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September Weather in Middleton, United States

Last updated: June 24, 2025

In September, the average temperature in Middleton, United States is a pleasant 19°C (66°F). Expect a minimum of 3°C (38°F) and a maximum that can reach up to 38°C (100°F). During this month, anticipate about 12 mm (0.5 in) of precipitation spread over just 2 days, with an average humidity level of 48%. Enjoy the diverse weather offerings!

September Temperature in Middleton

In September in Middleton, the average temperature is 19°C (66°F). Maximum temperatures can reach 38°C (100°F), while minimums can drop as low as 3°C (38°F). This range makes Middleton an ideal destination for travelers looking for diverse weather experiences.

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

The chart illustrates September temperature patterns in Middleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Middleton, September typically has an average temperature of 19°C (66°F), with highs reaching up to 38°C (100°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec323545526070797766524133
Data source: Temperature data for Middleton 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 Middleton

In Middleton in September, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

September Precipitation Trends in Middleton

The chart displays monthly precipitation patterns in Middleton, 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 Middleton, September typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec5157424036212812243742
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Middleton

In Middleton in September, humidity is 48%. With an average temperature of 19°C (66°F), this humidity feels like a comfortable embrace, making it pleasant for travelers to explore the surroundings without feeling overly sticky or weighed down.

September Average Humidity in Middleton

This chart illustrates the average monthly humidity levels in Middleton, 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 Middleton is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%85%79%71%71%66%50%48%65%84%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Middleton

In Middleton 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 Middleton.

Maximum UV Index Levels in Middleton for September

The chart shows the monthly maximum UV Index (UVI) for Middleton 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 Middleton typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810111198642
Data source: Middleton 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 Middleton Compares to Other Months

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

This table compares monthly weather conditions in Middleton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)51 mm (2.0 inches)88%moderate
February Weather2°C (36°F)57 mm (2.2 inches)89%moderate
March Weather7°C (45°F)42 mm (1.6 inches)85%high
April Weather11°C (52°F)40 mm (1.6 inches)79%very high
May Weather16°C (60°F)36 mm (1.4 inches)71%very high
June Weather21°C (70°F)21 mm (0.8 inches)71%extreme
July Weather26°C (80°F)1 mm (0.1 inches)66%extreme
August Weather25°C (77°F)8 mm (0.3 inches)50%very high
September Weather19°C (66°F)12 mm (0.5 inches)48%very high
October Weather11°C (52°F)24 mm (0.9 inches)65%high
November Weather5°C (42°F)37 mm (1.5 inches)84%moderate
December Weather1°C (34°F)42 mm (1.7 inches)87%low

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