September Weather in Blytheville, United States

Last updated: June 24, 2025

In September, the average temperature in Blytheville, United States is a pleasant 24°C (75°F), but be prepared for a range as temperatures can drop to a minimum of 9°C (49°F) and soar up to a maximum of 35°C (96°F). Expect 92 mm (3.6 in) of precipitation over approximately 8 days, contributing to an average humidity of 71%. Whether you’re relaxing in the warmth or navigating the occasional shower, this climate presents a delightful experience.

September Temperature in Blytheville

In September in Blytheville, the average temperature is 24°C (75°F), with maximums reaching up to 35°C (96°F) and minimums dipping as low as 9°C (49°F). This variability makes it an ideal destination for travelers seeking a warm climate with the option for cooler evenings.

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

The chart illustrates September temperature patterns in Blytheville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blytheville, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec404353607178827975634945
Data source: Temperature data for Blytheville 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 Blytheville

In Blytheville in September, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

September Precipitation Trends in Blytheville

The chart displays monthly precipitation patterns in Blytheville, 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 Blytheville, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1041691761361141001001159211491111
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Blytheville

In Blytheville in September, humidity is 71%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities for traveling both refreshing and sometimes a bit stifling, prompting travelers to seek shaded spots or refreshing drinks while exploring.

September Average Humidity in Blytheville

This chart illustrates the average monthly humidity levels in Blytheville, 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 Blytheville is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%81%81%83%83%81%74%71%76%84%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Blytheville

In Blytheville 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 Blytheville.

Maximum UV Index Levels in Blytheville for September

The chart shows the monthly maximum UV Index (UVI) for Blytheville 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 Blytheville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109753
Data source: Blytheville 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 Blytheville Compares to Other Months

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

This table compares monthly weather conditions in Blytheville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)104 mm (4.1 inches)84%moderate
February Weather6°C (44°F)169 mm (6.7 inches)83%high
March Weather12°C (53°F)176 mm (6.9 inches)81%high
April Weather15°C (60°F)136 mm (5.4 inches)81%very high
May Weather22°C (71°F)114 mm (4.5 inches)83%very high
June Weather26°C (79°F)100 mm (3.9 inches)83%extreme
July Weather28°C (82°F)100 mm (3.9 inches)81%extreme
August Weather26°C (79°F)115 mm (4.5 inches)74%very high
September Weather24°C (75°F)92 mm (3.6 inches)71%very high
October Weather17°C (64°F)114 mm (4.5 inches)76%high
November Weather10°C (49°F)91 mm (3.6 inches)84%moderate
December Weather7°C (45°F)111 mm (4.4 inches)88%moderate

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