September Weather in Juva, Finland

Last updated: August 23, 2025

In Juva, Finland, the average temperature in September hovers around 10°C (51°F). Conditions can vary significantly, with minimums dipping to a brisk -2°C (28°F) and maximums reaching a warm 23°C (74°F). Expect 76 mm (3.0 in) of precipitation spread over 14 days, alongside an average humidity level of 90%, creating a uniquely refreshing atmosphere.

September Temperature in Juva

In September in Juva, the average temperature is 10°C (51°F). The maximum can reach 23°C (74°F), while the minimum can drop as low as -2°C (28°F). Be sure to pack layers to stay comfortable as you explore the varying temperatures!

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

The chart illustrates September temperature patterns in Juva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Juva, September typically has an average temperature of 10°C (51°F), with highs reaching up to 23°C (74°F) and lows dropping to around -2°C (28°F).

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

September Precipitation in Juva

In Juva in September, the precipitation amount is 76 mm (3.0 in) spread over 14 days.

September Precipitation Trends in Juva

The chart displays monthly precipitation patterns in Juva, 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 Juva, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Juva

In Juva in September, humidity is 90%. With an average temperature of 10°C (51°F), this humidity feels like you are wrapped in a damp blanket, making traveling quite uncomfortable and sticky, as the air hangs heavy around you, often leading to fatigue and a longing for cooler, drier conditions.

September Average Humidity in Juva

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

In Juva 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 Juva, you can check the information here.

Maximum UV Index Levels in Juva for September

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

Data source: Juva 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 Juva Compares to Other Months

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

This table compares monthly weather conditions in Juva, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	49 mm (1.9 inches)	98%	low
February Weather	-6°C (21°F)	44 mm (1.7 inches)	96%	low
March Weather	-3°C (27°F)	45 mm (1.8 inches)	93%	moderate
April Weather	3°C (37°F)	46 mm (1.8 inches)	88%	moderate
May Weather	10°C (50°F)	56 mm (2.2 inches)	77%	moderate
June Weather	16°C (61°F)	70 mm (2.7 inches)	75%	high
July Weather	17°C (63°F)	80 mm (3.1 inches)	82%	high
August Weather	15°C (60°F)	86 mm (3.4 inches)	84%	moderate
September Weather	10°C (51°F)	76 mm (3.0 inches)	90%	moderate
October Weather	5°C (41°F)	75 mm (3.0 inches)	93%	low
November Weather	1°C (34°F)	60 mm (2.4 inches)	93%	low
December Weather	-4°C (26°F)	69 mm (2.7 inches)	95%	low