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September Weather in Asa, Sweden

Last updated: August 27, 2025

In Asa, Sweden, the average temperature in September hovers around 15°C (59°F). You can expect a comfortable range, with minimums of 9°C (48°F) and maximums reaching 22°C (71°F). However, be prepared for a bit of rain, as precipitation totals about 127 mm (5.0 in) over 16 days, contributing to a notable average humidity of 85%.

September Temperature in Asa

In September in Asa, the average temperature is 15°C (59°F). Maximum temperatures can reach 22°C (71°F), while minimums can drop as low as 9°C (48°F). This weather makes Asa a pleasant destination for travelers looking to enjoy mild, comfortable conditions.

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

The chart illustrates September temperature patterns in Asa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Asa, September typically has an average temperature of 15°C (59°F), with highs reaching up to 22°C (71°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec373638445262646358524539
Data source: Temperature data for Asa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Asa

In Asa in September, the precipitation amount is 127 mm (5.0 in), distributed over 16 days.

September Precipitation Trends in Asa

The chart displays monthly precipitation patterns in Asa, 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 Asa, September typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec68797040636380129127141103104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Asa

In Asa in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.

September Average Humidity in Asa

This chart illustrates the average monthly humidity levels in Asa, 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 Asa is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%84%75%74%73%77%86%91%92%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Asa

In Asa in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Asa.

Maximum UV Index Levels in Asa for September

The chart shows the monthly maximum UV Index (UVI) for Asa 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 Asa typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765211
Data source: Asa 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 Asa Compares to Other Months

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

This table compares monthly weather conditions in Asa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)68 mm (2.7 inches)92%low
February Weather2°C (36°F)79 mm (3.1 inches)91%low
March Weather3°C (38°F)70 mm (2.8 inches)89%moderate
April Weather7°C (44°F)40 mm (1.6 inches)84%moderate
May Weather11°C (53°F)63 mm (2.5 inches)75%high
June Weather16°C (62°F)63 mm (2.5 inches)73%high
July Weather18°C (64°F)80 mm (3.2 inches)73%high
August Weather17°C (64°F)129 mm (5.1 inches)77%high
September Weather15°C (59°F)127 mm (5.0 inches)85%moderate
October Weather11°C (52°F)141 mm (5.5 inches)91%low
November Weather7°C (45°F)103 mm (4.1 inches)92%low
December Weather4°C (39°F)104 mm (4.1 inches)91%low

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