September Weather in Kuivaniemi, Finland

Last updated: August 23, 2025

In September, the average temperature in Kuivaniemi, Finland hovers around 10°C (50°F). Expect chilly lows of -2°C (29°F) and pleasant highs reaching 21°C (70°F). With an average precipitation of 83 mm (3.3 in) spread over 13 days, you might want to keep an umbrella handy. The average humidity sits at a steamy 90%, making for a rather damp atmosphere.

September Temperature in Kuivaniemi

In September in Kuivaniemi, the average temperature is 10°C (50°F). Maximums can reach 21°C (70°F), while minimums can be as low as -2°C (29°F). Be sure to pack layers to accommodate the wide temperature range during your travels.

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

The chart illustrates September temperature patterns in Kuivaniemi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kuivaniemi, September typically has an average temperature of 10°C (50°F), with highs reaching up to 21°C (70°F) and lows dropping to around -2°C (29°F).

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

September Precipitation in Kuivaniemi

In Kuivaniemi in September, the precipitation amount is 83 mm (3.3 in) over a span of 13 days.

September Precipitation Trends in Kuivaniemi

The chart displays monthly precipitation patterns in Kuivaniemi, 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 Kuivaniemi, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 13 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 Kuivaniemi

In Kuivaniemi in September humidity is 90%. With an average temperature of 10°C (50°F), this humidity feels like a chilly, damp blanket enveloping you, making traveling uncomfortable as the cool air mixed with high moisture can lead to persistent chilliness and a constant sense of being wet, even while walking around.

September Average Humidity in Kuivaniemi

This chart illustrates the average monthly humidity levels in Kuivaniemi, 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 Kuivaniemi 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 Kuivaniemi

In Kuivaniemi in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Kuivaniemi, you can check the information here.

Maximum UV Index Levels in Kuivaniemi for September

The chart shows the monthly maximum UV Index (UVI) for Kuivaniemi 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 Kuivaniemi typically reaches 3, which falls under the moderate exposure category.

Data source: Kuivaniemi 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 Kuivaniemi Compares to Other Months

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

This table compares monthly weather conditions in Kuivaniemi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	48 mm (1.9 inches)	100%	low
February Weather	-9°C (17°F)	45 mm (1.8 inches)	98%	low
March Weather	-5°C (24°F)	47 mm (1.9 inches)	95%	low
April Weather	0°C (32°F)	42 mm (1.6 inches)	87%	moderate
May Weather	6°C (42°F)	52 mm (2.1 inches)	81%	moderate
June Weather	13°C (56°F)	62 mm (2.5 inches)	77%	high
July Weather	17°C (63°F)	68 mm (2.7 inches)	79%	high
August Weather	14°C (58°F)	92 mm (3.6 inches)	84%	moderate
September Weather	10°C (50°F)	83 mm (3.3 inches)	90%	moderate
October Weather	4°C (40°F)	100 mm (3.9 inches)	95%	low
November Weather	-1°C (31°F)	76 mm (3.0 inches)	95%	low
December Weather	-5°C (24°F)	68 mm (2.7 inches)	99%	low