September Weather in Hoernefors, Sweden

Last updated: August 27, 2025

In Hoernefors, Sweden, the average temperature in September hovers around 11°C (53°F), with a minimum of 3°C (38°F) and a maximum reaching 18°C (65°F). Travelers should prepare for moderate rainfall, as the area receives about 86 mm (3.4 in) of precipitation over 13 days. With an average humidity of 87%, the atmosphere is sure to feel quite damp.

September Temperature in Hoernefors

In September in Hoernefors, the average temperature is 11°C (53°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as 3°C (38°F). It's an ideal time for travelers to enjoy mild weather, perfect for exploring the sights.

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

The chart illustrates September temperature patterns in Hoernefors, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hoernefors, September typically has an average temperature of 11°C (53°F), with highs reaching up to 18°C (65°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec272530364455616053433631
Data source: Temperature data for Hoernefors generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Hoernefors

In Hoernefors, in September, the precipitation amount is 86 mm (3.4 in) over the course of 13 days.

September Precipitation Trends in Hoernefors

The chart displays monthly precipitation patterns in Hoernefors, 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 Hoernefors, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5555462843555566861228392
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Hoernefors

In Hoernefors in September, humidity is 87%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling as it combines the cool air with a sense of heaviness, leaving you yearning for warmth and dryness.

September Average Humidity in Hoernefors

This chart illustrates the average monthly humidity levels in Hoernefors, 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 Hoernefors is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%91%85%80%75%80%84%87%92%92%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hoernefors

In Hoernefors 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 Hoernefors, you can check the information here.

Maximum UV Index Levels in Hoernefors for September

The chart shows the monthly maximum UV Index (UVI) for Hoernefors 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 Hoernefors typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356653211
Data source: Hoernefors 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 Hoernefors Compares to Other Months

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

This table compares monthly weather conditions in Hoernefors, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)55 mm (2.2 inches)95%low
February Weather-4°C (26°F)54 mm (2.1 inches)94%low
March Weather-1°C (30°F)46 mm (1.8 inches)91%low
April Weather2°C (36°F)28 mm (1.1 inches)85%moderate
May Weather6°C (44°F)43 mm (1.7 inches)79%moderate
June Weather13°C (55°F)55 mm (2.2 inches)75%high
July Weather16°C (61°F)55 mm (2.1 inches)80%high
August Weather16°C (60°F)66 mm (2.6 inches)84%moderate
September Weather11°C (53°F)86 mm (3.4 inches)87%moderate
October Weather6°C (44°F)122 mm (4.8 inches)92%low
November Weather2°C (36°F)83 mm (3.3 inches)92%low
December Weather-1°C (31°F)92 mm (3.6 inches)94%low

Compare Hoernefors's Climate with Cities Worldwide