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September Weather in Golden Valley, United States

Last updated: June 24, 2025

In Golden Valley, United States, the average temperature in September reaches a warm 27°C (81°F), with a minimum dipping to 10°C (50°F) and peaking at a scorching 42°C (109°F). Expect to see around 15 mm (0.6 in) of precipitation spread over 2 days, while the average humidity hovers at a comfortable 48%.

September Temperature in Golden Valley

In September, in Golden Valley, the average temperature is 27°C (81°F). The maximum can reach up to 42°C (109°F), while the minimum can drop as low as 10°C (50°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Golden Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Golden Valley, September typically has an average temperature of 27°C (81°F), with highs reaching up to 42°C (109°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec474956667385898981675747
Data source: Temperature data for Golden 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 Golden Valley

In Golden Valley in September, the precipitation amount is 15 mm (0.6 in) over the course of 2 days.

September Precipitation Trends in Golden Valley

The chart displays monthly precipitation patterns in Golden 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 Golden Valley, September typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec282936872331415202621
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Golden Valley

In Golden Valley in September, humidity is 48%. With an average temperature of 27°C (81°F), this humidity feels like a pleasant warmth that envelops you, making it comfortable for traveling while also inviting you to explore the sights without feeling overwhelmed.

September Average Humidity in Golden Valley

This chart illustrates the average monthly humidity levels in Golden 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 Golden Valley is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%80%68%58%45%31%27%30%48%60%70%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Golden Valley

In Golden 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 Golden Valley.

Maximum UV Index Levels in Golden Valley for September

The chart shows the monthly maximum UV Index (UVI) for Golden 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 Golden Valley typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
Data source: Golden 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 Golden Valley Compares to Other Months

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

This table compares monthly weather conditions in Golden Valley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)28 mm (1.1 inches)77%moderate
February Weather10°C (49°F)29 mm (1.1 inches)80%high
March Weather13°C (56°F)36 mm (1.4 inches)68%very high
April Weather19°C (67°F)8 mm (0.3 inches)58%very high
May Weather23°C (74°F)7 mm (0.3 inches)45%extreme
June Weather30°C (86°F)1 mm (0.1 inches)31%extreme
July Weather32°C (89°F)32 mm (1.3 inches)27%extreme
August Weather32°C (89°F)14 mm (0.6 inches)30%extreme
September Weather27°C (81°F)15 mm (0.6 inches)48%very high
October Weather19°C (67°F)20 mm (0.8 inches)59%high
November Weather14°C (57°F)26 mm (1.0 inches)70%moderate
December Weather8°C (47°F)21 mm (0.8 inches)77%moderate

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