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September Weather in Newell, United States

Last updated: June 24, 2025

The average temperature in Newell, United States during September is a pleasant 19°C (67°F). However, temperatures can vary significantly, with minimums dropping to 4°C (39°F) and maximums soaring to 35°C (95°F). Expect about 104 mm (4.1 in) of precipitation over approximately 9 days, accompanied by an average humidity level of 75%.

September Temperature in Newell

In September in Newell, the average temperature is 19°C (67°F). Maximums can reach 35°C (95°F), and minimums can be as low as 4°C (39°F). This diverse temperature range makes Newell an ideal destination for travelers looking to enjoy both warm days and cool evenings.

September Weather in Newell: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Newell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newell, September typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec212137476174767267503728
Data source: Temperature data for Newell 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 Newell

In Newell in September, the precipitation amount is 104 mm (4.1 in) over the course of 9 days.

September Precipitation Trends in Newell

The chart displays monthly precipitation patterns in Newell, 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 Newell, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec26427574147114671101041073639
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Newell

In Newell in September humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

September Average Humidity in Newell

This chart illustrates the average monthly humidity levels in Newell, 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 Newell is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%75%79%74%81%82%80%75%77%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Newell

In Newell 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 Newell.

Maximum UV Index Levels in Newell for September

The chart shows the monthly maximum UV Index (UVI) for Newell 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 Newell typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589111098632
Data source: Newell 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 Newell Compares to Other Months

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

This table compares monthly weather conditions in Newell, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)26 mm (1.0 inches)80%moderate
February Weather-6°C (22°F)42 mm (1.6 inches)84%moderate
March Weather3°C (38°F)75 mm (2.9 inches)75%moderate
April Weather8°C (47°F)74 mm (2.9 inches)79%very high
May Weather16°C (61°F)147 mm (5.8 inches)74%very high
June Weather23°C (74°F)114 mm (4.5 inches)81%extreme
July Weather24°C (76°F)67 mm (2.6 inches)82%very high
August Weather22°C (72°F)110 mm (4.3 inches)80%very high
September Weather19°C (67°F)104 mm (4.1 inches)75%very high
October Weather10°C (50°F)107 mm (4.2 inches)77%high
November Weather3°C (37°F)36 mm (1.4 inches)85%moderate
December Weather-2°C (29°F)39 mm (1.5 inches)83%low

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