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September Weather in Hiawatha, United States

Last updated: June 24, 2025

In Hiawatha, United States, the average temperature in September hovers around 22°C (72°F). However, prepare for the extremes—temperatures can drop to a chilly 6°C (43°F) or soar to a scorching 35°C (95°F). During this month, expect approximately 81 mm (3.2 in) of precipitation spread over 8 days, with an average humidity level of 71%. Be ready for a mix of weather!

September Temperature in Hiawatha

In September in Hiawatha, the average temperature is 22°C (72°F). Maximums can reach 35°C (95°F), while minimums can dip as low as 6°C (43°F). This diverse range of temperatures makes Hiawatha a great destination for travelers seeking both warmth and cooler respite.

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

The chart illustrates September temperature patterns in Hiawatha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hiawatha, September typically has an average temperature of 22°C (72°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec293045536577797671564336
Data source: Temperature data for Hiawatha 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 Hiawatha

In Hiawatha in September, the precipitation amount is 81 mm (3.2 in) over the course of 8 days.

September Precipitation Trends in Hiawatha

The chart displays monthly precipitation patterns in Hiawatha, 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 Hiawatha, September typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4031978220110975129811203832
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hiawatha

In Hiawatha in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Hiawatha

This chart illustrates the average monthly humidity levels in Hiawatha, 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 Hiawatha is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hiawatha

In Hiawatha 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 Hiawatha.

Maximum UV Index Levels in Hiawatha for September

The chart shows the monthly maximum UV Index (UVI) for Hiawatha 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 Hiawatha typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Hiawatha 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 Hiawatha Compares to Other Months

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

This table compares monthly weather conditions in Hiawatha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)40 mm (1.6 inches)76%moderate
February Weather-1°C (31°F)31 mm (1.2 inches)77%moderate
March Weather7°C (45°F)97 mm (3.8 inches)70%high
April Weather12°C (53°F)82 mm (3.2 inches)73%very high
May Weather18°C (65°F)201 mm (7.9 inches)82%very high
June Weather25°C (77°F)109 mm (4.3 inches)82%extreme
July Weather26°C (80°F)75 mm (3.0 inches)81%extreme
August Weather24°C (76°F)129 mm (5.1 inches)78%very high
September Weather22°C (72°F)81 mm (3.2 inches)71%very high
October Weather13°C (56°F)120 mm (4.7 inches)71%high
November Weather6°C (43°F)37 mm (1.5 inches)81%moderate
December Weather2°C (36°F)32 mm (1.3 inches)84%moderate

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