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September Weather in Rancho Murieta, United States

Last updated: June 24, 2025

In Rancho Murieta, United States, the average temperature in September is a pleasant 23°C (73°F). However, be prepared for a range, as it can dip to a minimum of 8°C (47°F) or soar to a sizzling 42°C (108°F). Expect about 7 mm (0.3 in) of precipitation spread over 1 day, and enjoy a comfortable average humidity of 44%.

September Temperature in Rancho Murieta

In September in Rancho Murieta, the average temperature is 23°C (73°F), with maximums reaching 42°C (108°F) and minimums dropping to as low as 8°C (47°F). Be prepared for a wide range of temperatures to ensure a comfortable and enjoyable trip.

September Weather in Rancho Murieta: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rancho Murieta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rancho Murieta, September typically has an average temperature of 23°C (73°F), with highs reaching up to 42°C (108°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec495054606674787773645448
Data source: Temperature data for Rancho Murieta 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 Rancho Murieta

In Rancho Murieta in September, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

September Precipitation Trends in Rancho Murieta

The chart displays monthly precipitation patterns in Rancho Murieta, 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 Rancho Murieta, September typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec158147160753740074481130
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rancho Murieta

In Rancho Murieta in September humidity is 44%. With an average temperature of 23°C (73°F), this humidity feels like a pleasant embrace, making it comfortable for travelers to explore and enjoy outdoor activities without feeling too sticky or overheated.

September Average Humidity in Rancho Murieta

This chart illustrates the average monthly humidity levels in Rancho Murieta, 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 Rancho Murieta is approximately 44%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%81%74%64%44%37%44%65%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rancho Murieta

In Rancho Murieta 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 Rancho Murieta.

Maximum UV Index Levels in Rancho Murieta for September

The chart shows the monthly maximum UV Index (UVI) for Rancho Murieta 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 Rancho Murieta typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109643
Data source: Rancho Murieta 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 Rancho Murieta Compares to Other Months

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

This table compares monthly weather conditions in Rancho Murieta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)158 mm (6.2 inches)84%moderate
February Weather10°C (51°F)147 mm (5.8 inches)84%moderate
March Weather12°C (54°F)160 mm (6.3 inches)83%high
April Weather16°C (60°F)75 mm (2.9 inches)81%very high
May Weather19°C (66°F)37 mm (1.4 inches)74%very high
June Weather23°C (74°F)4 mm (0.1 inches)64%extreme
July Weather26°C (78°F)0 mm (0.0 inches)44%extreme
August Weather25°C (77°F)0 mm (0.0 inches)36%very high
September Weather23°C (73°F)7 mm (0.3 inches)44%very high
October Weather18°C (64°F)44 mm (1.7 inches)65%high
November Weather12°C (54°F)81 mm (3.2 inches)84%moderate
December Weather9°C (48°F)129 mm (5.1 inches)83%moderate

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