovers around 8°C (48°F), with lows dipping to a chilly -3°C (27°F) and highs reaching a warm 22°C (73°F). Expect around 66 mm (2.6 in) of precipitation over 12 days, contributing to a notably high average humidity of 91%. Stay prepared for a mix of weather as you explore this vibrant destination!

September Temperature in Kostino

In September in Kostino, the average temperature is 8°C (48°F). The maximum can reach 22°C (73°F) while the minimum can be as low as -3°C (27°F). Be sure to pack layers to stay comfortable while exploring the varying temperatures during your travels!

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

The chart illustrates September temperature patterns in Kostino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kostino, September typically has an average temperature of 8°C (48°F), with highs reaching up to 22°C (73°F) and lows dropping to around -3°C (27°F).

Data source: Temperature data for Kostino generated using information from the Copernicus Climate Change Service.

September Precipitation in Kostino

In Kostino in September, the precipitation amount is 66 mm (2.6 in) over the course of 12 days.

September Precipitation Trends in Kostino

The chart displays monthly precipitation patterns in Kostino, 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 Kostino, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Kostino

In Kostino in September, humidity is 91%. With an average temperature of 8°C (48°F), this humidity feels like a chilly embrace that can make outdoor exploration less appealing, as the damp air seeps into your clothes and lingers on your skin, leaving travelers feeling cooler than the temperature suggests.

September Average Humidity in Kostino

This chart illustrates the average monthly humidity levels in Kostino, 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 Kostino is approximately 91%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kostino

In Kostino 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 Kostino for better planning.

Maximum UV Index Levels in Kostino for September

The chart shows the monthly maximum UV Index (UVI) for Kostino 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 Kostino typically reaches 4, which falls under the moderate exposure category.

Data source: Kostino 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 Kostino Compares to Other Months

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

This table compares monthly weather conditions in Kostino, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-12°C (11°F)	37 mm (1.4 inches)	100%	low
February Weather	-11°C (13°F)	49 mm (1.9 inches)	97%	low
March Weather	-5°C (23°F)	42 mm (1.7 inches)	95%	moderate
April Weather	2°C (36°F)	61 mm (2.4 inches)	90%	moderate
May Weather	10°C (50°F)	58 mm (2.3 inches)	82%	moderate
June Weather	14°C (58°F)	74 mm (2.9 inches)	77%	high
July Weather	18°C (64°F)	118 mm (4.7 inches)	83%	high
August Weather	15°C (59°F)	75 mm (2.9 inches)	84%	moderate
September Weather	8°C (48°F)	66 mm (2.6 inches)	91%	moderate
October Weather	3°C (38°F)	67 mm (2.7 inches)	92%	low
November Weather	-4°C (25°F)	58 mm (2.3 inches)	95%	low
December Weather	-9°C (15°F)	48 mm (1.9 inches)	93%	low