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September Weather in Maquoketa, United States

Last updated: June 24, 2025

In September, the average temperature in Maquoketa, United States hovers around 19°C (67°F), with delightful highs reaching up to 33°C (92°F) and lows dipping to a brisk 2°C (36°F). Expect 122 mm (4.8 in) of precipitation spread over 10 days, contributing to an average humidity of 78%. Embrace the mixture of warm days and refreshing showers!

September Temperature in Maquoketa

In September in Maquoketa, the average temperature is 19°C (67°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 2°C (36°F). This range makes it a great time to visit for those who enjoy mild weather but should be prepared for both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Maquoketa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Maquoketa, September typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec222438486172767267533831
Data source: Temperature data for Maquoketa 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 Maquoketa

In Maquoketa in September, the total precipitation amount reaches 122 mm (4.8 in) over the course of 10 days.

September Precipitation Trends in Maquoketa

The chart displays monthly precipitation patterns in Maquoketa, 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 Maquoketa, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5257749214212275941221194946
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Maquoketa

In Maquoketa in September humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.

September Average Humidity in Maquoketa

This chart illustrates the average monthly humidity levels in Maquoketa, 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 Maquoketa is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Maquoketa

In Maquoketa 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 Maquoketa.

Maximum UV Index Levels in Maquoketa for September

The chart shows the monthly maximum UV Index (UVI) for Maquoketa 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 Maquoketa typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
Data source: Maquoketa 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 Maquoketa Compares to Other Months

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

This table compares monthly weather conditions in Maquoketa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)52 mm (2.0 inches)81%moderate
February Weather-4°C (24°F)57 mm (2.3 inches)81%moderate
March Weather3°C (39°F)74 mm (2.9 inches)81%high
April Weather9°C (48°F)91 mm (3.6 inches)82%very high
May Weather16°C (61°F)142 mm (5.6 inches)78%very high
June Weather22°C (73°F)122 mm (4.8 inches)81%extreme
July Weather24°C (76°F)75 mm (3.0 inches)79%very high
August Weather22°C (72°F)94 mm (3.7 inches)77%very high
September Weather19°C (67°F)122 mm (4.8 inches)78%very high
October Weather12°C (53°F)119 mm (4.7 inches)78%high
November Weather3°C (38°F)49 mm (1.9 inches)87%moderate
December Weather-1°C (31°F)46 mm (1.8 inches)84%low

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