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September Weather in New Madrid, United States

Last updated: June 24, 2025

In New Madrid, United States, the average temperature in September hovers around 23°C (74°F). However, be prepared for fluctuations, as temperatures can dip to a chilly 9°C (49°F) or soar up to a sweltering 35°C (95°F). Expect about 91 mm (3.6 in) of precipitation spread over 8 days, complemented by an average humidity level of 75%.

September Temperature in New Madrid

In September in New Madrid, the average temperature is 23°C (74°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 9°C (49°F). Be prepared for warm days and cooler evenings while enjoying your travels in New Madrid.

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

The chart illustrates September temperature patterns in New Madrid, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Madrid, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec394252597078817874624844
Data source: Temperature data for New Madrid 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 Madrid

In New Madrid in September, the total precipitation amount is 91 mm (3.6 in) over the course of 8 days.

September Precipitation Trends in New Madrid

The chart displays monthly precipitation patterns in New Madrid, 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 Madrid, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10915718014912410510510191112104103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Madrid

In New Madrid in September, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

September Average Humidity in New Madrid

This chart illustrates the average monthly humidity levels in New Madrid, 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 Madrid is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Madrid

In New Madrid 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 New Madrid.

Maximum UV Index Levels in New Madrid for September

The chart shows the monthly maximum UV Index (UVI) for New Madrid 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 Madrid typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: New Madrid 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 Madrid Compares to Other Months

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

This table compares monthly weather conditions in New Madrid, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)109 mm (4.3 inches)86%moderate
February Weather6°C (42°F)156 mm (6.2 inches)84%high
March Weather11°C (52°F)180 mm (7.1 inches)84%high
April Weather15°C (59°F)149 mm (5.8 inches)80%very high
May Weather21°C (70°F)124 mm (4.9 inches)82%very high
June Weather25°C (78°F)105 mm (4.1 inches)83%extreme
July Weather27°C (81°F)105 mm (4.1 inches)79%extreme
August Weather26°C (78°F)101 mm (4.0 inches)76%very high
September Weather23°C (74°F)91 mm (3.6 inches)75%very high
October Weather17°C (63°F)112 mm (4.4 inches)74%high
November Weather9°C (48°F)104 mm (4.1 inches)85%moderate
December Weather7°C (44°F)103 mm (4.0 inches)88%moderate

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