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September Weather in Sylta, Sweden

Last updated: August 27, 2025

In September, the average temperature in Sylta, Sweden hovers around 12°C (54°F). Visitors can expect a minimum of -1°C (30°F) and a maximum of 24°C (75°F) during this month. With an average precipitation of 64 mm (2.5 in) spread over 10 days, and an average humidity of 83%, be prepared for a mix of crisp and damp weather.

September Temperature in Sylta

In September in Sylta, the average temperature is 12°C (54°F). The maximum can reach 24°C (75°F), and the minimum can be as low as -1°C (30°F). This variation in temperature makes Sylta an ideal destination for travelers who enjoy both mild days and cooler evenings.

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

The chart illustrates September temperature patterns in Sylta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sylta, September typically has an average temperature of 12°C (54°F), with highs reaching up to 24°C (75°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec303035425263646254453832
Data source: Temperature data for Sylta 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 Sylta

In Sylta in September, the precipitation amount is 64 mm (2.5 in) over a span of 10 days.

September Precipitation Trends in Sylta

The chart displays monthly precipitation patterns in Sylta, 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 Sylta, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec383341315857628164765158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sylta

In Sylta in September humidity is 83%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel sticky and uncomfortable, which can dampen the excitement of traveling.

September Average Humidity in Sylta

This chart illustrates the average monthly humidity levels in Sylta, 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 Sylta 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 Sylta

In Sylta 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 Sylta for better planning.

Maximum UV Index Levels in Sylta for September

The chart shows the monthly maximum UV Index (UVI) for Sylta 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 Sylta typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Sylta 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 Sylta Compares to Other Months

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

This table compares monthly weather conditions in Sylta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)37 mm (1.5 inches)91%low
February Weather-1°C (30°F)33 mm (1.3 inches)89%low
March Weather2°C (35°F)40 mm (1.6 inches)88%moderate
April Weather6°C (42°F)30 mm (1.2 inches)82%moderate
May Weather11°C (52°F)58 mm (2.3 inches)71%moderate
June Weather17°C (63°F)57 mm (2.3 inches)69%high
July Weather18°C (65°F)62 mm (2.4 inches)67%high
August Weather16°C (62°F)81 mm (3.2 inches)72%moderate
September Weather12°C (54°F)64 mm (2.5 inches)83%moderate
October Weather7°C (46°F)76 mm (3.0 inches)89%low
November Weather3°C (38°F)51 mm (2.0 inches)91%low
December Weather0°C (32°F)58 mm (2.3 inches)90%low

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