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September Weather in Watts Mills, United States

Last updated: June 24, 2025

In September, the average temperature in Watts Mills, United States hovers around 24°C (76°F). Expect a range from a refreshing 9°C (49°F) to a warm 36°C (96°F). Rainfall is moderate, with 105 mm (4.1 in) spread over about 8 days, while the air carries an average humidity of 75%.

September Temperature in Watts Mills

In September in Watts Mills, the average temperature is 24°C (76°F). The maximum can reach 36°C (96°F), and the minimum can be as low as 9°C (49°F). This makes it a great time to visit for travelers looking to enjoy warm weather with comfortable evenings.

September Weather in Watts Mills: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Watts Mills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Watts Mills, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (96°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec465156637277817975665348
Data source: Temperature data for Watts Mills 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 Watts Mills

In Watts Mills in September, the precipitation amount is 105 mm (4.1 in) over the course of 8 days.

September Precipitation Trends in Watts Mills

The chart displays monthly precipitation patterns in Watts Mills, 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 Watts Mills, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec94122941091228810912410510592117
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Watts Mills

In Watts Mills in September, humidity is 75%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace, making travel somewhat stifling but also richly invigorating, as the air seems to wrap around you, heightening the experience of the local sights and sounds.

September Average Humidity in Watts Mills

This chart illustrates the average monthly humidity levels in Watts Mills, 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 Watts Mills is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Watts Mills

In Watts Mills 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 Watts Mills.

Maximum UV Index Levels in Watts Mills for September

The chart shows the monthly maximum UV Index (UVI) for Watts Mills 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 Watts Mills typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47910111111109864
Data source: Watts Mills 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 Watts Mills Compares to Other Months

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

This table compares monthly weather conditions in Watts Mills, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)94 mm (3.7 inches)86%moderate
February Weather11°C (51°F)122 mm (4.8 inches)85%high
March Weather13°C (56°F)94 mm (3.7 inches)84%very high
April Weather17°C (63°F)109 mm (4.3 inches)82%very high
May Weather22°C (72°F)122 mm (4.8 inches)83%extreme
June Weather25°C (78°F)88 mm (3.5 inches)82%extreme
July Weather27°C (81°F)109 mm (4.3 inches)80%extreme
August Weather26°C (79°F)124 mm (4.9 inches)74%very high
September Weather24°C (76°F)105 mm (4.1 inches)75%very high
October Weather19°C (67°F)105 mm (4.1 inches)79%very high
November Weather11°C (53°F)92 mm (3.6 inches)87%high
December Weather9°C (49°F)117 mm (4.6 inches)87%moderate

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