nomadseason

September Weather in Mount Ayr, United States

Last updated: June 24, 2025

In Mount Ayr, United States, the average temperature in September hovers around 20°C (69°F). Expect a minimum of 6°C (43°F) and a maximum of 32°C (91°F), offering a delightful range of weather. Be prepared for 130 mm (5.1 in) of precipitation spread over 9 days, contributing to an average humidity of 73%. Enjoy the unique climate of this captivating location!

September Temperature in Mount Ayr

In September in Mount Ayr, the average temperature is 20°C (69°F). Maximums can reach 32°C (91°F), while minimums can drop to as low as 6°C (43°F). This pleasant climate makes Mount Ayr an ideal destination for travelers seeking comfortable weather.

September Weather in Mount Ayr: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mount Ayr, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Ayr, September typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (91°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec242641506375777469534032
Data source: Temperature data for Mount Ayr generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Mount Ayr

In Mount Ayr in September, the precipitation amount is 130 mm (5.1 in) over the course of 9 days.

September Precipitation Trends in Mount Ayr

The chart displays monthly precipitation patterns in Mount Ayr, 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 Mount Ayr, September typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec42359671171125107971301604438
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Mount Ayr

In Mount Ayr in September humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Mount Ayr

This chart illustrates the average monthly humidity levels in Mount Ayr, 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 Mount Ayr is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mount Ayr

In Mount Ayr in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Mount Ayr.

Maximum UV Index Levels in Mount Ayr for September

The chart shows the monthly maximum UV Index (UVI) for Mount Ayr 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 Mount Ayr typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Mount Ayr 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 Mount Ayr Compares to Other Months

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

This table compares monthly weather conditions in Mount Ayr, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)41 mm (1.6 inches)78%moderate
February Weather-3°C (27°F)35 mm (1.4 inches)80%moderate
March Weather5°C (42°F)96 mm (3.8 inches)77%high
April Weather10°C (51°F)71 mm (2.8 inches)77%very high
May Weather17°C (63°F)171 mm (6.7 inches)77%very high
June Weather24°C (75°F)125 mm (4.9 inches)81%extreme
July Weather25°C (78°F)106 mm (4.2 inches)81%very high
August Weather24°C (75°F)97 mm (3.8 inches)77%very high
September Weather20°C (69°F)130 mm (5.1 inches)73%very high
October Weather12°C (53°F)160 mm (6.3 inches)75%high
November Weather4°C (40°F)44 mm (1.7 inches)85%moderate
December Weather0°C (33°F)38 mm (1.5 inches)83%moderate

Compare Mount Ayr's Climate with Cities Worldwide