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September Weather in Skyline, United States

Last updated: June 24, 2025

In September, the average temperature in Skyline, United States is a comfortable 23°C (74°F), with a minimum dipping to 10°C (51°F) and a maximum soaring to 35°C (96°F). Expect about 111 mm (4.4 in) of precipitation spread over 9 days, contributing to an average humidity of 64%. Plan accordingly to enjoy the beautiful weather!

September Temperature in Skyline

In September in Skyline, the average temperature is 23°C (74°F). Maximum temperatures can reach 35°C (96°F), while minimums can dip as low as 10°C (51°F). This temperature range makes Skyline an ideal destination for travelers seeking warm weather during this time.

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

The chart illustrates September temperature patterns in Skyline, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Skyline, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec434854607075797874645047
Data source: Temperature data for Skyline 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 Skyline

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

September Precipitation Trends in Skyline

The chart displays monthly precipitation patterns in Skyline, 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 Skyline, September typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1061811991539813511211311112874149
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Skyline

In Skyline in September, humidity is 64%. With an average temperature of 23°C (74°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration enjoyable yet slightly sticky, so it's best to stay hydrated and take breaks in the shade while traveling.

September Average Humidity in Skyline

This chart illustrates the average monthly humidity levels in Skyline, 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 Skyline is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Skyline

In Skyline 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 Skyline.

Maximum UV Index Levels in Skyline for September

The chart shows the monthly maximum UV Index (UVI) for Skyline 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 Skyline typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109764
Data source: Skyline 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 Skyline Compares to Other Months

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

This table compares monthly weather conditions in Skyline, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)106 mm (4.2 inches)87%moderate
February Weather9°C (48°F)181 mm (7.1 inches)87%high
March Weather12°C (55°F)199 mm (7.8 inches)85%very high
April Weather16°C (61°F)153 mm (6.0 inches)82%very high
May Weather21°C (70°F)98 mm (3.9 inches)83%extreme
June Weather24°C (76°F)135 mm (5.3 inches)82%extreme
July Weather26°C (79°F)112 mm (4.4 inches)78%extreme
August Weather25°C (78°F)113 mm (4.4 inches)67%very high
September Weather23°C (74°F)111 mm (4.4 inches)64%very high
October Weather18°C (65°F)127 mm (5.0 inches)74%high
November Weather10°C (51°F)74 mm (2.9 inches)87%high
December Weather8°C (47°F)149 mm (5.9 inches)88%moderate

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