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September Weather in Mountainburg, United States

Last updated: June 24, 2025

In September, the average temperature in Mountainburg, United States is a pleasant 23°C (74°F). However, you can expect a range, with minimums dipping to 7°C (46°F) and maximums soaring up to 35°C (96°F). On average, 78 mm (3.1 in) of precipitation falls over about 6 days, contributing to a humidity level of 59%. Whether you’re soaking up the sun or enjoying cooler breezes, September offers a delightful climate!

September Temperature in Mountainburg

In September in Mountainburg, the average temperature is 23°C (74°F). Maximums can reach 35°C (96°F) and minimums can be as low as 7°C (46°F). This makes Mountainburg a great destination for travelers seeking warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Mountainburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mountainburg, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (96°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec384152576776797773614844
Data source: Temperature data for Mountainburg 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 Mountainburg

In Mountainburg in September, the precipitation amount is 78 mm (3.1 in) spread over 6 days.

September Precipitation Trends in Mountainburg

The chart displays monthly precipitation patterns in Mountainburg, 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 Mountainburg, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec94123154171210103111144781638992
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mountainburg

In Mountainburg in September humidity is 59%. With an average temperature of 23°C (74°F), this humidity feels like a warm, inviting embrace, making it comfortable for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Mountainburg

This chart illustrates the average monthly humidity levels in Mountainburg, 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 Mountainburg 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 Mountainburg

In Mountainburg 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 Mountainburg.

Maximum UV Index Levels in Mountainburg for September

The chart shows the monthly maximum UV Index (UVI) for Mountainburg 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 Mountainburg typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109754
Data source: Mountainburg 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 Mountainburg Compares to Other Months

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

This table compares monthly weather conditions in Mountainburg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)94 mm (3.7 inches)82%moderate
February Weather5°C (42°F)123 mm (4.9 inches)79%high
March Weather11°C (52°F)153 mm (6.0 inches)77%high
April Weather14°C (58°F)171 mm (6.7 inches)78%very high
May Weather20°C (67°F)210 mm (8.3 inches)82%extreme
June Weather24°C (76°F)103 mm (4.0 inches)81%extreme
July Weather26°C (79°F)111 mm (4.4 inches)75%extreme
August Weather25°C (77°F)143 mm (5.6 inches)61%very high
September Weather23°C (74°F)78 mm (3.1 inches)59%very high
October Weather16°C (61°F)163 mm (6.4 inches)69%high
November Weather9°C (49°F)89 mm (3.5 inches)82%moderate
December Weather6°C (44°F)92 mm (3.6 inches)87%moderate

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