September Weather in Aldan, Russian Federation

Last updated: August 27, 2025

In Aldan, Russian Federation, the average temperature in September hovers around 6°C (43°F). While the mercury can dip as low as -8°C (17°F), it can also rise to a balmy 24°C (76°F). Expect 119 mm (4.7 in) of precipitation spread over approximately 14 days, accompanied by a high average humidity of 90%.

September Temperature in Aldan

In September in Aldan, the average temperature is 6°C (43°F). The maximum can reach 24°C (76°F) and the minimum can be as low as -8°C (17°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates September temperature patterns in Aldan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aldan, September typically has an average temperature of 6°C (43°F), with highs reaching up to 24°C (76°F) and lows dropping to around -8°C (17°F).

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

September Precipitation in Aldan

In Aldan in September, the precipitation amount is 119 mm (4.7 in) over the course of 14 days.

September Precipitation Trends in Aldan

The chart displays monthly precipitation patterns in Aldan, 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 Aldan, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 14 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 Aldan

In Aldan in September humidity is 90%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill clinging to your skin, making travel uncomfortable as you navigate through the thick, heavy air that seems to sap your energy.

September Average Humidity in Aldan

This chart illustrates the average monthly humidity levels in Aldan, 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 Aldan is approximately 90%, 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 Aldan

In Aldan 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 Aldan for better planning.

Maximum UV Index Levels in Aldan for September

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

Data source: Aldan 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 Aldan Compares to Other Months

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

This table compares monthly weather conditions in Aldan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-29°C (-20°F)	22 mm (0.9 inches)	99%	low
February Weather	-25°C (-13°F)	34 mm (1.3 inches)	96%	low
March Weather	-15°C (5°F)	39 mm (1.5 inches)	91%	moderate
April Weather	-5°C (23°F)	49 mm (1.9 inches)	83%	moderate
May Weather	4°C (40°F)	79 mm (3.1 inches)	79%	high
June Weather	14°C (57°F)	84 mm (3.3 inches)	82%	high
July Weather	17°C (62°F)	119 mm (4.7 inches)	79%	high
August Weather	13°C (57°F)	105 mm (4.1 inches)	84%	high
September Weather	6°C (43°F)	119 mm (4.7 inches)	90%	moderate
October Weather	-6°C (22°F)	77 mm (3.0 inches)	97%	low
November Weather	-20°C (-4°F)	44 mm (1.7 inches)	100%	low
December Weather	-30°C (-22°F)	30 mm (1.2 inches)	99%	low