September Weather in Fair Oaks Ranch, United States

Last updated: June 24, 2025

In Fair Oaks Ranch, United States, the average temperature in September reaches a pleasant 26°C (78°F). However, be prepared for a wide temperature range, with minimums dipping to 10°C (51°F) and soaring highs of 38°C (101°F). Expect around 118 mm (4.7 in) of precipitation spread over 11 days, contributing to an average humidity of 65%. Stay in tune with the weather to make the most of your time here!

September Temperature in Fair Oaks Ranch

In September, in Fair Oaks Ranch, the average temperature is 26°C (78°F). Maximum temperatures can reach 38°C (101°F), while the minimum can drop as low as 10°C (51°F). This comfortable climate makes it an ideal destination for travelers seeking both warmth and cooler evenings to enjoy.

September Weather in Fair Oaks Ranch: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fair Oaks Ranch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fair Oaks Ranch, September typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec515363687581838478695954
Data source: Temperature data for Fair Oaks Ranch 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 Fair Oaks Ranch

In Fair Oaks Ranch in September, the precipitation amount is 118 mm (4.7 in) over the course of 11 days.

September Precipitation Trends in Fair Oaks Ranch

The chart displays monthly precipitation patterns in Fair Oaks Ranch, 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 Fair Oaks Ranch, September typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec45576575135845858118854053
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fair Oaks Ranch

In Fair Oaks Ranch in September, humidity is 65%. With an average temperature of 26°C (78°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit challenging, often leaving travelers feeling sticky and in need of frequent breaks in the shade.

September Average Humidity in Fair Oaks Ranch

This chart illustrates the average monthly humidity levels in Fair Oaks Ranch, 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 Fair Oaks Ranch is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%74%76%81%76%66%58%65%74%81%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fair Oaks Ranch

In Fair Oaks Ranch in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Fair Oaks Ranch.

Maximum UV Index Levels in Fair Oaks Ranch for September

The chart shows the monthly maximum UV Index (UVI) for Fair Oaks Ranch 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 Fair Oaks Ranch typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121211975
Data source: Fair Oaks Ranch 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 Fair Oaks Ranch Compares to Other Months

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

This table compares monthly weather conditions in Fair Oaks Ranch, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)45 mm (1.8 inches)79%moderate
February Weather12°C (53°F)57 mm (2.3 inches)79%very high
March Weather17°C (63°F)65 mm (2.6 inches)74%very high
April Weather20°C (68°F)75 mm (2.9 inches)76%extreme
May Weather24°C (75°F)135 mm (5.3 inches)81%extreme
June Weather27°C (81°F)84 mm (3.3 inches)76%extreme
July Weather28°C (83°F)58 mm (2.3 inches)66%extreme
August Weather29°C (84°F)58 mm (2.3 inches)58%extreme
September Weather26°C (78°F)118 mm (4.7 inches)65%extreme
October Weather21°C (70°F)84 mm (3.3 inches)74%very high
November Weather15°C (59°F)40 mm (1.6 inches)81%high
December Weather12°C (54°F)53 mm (2.1 inches)86%moderate

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