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September Weather in Haw River, United States

Last updated: June 24, 2025

In September, the average temperature in Haw River, United States is a pleasant 23°C (74°F). However, it can range from a cool minimum of 7°C (45°F) to a sizzling maximum of 36°C (96°F). Expect 129 mm (5.1 in) of precipitation over about 10 days, contributing to a cozy average humidity of 79%.

September Temperature in Haw River

In September in Haw River, the average temperature is 23°C (74°F). Maximums can reach 36°C (96°F) and minimums can drop as low as 7°C (45°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your visit.

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

The chart illustrates September temperature patterns in Haw River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haw River, September typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (96°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec424752617076807873645046
Data source: Temperature data for Haw 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 Haw River

In Haw River in September, the precipitation amount is 129 mm (5.1 in) over a span of 10 days.

September Precipitation Trends in Haw River

The chart displays monthly precipitation patterns in Haw 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 Haw River, September typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec90116831131181191111341299480106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Haw River

In Haw River in September, humidity is 79%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities a bit less comfortable, urging travelers to seek shade and hydration throughout the day.

September Average Humidity in Haw River

This chart illustrates the average monthly humidity levels in Haw 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 Haw River is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%81%80%81%81%81%80%79%80%86%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haw River

In Haw River 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 Haw River.

Maximum UV Index Levels in Haw River for September

The chart shows the monthly maximum UV Index (UVI) for Haw 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 Haw River typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109853
Data source: Haw 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 Haw River Compares to Other Months

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

This table compares monthly weather conditions in Haw River, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)90 mm (3.5 inches)85%moderate
February Weather9°C (48°F)116 mm (4.6 inches)82%high
March Weather11°C (52°F)83 mm (3.2 inches)81%very high
April Weather16°C (61°F)113 mm (4.4 inches)80%very high
May Weather21°C (70°F)117 mm (4.6 inches)81%extreme
June Weather24°C (76°F)119 mm (4.7 inches)81%extreme
July Weather27°C (80°F)111 mm (4.4 inches)81%extreme
August Weather25°C (78°F)134 mm (5.3 inches)80%very high
September Weather23°C (74°F)129 mm (5.1 inches)79%very high
October Weather18°C (64°F)94 mm (3.7 inches)80%very high
November Weather10°C (50°F)80 mm (3.1 inches)85%moderate
December Weather8°C (46°F)106 mm (4.2 inches)86%moderate

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