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September Weather in Highland Lake, United States

Last updated: June 24, 2025

The average temperature in Highland Lake, United States during September is a pleasant 19°C (66°F). However, temperatures can vary significantly, with a minimum of 4°C (39°F) and a maximum of 33°C (91°F). Visitors can expect 107 mm (4.2 in) of precipitation over approximately 10 days, coupled with an average humidity of 68%.

September Temperature in Highland Lake

In September in Highland Lake, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as 4°C (39°F). This makes Highland Lake an ideal destination for travelers seeking a pleasant climate with a range of temperatures.

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

The chart illustrates September temperature patterns in Highland Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Highland Lake, September typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec303338496069747266564234
Data source: Temperature data for Highland Lake 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 Highland Lake

In Highland Lake in September, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

September Precipitation Trends in Highland Lake

The chart displays monthly precipitation patterns in Highland Lake, 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 Highland Lake, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7198921141299713513010713988103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Highland Lake

In Highland Lake in September humidity is 68%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, creating a sticky atmosphere that can be a bit uncomfortable for traveling.

September Average Humidity in Highland Lake

This chart illustrates the average monthly humidity levels in Highland Lake, 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 Highland Lake is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Highland Lake

In Highland Lake 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 Highland Lake.

Maximum UV Index Levels in Highland Lake for September

The chart shows the monthly maximum UV Index (UVI) for Highland Lake 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 Highland Lake typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Highland Lake 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 Highland Lake Compares to Other Months

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

This table compares monthly weather conditions in Highland Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)71 mm (2.8 inches)84%moderate
February Weather0°C (33°F)98 mm (3.8 inches)82%moderate
March Weather3°C (39°F)92 mm (3.6 inches)81%high
April Weather10°C (49°F)114 mm (4.5 inches)78%very high
May Weather15°C (60°F)129 mm (5.1 inches)69%very high
June Weather20°C (69°F)97 mm (3.8 inches)69%very high
July Weather24°C (75°F)135 mm (5.3 inches)62%very high
August Weather22°C (73°F)130 mm (5.1 inches)65%very high
September Weather19°C (66°F)107 mm (4.2 inches)68%very high
October Weather13°C (56°F)139 mm (5.5 inches)74%high
November Weather5°C (42°F)88 mm (3.5 inches)82%moderate
December Weather1°C (34°F)103 mm (4.1 inches)80%low

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