September Weather in Valbo, Sweden

Last updated: August 27, 2025

In Valbo, Sweden, the average temperature in September hovers around 12°C (53°F), with minimums plunging to -1°C (31°F) and maximums soaring to 24°C (76°F). Expect 48 mm (1.9 in) of precipitation spread across 9 days, and prepare for a humid atmosphere with an average humidity level of 87%.

September Temperature in Valbo

In September in Valbo, the average temperature is 12°C (53°F). Maximums can reach 24°C (76°F), while minimums can drop as low as -1°C (31°F). It's a time to prepare for mild days and chilly nights, making layering essential for a comfortable travel experience.

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

The chart illustrates September temperature patterns in Valbo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valbo, September typically has an average temperature of 12°C (53°F), with highs reaching up to 24°C (76°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Valbo

In Valbo in September, the total precipitation amount is 48 mm (1.9 in) spread over 9 days.

September Precipitation Trends in Valbo

The chart displays monthly precipitation patterns in Valbo, 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 Valbo, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 9 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 Valbo

In Valbo in September, humidity is 87%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and stifling, as the air thickens and clings to your skin, sapping your energy as you navigate the sights.

September Average Humidity in Valbo

This chart illustrates the average monthly humidity levels in Valbo, 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 Valbo is approximately 87%, 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 Valbo

In Valbo 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 Valbo for better planning.

Maximum UV Index Levels in Valbo for September

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

Data source: Valbo 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 Valbo Compares to Other Months

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

This table compares monthly weather conditions in Valbo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	36 mm (1.4 inches)	96%	low
February Weather	-2°C (28°F)	39 mm (1.5 inches)	93%	low
March Weather	1°C (34°F)	37 mm (1.5 inches)	91%	moderate
April Weather	4°C (40°F)	32 mm (1.2 inches)	84%	moderate
May Weather	10°C (51°F)	56 mm (2.2 inches)	74%	moderate
June Weather	16°C (61°F)	66 mm (2.6 inches)	73%	high
July Weather	17°C (64°F)	76 mm (3.0 inches)	73%	high
August Weather	16°C (61°F)	96 mm (3.8 inches)	78%	moderate
September Weather	12°C (53°F)	48 mm (1.9 inches)	87%	moderate
October Weather	7°C (45°F)	90 mm (3.6 inches)	92%	low
November Weather	2°C (37°F)	45 mm (1.8 inches)	94%	low
December Weather	-1°C (30°F)	54 mm (2.1 inches)	94%	low