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September Weather in Sunset Valley, United States

Last updated: June 24, 2025

In September, the average temperature in Sunset Valley, United States hovers around 27°C (80°F). However, be prepared for a temperature range that can dip to a chilly 11°C (52°F) and soar to a scorching 38°C (101°F). During this time, precipitation averages at 113 mm (4.5 in) over approximately 11 days, contributing to an average humidity of 66%. Whether you're soaking up the sun or dodging the rain, expect diverse weather as you explore!

September Temperature in Sunset Valley

In September in Sunset Valley, the average temperature is 27°C (80°F), with maximums reaching 38°C (101°F) and minimums dropping as low as 11°C (52°F). This variation makes it essential for travelers to pack versatile clothing suitable for both warm and cooler conditions.

September Weather in Sunset Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sunset Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunset Valley, September typically has an average temperature of 27°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec525364697782858680706055
Data source: Temperature data for Sunset Valley 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 Sunset Valley

In Sunset Valley in September, the total precipitation amount is 113 mm (4.5 in), spread over a period of 11 days.

September Precipitation Trends in Sunset Valley

The chart displays monthly precipitation patterns in Sunset Valley, 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 Sunset Valley, September typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec495870901559871118113955278
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sunset Valley

In Sunset Valley in September, humidity is 66%. With an average temperature of 27°C (80°F), this humidity feels like a warm, sticky embrace, making travel a bit more challenging as you may find yourself perspiring more quickly while exploring, but it's also perfect for a refreshing dip in nearby waters.

September Average Humidity in Sunset Valley

This chart illustrates the average monthly humidity levels in Sunset Valley, 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 Sunset Valley is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%77%78%82%78%69%63%66%73%84%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sunset Valley

In Sunset Valley in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sunset Valley.

Maximum UV Index Levels in Sunset Valley for September

The chart shows the monthly maximum UV Index (UVI) for Sunset Valley 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 Sunset Valley typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110965
Data source: Sunset Valley 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 Sunset Valley Compares to Other Months

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

This table compares monthly weather conditions in Sunset Valley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)49 mm (1.9 inches)78%moderate
February Weather12°C (54°F)58 mm (2.3 inches)78%very high
March Weather18°C (64°F)69 mm (2.7 inches)77%very high
April Weather20°C (69°F)90 mm (3.5 inches)78%extreme
May Weather25°C (77°F)155 mm (6.1 inches)82%extreme
June Weather28°C (82°F)98 mm (3.8 inches)78%extreme
July Weather29°C (85°F)71 mm (2.8 inches)69%extreme
August Weather30°C (86°F)118 mm (4.6 inches)63%extreme
September Weather27°C (80°F)113 mm (4.5 inches)66%very high
October Weather21°C (71°F)95 mm (3.7 inches)73%very high
November Weather15°C (60°F)52 mm (2.0 inches)84%high
December Weather13°C (55°F)78 mm (3.1 inches)87%moderate

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