September Weather in Rolling Hills, United States

Last updated: June 24, 2025

In September, the average temperature in Rolling Hills, United States hovers around 22°C (71°F), offering a pleasant climate for outdoor activities. Expect warm days, with temperatures ranging from a comfortable 15°C (60°F) to a scorching 36°C (97°F). With only a light 3 mm (0.1 in) of precipitation across 0 days, you can relish the warm sunshine, complemented by an average humidity of 68%. Perfect weather awaits!

September Temperature in Rolling Hills

In September in Rolling Hills, the average temperature is 22°C (71°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop to as low as 15°C (60°F). This makes Rolling Hills an ideal destination for travelers seeking pleasant weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Rolling Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rolling Hills, September typically has an average temperature of 22°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec575759626366707271686358
Data source: Temperature data for Rolling Hills generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Rolling Hills

In Rolling Hills in September, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

September Precipitation Trends in Rolling Hills

The chart displays monthly precipitation patterns in Rolling 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 Rolling Hills, September typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec6148521810331381770
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Rolling Hills

In Rolling Hills in September, humidity is 68%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making traveling quite pleasant yet slightly sticky as you explore the sights.

September Average Humidity in Rolling Hills

This chart illustrates the average monthly humidity levels in Rolling 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 Rolling Hills is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%79%75%71%70%72%73%69%68%67%68%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rolling Hills

In Rolling Hills 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 Rolling Hills.

Maximum UV Index Levels in Rolling Hills for September

The chart shows the monthly maximum UV Index (UVI) for Rolling 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 Rolling Hills typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891011111010754
Data source: Rolling 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 Rolling Hills Compares to Other Months

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

This table compares monthly weather conditions in Rolling Hills, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)61 mm (2.4 inches)74%moderate
February Weather14°C (58°F)48 mm (1.9 inches)79%high
March Weather15°C (59°F)52 mm (2.1 inches)75%very high
April Weather17°C (62°F)18 mm (0.7 inches)70%very high
May Weather17°C (63°F)10 mm (0.4 inches)70%very high
June Weather19°C (66°F)3 mm (0.1 inches)72%extreme
July Weather21°C (71°F)3 mm (0.1 inches)73%extreme
August Weather22°C (72°F)1 mm (0.1 inches)69%very high
September Weather22°C (71°F)3 mm (0.1 inches)68%very high
October Weather20°C (69°F)8 mm (0.3 inches)67%high
November Weather17°C (63°F)17 mm (0.7 inches)68%moderate
December Weather14°C (58°F)70 mm (2.8 inches)71%moderate

Compare Rolling Hills's Climate with Cities Worldwide