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September Weather in Lake Wissota, United States

Last updated: June 24, 2025

In September, the average temperature in Lake Wissota, United States is a pleasant 17°C (63°F). However, temperatures can swing from a chilly 1°C (34°F) to a warm 33°C (91°F). Expect 94 mm (3.7 in) of precipitation spread across 11 days, accompanied by a high average humidity of 80%. Prepare for a mix of weather as you explore!

September Temperature in Lake Wissota

In September in Lake Wissota, the average temperature is 17°C (63°F). Maximums can reach 33°C (91°F) and minimums can be as low as 1°C (34°F). Be sure to pack layers to accommodate the wide temperature range while exploring.

September Weather in Lake Wissota: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lake Wissota, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Wissota, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (91°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec161732435869726862483323
Data source: Temperature data for Lake Wissota 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 Lake Wissota

In Lake Wissota in September, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

September Precipitation Trends in Lake Wissota

The chart displays monthly precipitation patterns in Lake Wissota, 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 Lake Wissota, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec32495593127127126126941185056
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lake Wissota

In Lake Wissota in September humidity is 80%. With an average temperature of 17°C (63°F), this humidity feels like you're walking through a thick, warm blanket, making travel feel slightly stifling and requiring frequent breaks to stay comfortable.

September Average Humidity in Lake Wissota

This chart illustrates the average monthly humidity levels in Lake Wissota, 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 Lake Wissota is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lake Wissota

In Lake Wissota in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Lake Wissota.

Maximum UV Index Levels in Lake Wissota for September

The chart shows the monthly maximum UV Index (UVI) for Lake Wissota 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 Lake Wissota typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Lake Wissota 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 Lake Wissota Compares to Other Months

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

This table compares monthly weather conditions in Lake Wissota, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)32 mm (1.3 inches)88%low
February Weather-8°C (17°F)49 mm (1.9 inches)89%moderate
March Weather0°C (33°F)55 mm (2.2 inches)86%moderate
April Weather6°C (43°F)93 mm (3.7 inches)85%high
May Weather14°C (58°F)127 mm (5.0 inches)79%very high
June Weather20°C (69°F)127 mm (5.0 inches)80%very high
July Weather22°C (73°F)126 mm (5.0 inches)80%very high
August Weather20°C (69°F)126 mm (4.9 inches)78%very high
September Weather17°C (63°F)94 mm (3.7 inches)80%high
October Weather9°C (48°F)118 mm (4.7 inches)84%moderate
November Weather0°C (33°F)50 mm (1.9 inches)89%moderate
December Weather-5°C (23°F)56 mm (2.2 inches)85%low

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