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September Weather in New River, United States

Last updated: June 24, 2025

In September, the average temperature in New River, United States hovers around 27°C (82°F), with extremes ranging from a cool 11°C (52°F) to a sweltering 41°C (106°F). Expect 24 mm (1.0 in) of precipitation over about 3 days, accompanied by an average humidity of 64%, making it a month of warmth and occasional showers.

September Temperature in New River

In September in New River, the average temperature is 27°C (82°F). Maximum temperatures can reach 41°C (106°F), while minimums can drop as low as 11°C (52°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for your trip.

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

The chart illustrates September temperature patterns in New River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New River, September typically has an average temperature of 27°C (82°F), with highs reaching up to 41°C (106°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec505158677485878681696051
Data source: Temperature data for New River 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 New River

In New River in September, the total precipitation amount is 24 mm (1.0 in) accumulated over a period of 3 days.

September Precipitation Trends in New River

The chart displays monthly precipitation patterns in New River, 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 New River, September typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec404947354753824263329
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New River

In New River in September, humidity is 64%. With an average temperature of 27°C (82°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly uncomfortable and requiring ample hydration while exploring the beautiful surroundings.

September Average Humidity in New River

This chart illustrates the average monthly humidity levels in New River, 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 New River is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New River

In New River 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 New River.

Maximum UV Index Levels in New River for September

The chart shows the monthly maximum UV Index (UVI) for New River 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 New River typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121110854
Data source: New River 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 New River Compares to Other Months

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

This table compares monthly weather conditions in New River, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)40 mm (1.6 inches)76%moderate
February Weather11°C (51°F)49 mm (1.9 inches)79%high
March Weather14°C (58°F)47 mm (1.8 inches)67%very high
April Weather20°C (68°F)3 mm (0.1 inches)55%extreme
May Weather23°C (74°F)5 mm (0.2 inches)40%extreme
June Weather29°C (85°F)4 mm (0.2 inches)33%extreme
July Weather31°C (88°F)75 mm (3.0 inches)34%extreme
August Weather30°C (87°F)38 mm (1.5 inches)48%extreme
September Weather27°C (82°F)24 mm (1.0 inches)64%very high
October Weather21°C (70°F)26 mm (1.0 inches)67%very high
November Weather16°C (61°F)32 mm (1.3 inches)77%moderate
December Weather10°C (51°F)29 mm (1.2 inches)82%moderate

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