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September Weather in Newtown Grant, United States

Last updated: June 24, 2025

In September, the average temperature in Newtown Grant, United States is a pleasant 21°C (70°F). While you can expect a low of 6°C (42°F) and a warm high of 34°C (94°F), be prepared for some rain, as the area sees about 91 mm (3.6 in) of precipitation over 10 days. With an average humidity of 66%, expect a fresh atmosphere that adds to the region's charm.

September Temperature in Newtown Grant

In September in Newtown Grant, the average temperature is 21°C (70°F). The maximum can reach 34°C (94°F), while the minimum can be as low as 6°C (42°F). This pleasant temperature range makes Newtown Grant an ideal destination for travelers looking to enjoy a comfortable climate.

September Weather in Newtown Grant: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Newtown Grant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newtown Grant, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec343743536372787570604638
Data source: Temperature data for Newtown Grant 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 Newtown Grant

In Newtown Grant in September, the precipitation amount totals 91 mm (3.6 in) over a span of 10 days.

September Precipitation Trends in Newtown Grant

The chart displays monthly precipitation patterns in Newtown Grant, 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 Newtown Grant, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec661081101061381031451469111284105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Newtown Grant

In Newtown Grant in September humidity is 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

September Average Humidity in Newtown Grant

This chart illustrates the average monthly humidity levels in Newtown Grant, 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 Newtown Grant is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Newtown Grant

In Newtown Grant in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Newtown Grant.

Maximum UV Index Levels in Newtown Grant for September

The chart shows the monthly maximum UV Index (UVI) for Newtown Grant 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 Newtown Grant typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Newtown Grant 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 Newtown Grant Compares to Other Months

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

This table compares monthly weather conditions in Newtown Grant, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)66 mm (2.6 inches)87%moderate
February Weather3°C (38°F)108 mm (4.2 inches)85%moderate
March Weather6°C (43°F)110 mm (4.3 inches)85%high
April Weather12°C (53°F)106 mm (4.2 inches)83%very high
May Weather17°C (63°F)138 mm (5.4 inches)75%very high
June Weather22°C (72°F)103 mm (4.0 inches)73%very high
July Weather25°C (78°F)145 mm (5.7 inches)65%very high
August Weather24°C (76°F)146 mm (5.8 inches)62%very high
September Weather21°C (70°F)91 mm (3.6 inches)66%very high
October Weather16°C (60°F)112 mm (4.4 inches)79%high
November Weather8°C (46°F)83 mm (3.3 inches)87%moderate
December Weather4°C (39°F)105 mm (4.1 inches)85%low

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