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September Weather in Poplar Bluff, United States

Last updated: June 24, 2025

In September, the average temperature in Poplar Bluff, United States is a comfortable 23°C (74°F). Temperatures can vary significantly, with a minimum of 9°C (48°F) and soaring up to a maximum of 36°C (97°F). Expect some moisture in the air, as precipitation averages around 72 mm (2.8 in) over approximately 8 days, contributing to an average humidity of 68%.

September Temperature in Poplar Bluff

In September in Poplar Bluff, the average temperature is 23°C (74°F). Maximums can reach 36°C (97°F) while minimums can drop to as low as 9°C (48°F). This varied climate makes Poplar Bluff an ideal destination for travelers seeking both warmth and cooler moments throughout the day.

September Weather in Poplar Bluff: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Poplar Bluff, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poplar Bluff, September typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec374151586977817874614743
Data source: Temperature data for Poplar Bluff 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 Poplar Bluff

In Poplar Bluff in September, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

September Precipitation Trends in Poplar Bluff

The chart displays monthly precipitation patterns in Poplar Bluff, 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 Poplar Bluff, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1011221491611679787120721289191
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Poplar Bluff

In Poplar Bluff in September, humidity is 68%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making traveling quite uncomfortable if you're not prepared. The air is thick and muggy, leaving you yearning for a cool breeze and frequent breaks in the shade.

September Average Humidity in Poplar Bluff

This chart illustrates the average monthly humidity levels in Poplar Bluff, 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 Poplar Bluff is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Poplar Bluff

In Poplar Bluff 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 Poplar Bluff.

Maximum UV Index Levels in Poplar Bluff for September

The chart shows the monthly maximum UV Index (UVI) for Poplar Bluff 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 Poplar Bluff typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Poplar Bluff 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 Poplar Bluff Compares to Other Months

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

This table compares monthly weather conditions in Poplar Bluff, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)101 mm (4.0 inches)83%moderate
February Weather5°C (41°F)122 mm (4.8 inches)81%high
March Weather10°C (51°F)149 mm (5.9 inches)80%high
April Weather14°C (58°F)161 mm (6.3 inches)80%very high
May Weather20°C (69°F)166 mm (6.6 inches)83%extreme
June Weather25°C (77°F)97 mm (3.8 inches)83%extreme
July Weather27°C (81°F)87 mm (3.4 inches)76%extreme
August Weather25°C (78°F)119 mm (4.7 inches)69%very high
September Weather23°C (74°F)72 mm (2.8 inches)68%very high
October Weather16°C (62°F)128 mm (5.0 inches)72%high
November Weather8°C (47°F)91 mm (3.6 inches)83%moderate
December Weather6°C (43°F)91 mm (3.6 inches)86%moderate

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