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September Weather in New Holstein, United States

Last updated: June 24, 2025

In September, the average temperature in New Holstein, United States hovers around 18°C (64°F). Expect a minimum of 3°C (37°F) and a maximum of 31°C (89°F), making it quite versatile. Be prepared for some rain, with 75 mm (3.0 in) of precipitation spread across 10 days. Additionally, the average humidity is around 79%, which adds to the overall climatic feel of the season.

September Temperature in New Holstein

In September in New Holstein, the average temperature is 18°C (64°F). Maximums can reach 31°C (89°F), and minimums can be as low as 3°C (37°F). This makes New Holstein an ideal destination for travelers seeking a diverse range of temperatures and outdoor experiences.

September Weather in New Holstein: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in New Holstein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Holstein, September typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (89°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec212233435667737064513628
Data source: Temperature data for New Holstein 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 New Holstein

In New Holstein in September, the precipitation amount is 75 mm (3.0 in) spread over a duration of 10 days.

September Precipitation Trends in New Holstein

The chart displays monthly precipitation patterns in New Holstein, 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 New Holstein, September typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec45475710110910210899751044649
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Holstein

In New Holstein in September, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

September Average Humidity in New Holstein

This chart illustrates the average monthly humidity levels in New Holstein, 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 New Holstein is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Holstein

In New Holstein in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in New Holstein.

Maximum UV Index Levels in New Holstein for September

The chart shows the monthly maximum UV Index (UVI) for New Holstein 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 New Holstein typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: New Holstein 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 New Holstein Compares to Other Months

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

This table compares monthly weather conditions in New Holstein, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)45 mm (1.8 inches)85%low
February Weather-6°C (22°F)47 mm (1.8 inches)85%moderate
March Weather1°C (33°F)57 mm (2.3 inches)85%moderate
April Weather6°C (43°F)101 mm (4.0 inches)85%very high
May Weather13°C (56°F)109 mm (4.3 inches)78%very high
June Weather20°C (68°F)102 mm (4.0 inches)80%very high
July Weather23°C (73°F)108 mm (4.3 inches)78%very high
August Weather21°C (70°F)99 mm (3.9 inches)76%very high
September Weather18°C (64°F)75 mm (3.0 inches)79%high
October Weather10°C (51°F)104 mm (4.1 inches)83%moderate
November Weather2°C (37°F)46 mm (1.8 inches)88%moderate
December Weather-2°C (29°F)49 mm (1.9 inches)81%low

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