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September Weather in Tjaellmo, Sweden

Last updated: August 27, 2025

In Tjaellmo, Sweden, the average temperature in September hovers around 12°C (55°F), with a minimum dipping to 2°C (35°F) and a maximum soaring to 23°C (74°F). Expect about 77 mm (3.0 in) of precipitation spread over 13 days, contributing to a relatively high average humidity of 83%.

September Temperature in Tjaellmo

In September in Tjaellmo, the average temperature is 12°C (55°F). Maximum temperatures can reach 23°C (74°F), while minimums can drop to as low as 2°C (35°F). This mild climate makes Tjaellmo a great destination for travelers looking to enjoy outdoor activities and cultural experiences without extreme weather conditions.

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

The chart illustrates September temperature patterns in Tjaellmo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tjaellmo, September typically has an average temperature of 12°C (55°F), with highs reaching up to 23°C (74°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec323135415162646254473934
Data source: Temperature data for Tjaellmo 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 Tjaellmo

In Tjaellmo in September, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 days.

September Precipitation Trends in Tjaellmo

The chart displays monthly precipitation patterns in Tjaellmo, 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 Tjaellmo, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec383546326264747377795053
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tjaellmo

In Tjaellmo in September humidity is 83%. With an average temperature of 12°C (55°F), this humidity feels like a cool, damp embrace that makes exploring the area both refreshing and slightly uncomfortable, requiring travelers to dress in layers and stay hydrated.

September Average Humidity in Tjaellmo

This chart illustrates the average monthly humidity levels in Tjaellmo, 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 Tjaellmo is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%82%71%69%67%73%83%89%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tjaellmo

In Tjaellmo 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 Tjaellmo for better planning.

Maximum UV Index Levels in Tjaellmo for September

The chart shows the monthly maximum UV Index (UVI) for Tjaellmo 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 Tjaellmo typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Tjaellmo 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 Tjaellmo Compares to Other Months

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

This table compares monthly weather conditions in Tjaellmo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)38 mm (1.5 inches)91%low
February Weather-1°C (31°F)35 mm (1.4 inches)89%low
March Weather2°C (35°F)46 mm (1.8 inches)88%moderate
April Weather5°C (42°F)32 mm (1.3 inches)82%moderate
May Weather11°C (52°F)62 mm (2.4 inches)71%moderate
June Weather17°C (62°F)64 mm (2.5 inches)69%high
July Weather18°C (64°F)73 mm (2.9 inches)67%high
August Weather17°C (62°F)73 mm (2.9 inches)72%high
September Weather12°C (55°F)77 mm (3.0 inches)83%moderate
October Weather8°C (47°F)79 mm (3.1 inches)89%low
November Weather4°C (40°F)50 mm (2.0 inches)91%low
December Weather1°C (34°F)53 mm (2.1 inches)90%low

Compare Tjaellmo's Climate with Cities Worldwide