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September Weather in Bariswil, Switzerland

Last updated: August 27, 2025

In Bariswil, Switzerland, the average temperature in September hovers around 15°C (60°F). However, be prepared for a range that can dip to 3°C (38°F) and peak at a warm 29°C (84°F). During this time, it's also common to see 61 mm (2.4 in) of precipitation spread over approximately 11 days, contributing to an average humidity level of 81%.

September Temperature in Bariswil

In September in Bariswil, the average temperature is 15°C (60°F). Maximum temperatures can reach 29°C (84°F), while the minimum can drop as low as 3°C (38°F). It's advisable to pack layers to comfortably enjoy all the activities this month in Bariswil has to offer.

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

The chart illustrates September temperature patterns in Bariswil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bariswil, September typically has an average temperature of 15°C (60°F), with highs reaching up to 29°C (84°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec343843505665686759514136
Data source: Temperature data for Bariswil 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 Bariswil

In Bariswil in September, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.

September Precipitation Trends in Bariswil

The chart displays monthly precipitation patterns in Bariswil, 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 Bariswil, September typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec917491611279310498629572125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bariswil

In Bariswil in September, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.

September Average Humidity in Bariswil

This chart illustrates the average monthly humidity levels in Bariswil, 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 Bariswil is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bariswil

In Bariswil in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Bariswil, you can refer to this Hourly UV Index in Bariswil.

Maximum UV Index Levels in Bariswil for September

The chart shows the monthly maximum UV Index (UVI) for Bariswil 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 Bariswil typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Bariswil 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 Bariswil Compares to Other Months

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

This table compares monthly weather conditions in Bariswil, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)91 mm (3.6 inches)91%low
February Weather4°C (39°F)74 mm (2.9 inches)89%moderate
March Weather6°C (43°F)91 mm (3.6 inches)87%moderate
April Weather10°C (50°F)61 mm (2.4 inches)84%high
May Weather13°C (56°F)126 mm (5.0 inches)80%very high
June Weather18°C (65°F)93 mm (3.7 inches)82%very high
July Weather20°C (68°F)104 mm (4.1 inches)82%very high
August Weather19°C (67°F)98 mm (3.8 inches)77%very high
September Weather15°C (60°F)61 mm (2.4 inches)81%high
October Weather11°C (51°F)95 mm (3.7 inches)89%moderate
November Weather5°C (41°F)72 mm (2.8 inches)89%low
December Weather2°C (37°F)125 mm (4.9 inches)91%low

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