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September Weather in Appleton City, United States

Last updated: June 24, 2025

In September, the average temperature in Appleton City, United States hovers around 23°C (73°F). Expect temperatures to vary, with a cool minimum of 7°C (44°F) and a warm maximum of 34°C (94°F). You'll also experience 74 mm (2.9 in) of precipitation spread over 7 days, complemented by an average humidity of 72%. Embrace the variability of the season!

September Temperature in Appleton City

In September in Appleton City, the average temperature is 23°C (73°F). The maximum can reach 34°C (94°F), while the minimum can drop as low as 7°C (44°F). This range of temperatures makes Appleton City an ideal destination to enjoy both warm days and cooler evenings during your travels.

September Weather in Appleton City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Appleton City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Appleton City, September typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (94°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec343548556777807773584640
Data source: Temperature data for Appleton City 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 Appleton City

In Appleton City in September, the precipitation amount is 74 mm (2.9 in) over a period of 7 days.

September Precipitation Trends in Appleton City

The chart displays monthly precipitation patterns in Appleton City, 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 Appleton City, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec655911811218699127136741015235
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Appleton City

In Appleton City in September, humidity is 72%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel exhilarating yet slightly sticky, as the air clings to your skin and invites you to seek out cool, refreshing places to explore.

September Average Humidity in Appleton City

This chart illustrates the average monthly humidity levels in Appleton City, 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 Appleton City is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Appleton City

In Appleton City 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 Appleton City.

Maximum UV Index Levels in Appleton City for September

The chart shows the monthly maximum UV Index (UVI) for Appleton City 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 Appleton City typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35610101111109743
Data source: Appleton City 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 Appleton City Compares to Other Months

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

This table compares monthly weather conditions in Appleton City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)65 mm (2.6 inches)80%moderate
February Weather2°C (36°F)59 mm (2.3 inches)78%moderate
March Weather9°C (49°F)118 mm (4.7 inches)75%high
April Weather13°C (56°F)112 mm (4.4 inches)77%very high
May Weather19°C (67°F)185 mm (7.3 inches)82%very high
June Weather25°C (77°F)99 mm (3.9 inches)83%extreme
July Weather27°C (81°F)127 mm (5.0 inches)81%extreme
August Weather25°C (77°F)136 mm (5.4 inches)78%very high
September Weather23°C (73°F)74 mm (2.9 inches)72%very high
October Weather15°C (59°F)101 mm (4.0 inches)72%high
November Weather8°C (46°F)52 mm (2.0 inches)84%moderate
December Weather4°C (40°F)35 mm (1.4 inches)86%moderate

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