nomadseason

September Weather in Highland, United States

Last updated: June 24, 2025

In September, the average temperature in Highland, United States is a pleasant 22°C (72°F), with a range that can dip to a minimum of 6°C (44°F) and peak at a warm 35°C (95°F). Expect some rain, as the area receives approximately 84 mm (3.3 in) of precipitation over 9 days. The atmosphere feels comfortably humid, with an average humidity level of 71%. Perfect for those who enjoy a balanced climate!

September Temperature in Highland

In September in Highland, the average temperature is 22°C (72°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 6°C (44°F). This climate makes Highland a great destination for travelers looking to enjoy mild weather with warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Highland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Highland, September typically has an average temperature of 22°C (72°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec293045536577797671564336
Data source: Temperature data for Highland generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Highland

In Highland in September, the precipitation amount is 84 mm (3.3 in) spread over 9 days.

September Precipitation Trends in Highland

The chart displays monthly precipitation patterns in Highland, 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, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4232968019511781121841274032
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Highland

In Highland in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Highland

This chart illustrates the average monthly humidity levels in Highland, 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 is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Highland

In Highland 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 Highland.

Maximum UV Index Levels in Highland for September

The chart shows the monthly maximum UV Index (UVI) for Highland 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 typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Highland 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 Compares to Other Months

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

This table compares monthly weather conditions in Highland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)42 mm (1.6 inches)76%moderate
February Weather-1°C (31°F)32 mm (1.3 inches)77%moderate
March Weather7°C (45°F)96 mm (3.8 inches)70%high
April Weather12°C (53°F)80 mm (3.2 inches)73%very high
May Weather18°C (65°F)195 mm (7.7 inches)82%very high
June Weather25°C (77°F)117 mm (4.6 inches)82%extreme
July Weather26°C (79°F)81 mm (3.2 inches)81%extreme
August Weather24°C (76°F)121 mm (4.7 inches)78%very high
September Weather22°C (72°F)84 mm (3.3 inches)71%very high
October Weather13°C (56°F)127 mm (5.0 inches)71%high
November Weather6°C (43°F)40 mm (1.6 inches)81%moderate
December Weather2°C (36°F)32 mm (1.3 inches)84%moderate

Compare Highland's Climate with Cities Worldwide