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September Weather in Lake Wylie, United States

Last updated: June 24, 2025

In September, the average temperature in Lake Wylie, United States is a pleasant 24°C (75°F). Temperatures can vary significantly, with minimums dipping to 8°C (47°F) and maximums soaring to 35°C (95°F). Expect 128 mm (5.0 in) of precipitation spread over approximately 8 days, and a comfortable average humidity of 75%. Whether you’re exploring the outdoors or enjoying indoor activities, there’s plenty to experience this month!

September Temperature in Lake Wylie

In September in Lake Wylie, the average temperature is 24°C (75°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as 8°C (47°F). Be prepared for a range of weather conditions and enjoy a comfortable stay!

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

The chart illustrates September temperature patterns in Lake Wylie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Wylie, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec445054637177817975655247
Data source: Temperature data for Lake Wylie 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 Wylie

In Lake Wylie in September, the precipitation amount is 128 mm (5.0 in) over a period of 8 days.

September Precipitation Trends in Lake Wylie

The chart displays monthly precipitation patterns in Lake Wylie, 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 Wylie, September typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9312089104106791011141288790124
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lake Wylie

In Lake Wylie in September humidity is 75%. With average temperature 24°C (75°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel especially stifling and leaving you yearning for cool breezes and refreshingly cold drinks.

September Average Humidity in Lake Wylie

This chart illustrates the average monthly humidity levels in Lake Wylie, 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 Wylie is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lake Wylie

In Lake Wylie in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Lake Wylie.

Maximum UV Index Levels in Lake Wylie for September

The chart shows the monthly maximum UV Index (UVI) for Lake Wylie 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 Wylie typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109853
Data source: Lake Wylie 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 Wylie Compares to Other Months

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

This table compares monthly weather conditions in Lake Wylie, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)93 mm (3.7 inches)86%moderate
February Weather10°C (50°F)120 mm (4.7 inches)85%high
March Weather12°C (55°F)89 mm (3.5 inches)84%very high
April Weather17°C (63°F)104 mm (4.1 inches)82%very high
May Weather22°C (72°F)106 mm (4.2 inches)83%very high
June Weather25°C (77°F)79 mm (3.1 inches)82%extreme
July Weather27°C (81°F)101 mm (4.0 inches)80%extreme
August Weather26°C (79°F)114 mm (4.5 inches)74%very high
September Weather24°C (75°F)128 mm (5.0 inches)75%very high
October Weather19°C (66°F)87 mm (3.4 inches)79%very high
November Weather11°C (52°F)90 mm (3.5 inches)87%moderate
December Weather9°C (48°F)124 mm (4.9 inches)87%moderate

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