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September Weather in River Oaks, United States

Last updated: June 24, 2025

In September, the average temperature in River Oaks, United States hovers around 26°C (79°F). However, prepare for a range, as temperatures can dip as low as 10°C (50°F) and soar up to 38°C (100°F). Expect about 78 mm (3.1 in) of precipitation spread over 8 days, while the average humidity sits comfortably at 64%.

September Temperature in River Oaks

In September in River Oaks, the average temperature is 26°C (79°F). The maximum can reach 38°C (100°F) and the minimum can be as low as 10°C (50°F). This makes River Oaks a great destination for travelers seeking warm weather during the day while still being prepared for cooler evenings.

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

The chart illustrates September temperature patterns in River Oaks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In River Oaks, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (100°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec464960657481858479675651
Data source: Temperature data for River Oaks 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 River Oaks

In River Oaks in September, the total precipitation amount is 78 mm (3.1 in) over the course of 8 days.

September Precipitation Trends in River Oaks

The chart displays monthly precipitation patterns in River Oaks, 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 River Oaks, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec458396951391093686781335148
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in River Oaks

In River Oaks in September, humidity is 64%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air clings to your skin and the heat amplifies.

September Average Humidity in River Oaks

This chart illustrates the average monthly humidity levels in River Oaks, 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 River Oaks is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in River Oaks

In River Oaks 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 River Oaks.

Maximum UV Index Levels in River Oaks for September

The chart shows the monthly maximum UV Index (UVI) for River Oaks 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 River Oaks typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: River Oaks 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 River Oaks Compares to Other Months

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

This table compares monthly weather conditions in River Oaks, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)45 mm (1.8 inches)77%moderate
February Weather9°C (49°F)83 mm (3.3 inches)76%high
March Weather16°C (60°F)96 mm (3.8 inches)74%very high
April Weather18°C (65°F)95 mm (3.7 inches)75%very high
May Weather23°C (74°F)139 mm (5.5 inches)80%extreme
June Weather27°C (82°F)109 mm (4.3 inches)80%extreme
July Weather30°C (85°F)36 mm (1.4 inches)75%extreme
August Weather29°C (85°F)86 mm (3.4 inches)67%extreme
September Weather26°C (79°F)78 mm (3.1 inches)64%very high
October Weather20°C (68°F)133 mm (5.2 inches)70%very high
November Weather13°C (56°F)51 mm (2.0 inches)82%high
December Weather11°C (51°F)48 mm (1.9 inches)85%moderate

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