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September Weather in Morrilton, United States

Last updated: June 24, 2025

In Morrilton, United States, the average temperature in September is a pleasant 24°C (76°F). During this time, you can expect minimum temperatures to dip to 9°C (48°F), while highs can soar up to 36°C (97°F). Rainfall averages around 71 mm (2.8 in) spread over 7 days, contributing to an average humidity of 59%.

September Temperature in Morrilton

In September in Morrilton, the average temperature is 24°C (76°F). Maximum can reach 36°C (97°F), and minimum can be as low as 9°C (48°F). This makes Morrilton a great destination for travelers looking to enjoy mild weather with the possibility of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Morrilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morrilton, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec414454607078817975635046
Data source: Temperature data for Morrilton 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 Morrilton

In Morrilton in September, the precipitation amount is 71 mm (2.8 in) over a span of 7 days.

September Precipitation Trends in Morrilton

The chart displays monthly precipitation patterns in Morrilton, 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 Morrilton, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec9114614715318812385122719690106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Morrilton

In Morrilton in September humidity is 59%. With an average temperature of 24°C (76°F), this humidity feels like a comfortable, refreshing embrace, making it ideal for leisurely strolls and outdoor explorations.

September Average Humidity in Morrilton

This chart illustrates the average monthly humidity levels in Morrilton, 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 Morrilton is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Morrilton

In Morrilton 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 Morrilton.

Maximum UV Index Levels in Morrilton for September

The chart shows the monthly maximum UV Index (UVI) for Morrilton 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 Morrilton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
Data source: Morrilton 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 Morrilton Compares to Other Months

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

This table compares monthly weather conditions in Morrilton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)91 mm (3.6 inches)82%moderate
February Weather7°C (44°F)146 mm (5.8 inches)79%high
March Weather12°C (54°F)147 mm (5.8 inches)77%very high
April Weather15°C (60°F)153 mm (6.0 inches)78%very high
May Weather21°C (70°F)188 mm (7.4 inches)82%extreme
June Weather26°C (78°F)123 mm (4.9 inches)81%extreme
July Weather27°C (82°F)85 mm (3.3 inches)75%extreme
August Weather26°C (80°F)122 mm (4.8 inches)61%very high
September Weather24°C (76°F)71 mm (2.8 inches)59%very high
October Weather17°C (63°F)96 mm (3.8 inches)69%high
November Weather10°C (50°F)90 mm (3.5 inches)82%moderate
December Weather8°C (46°F)106 mm (4.2 inches)87%moderate

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