September Weather in Gamleby, Sweden

Last updated: August 27, 2025

In September, the average temperature in Gamleby, Sweden hovers around 13°C (56°F). Expect a minimum of 2°C (36°F) and a maximum of 26°C (79°F). During this time, precipitation totals around 58 mm (2.3 in), occurring over approximately 10 days. The average humidity is a comfortable 81%, making it a pleasant month to explore!

September Temperature in Gamleby

In September in Gamleby, the average temperature is 13°C (56°F). Maximums can reach 26°C (79°F) and minimums can be as low as 2°C (36°F). This makes it a perfect time for travelers to enjoy a range of outdoor activities while dressing in layers to accommodate the varying temperatures.

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

The chart illustrates September temperature patterns in Gamleby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gamleby, September typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (79°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Gamleby

In Gamleby in September, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

September Precipitation Trends in Gamleby

The chart displays monthly precipitation patterns in Gamleby, 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 Gamleby, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 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 Gamleby

In Gamleby in September, humidity is 81%. With an average temperature of 13°C (56°F), this humidity feels like a blanket of damp air that clings to your skin, making it essential to pack breathable clothing and stay hydrated while exploring.

September Average Humidity in Gamleby

This chart illustrates the average monthly humidity levels in Gamleby, 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 Gamleby is approximately 81%, 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 Gamleby

In Gamleby 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 Gamleby for better planning.

Maximum UV Index Levels in Gamleby for September

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

Data source: Gamleby 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 Gamleby Compares to Other Months

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

This table compares monthly weather conditions in Gamleby, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	40 mm (1.6 inches)	90%	low
February Weather	0°C (33°F)	41 mm (1.6 inches)	89%	low
March Weather	2°C (37°F)	46 mm (1.8 inches)	88%	moderate
April Weather	6°C (42°F)	27 mm (1.1 inches)	82%	moderate
May Weather	11°C (52°F)	46 mm (1.8 inches)	72%	moderate
June Weather	17°C (62°F)	52 mm (2.0 inches)	68%	high
July Weather	18°C (64°F)	73 mm (2.9 inches)	68%	high
August Weather	17°C (63°F)	76 mm (3.0 inches)	73%	high
September Weather	13°C (56°F)	58 mm (2.3 inches)	81%	moderate
October Weather	9°C (48°F)	62 mm (2.4 inches)	87%	low
November Weather	5°C (41°F)	45 mm (1.8 inches)	89%	low
December Weather	1°C (35°F)	55 mm (2.1 inches)	88%	low