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September Weather in Lake Wynonah, United States

Last updated: June 24, 2025

In September, the average temperature in Lake Wynonah, United States is a comfortable 20°C (68°F). Expect minimums as low as 4°C (39°F) and highs reaching 34°C (93°F). During this month, precipitation totals 111 mm (4.4 in) spread over 9 days. With an average humidity of 66%, it's advisable to prepare for a mix of warm days and occasional showers.

September Temperature in Lake Wynonah

In September in Lake Wynonah, the average temperature is 20°C (68°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 4°C (39°F). Overall, this month offers a pleasant variety of temperatures, making it an excellent time for travelers to explore the region.

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

The chart illustrates September temperature patterns in Lake Wynonah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Wynonah, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec323441516271767468574336
Data source: Temperature data for Lake Wynonah 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 Wynonah

In Lake Wynonah in September, the precipitation amount is 111 mm (4.4 in) over the course of 9 days.

September Precipitation Trends in Lake Wynonah

The chart displays monthly precipitation patterns in Lake Wynonah, 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 Wynonah, September typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec741081001101291101541461111149998
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lake Wynonah

In Lake Wynonah in September, humidity is 66%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially a bit sticky, so travelers should stay hydrated and consider light, breathable clothing for comfort.

September Average Humidity in Lake Wynonah

This chart illustrates the average monthly humidity levels in Lake Wynonah, 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 Wynonah is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lake Wynonah

In Lake Wynonah in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Lake Wynonah.

Maximum UV Index Levels in Lake Wynonah for September

The chart shows the monthly maximum UV Index (UVI) for Lake Wynonah 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 Wynonah typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Lake Wynonah 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 Wynonah Compares to Other Months

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

This table compares monthly weather conditions in Lake Wynonah, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)73 mm (2.9 inches)87%moderate
February Weather1°C (35°F)107 mm (4.2 inches)85%moderate
March Weather5°C (41°F)100 mm (3.9 inches)85%high
April Weather11°C (51°F)110 mm (4.3 inches)83%very high
May Weather17°C (62°F)129 mm (5.1 inches)75%very high
June Weather21°C (71°F)110 mm (4.3 inches)73%very high
July Weather24°C (76°F)154 mm (6.1 inches)65%very high
August Weather23°C (74°F)146 mm (5.8 inches)62%very high
September Weather20°C (68°F)111 mm (4.4 inches)66%very high
October Weather14°C (58°F)114 mm (4.5 inches)79%high
November Weather6°C (43°F)99 mm (3.9 inches)87%moderate
December Weather2°C (36°F)98 mm (3.9 inches)85%low

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