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September Weather in Lost Hills, United States

Last updated: June 24, 2025

In September, the average temperature in Lost Hills, United States is a warm 26°C (79°F), with temperatures ranging from a cool 10°C (50°F) to a scorching 42°C (108°F). Expect minimal rainfall, with only 1 mm (0.0 in) of precipitation over 0 days. The climate is relatively comfortable, featuring an average humidity of 48%.

September Temperature in Lost Hills

In September in Lost Hills, the average temperature is 26°C (79°F). Maximums can reach 42°C (108°F), while minimums can drop to as low as 10°C (50°F). Be prepared for a wide range of temperatures when planning your travel to Lost Hills in September.

September Weather in Lost Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lost Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lost Hills, September typically has an average temperature of 26°C (79°F), with highs reaching up to 42°C (108°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec525458657180858479695952
Data source: Temperature data for Lost Hills 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 Lost Hills

In Lost Hills in September, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

September Precipitation Trends in Lost Hills

The chart displays monthly precipitation patterns in Lost Hills, 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 Lost Hills, September typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec4141482310100151438
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lost Hills

In Lost Hills in September humidity is 48%. With average temperature 26°C (79°F), this humidity feels like a warm, pleasant embrace that enhances the tropical atmosphere, making it a perfect setting for leisurely strolls and outdoor explorations.

September Average Humidity in Lost Hills

This chart illustrates the average monthly humidity levels in Lost Hills, 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 Lost Hills is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lost Hills

In Lost Hills 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 Lost Hills.

Maximum UV Index Levels in Lost Hills for September

The chart shows the monthly maximum UV Index (UVI) for Lost Hills 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 Lost Hills typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589101112119753
Data source: Lost Hills 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 Lost Hills Compares to Other Months

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

This table compares monthly weather conditions in Lost Hills, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)41 mm (1.6 inches)78%moderate
February Weather12°C (54°F)41 mm (1.6 inches)82%moderate
March Weather14°C (58°F)48 mm (1.9 inches)75%very high
April Weather18°C (65°F)23 mm (0.9 inches)68%very high
May Weather22°C (71°F)10 mm (0.4 inches)57%very high
June Weather26°C (80°F)1 mm (0.0 inches)52%extreme
July Weather30°C (86°F)0 mm (0.0 inches)46%extreme
August Weather29°C (85°F)0 mm (0.0 inches)39%extreme
September Weather26°C (79°F)1 mm (0.0 inches)48%very high
October Weather21°C (69°F)5 mm (0.2 inches)59%high
November Weather15°C (59°F)14 mm (0.5 inches)72%moderate
December Weather11°C (52°F)38 mm (1.5 inches)76%moderate

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