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September Weather in New Underwood, United States

Last updated: June 24, 2025

In September, the average temperature in New Underwood, United States hovers around 18°C (64°F), boasting a range that can dip to a chilling -1°C (31°F) or soar to a scorching 39°C (102°F). During this time, expect about 33 mm (1.3 in) of precipitation over 5 days, contributing to an average humidity of 76%. Prepare for a month of diverse weather as you explore this vibrant locale!

September Temperature in New Underwood

In September in New Underwood, the average temperature is 18°C (64°F). Maximum temperatures can reach 39°C (102°F), while minimums can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures when planning your travels!

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

The chart illustrates September temperature patterns in New Underwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Underwood, September typically has an average temperature of 18°C (64°F), with highs reaching up to 39°C (102°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec252136435670767264463728
Data source: Temperature data for New Underwood 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 Underwood

In New Underwood in September, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.

September Precipitation Trends in New Underwood

The chart displays monthly precipitation patterns in New Underwood, 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 Underwood, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec112036588257773333471225
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Underwood

In New Underwood in September, humidity is 76%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel steamy and invigorating—perfect for exploring charming streets, though you might want to take breaks in the shade.

September Average Humidity in New Underwood

This chart illustrates the average monthly humidity levels in New Underwood, 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 Underwood is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%78%64%66%74%84%85%85%76%71%73%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Underwood

In New Underwood 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 New Underwood.

Maximum UV Index Levels in New Underwood for September

The chart shows the monthly maximum UV Index (UVI) for New Underwood 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 Underwood typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891110108532
Data source: New Underwood 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 Underwood Compares to Other Months

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

This table compares monthly weather conditions in New Underwood, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)11 mm (0.5 inches)73%moderate
February Weather-6°C (22°F)20 mm (0.8 inches)78%moderate
March Weather2°C (36°F)36 mm (1.4 inches)64%high
April Weather6°C (44°F)58 mm (2.3 inches)66%very high
May Weather13°C (56°F)82 mm (3.2 inches)74%very high
June Weather21°C (70°F)57 mm (2.2 inches)84%extreme
July Weather24°C (76°F)77 mm (3.0 inches)85%very high
August Weather22°C (73°F)33 mm (1.3 inches)85%very high
September Weather18°C (64°F)33 mm (1.3 inches)76%very high
October Weather8°C (47°F)47 mm (1.8 inches)71%moderate
November Weather3°C (37°F)12 mm (0.5 inches)73%moderate
December Weather-2°C (29°F)25 mm (1.0 inches)75%low

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