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September Weather in New Holland, United States

Last updated: June 24, 2025

In September, the average temperature in New Holland, United States hovers around 21°C (70°F). Be prepared for some variability, as temperatures can drop to a chilly 5°C (42°F) or soar up to a sweltering 35°C (95°F). Expect 92 mm (3.6 in) of precipitation spread over about 8 days, contributing to an average humidity level of 73%. Enjoy the diverse climate while you're there!

September Temperature in New Holland

In September in New Holland, the average temperature is 21°C (70°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 5°C (42°F). This diverse range in temperatures makes it essential to pack for both warm days and cooler evenings during your travels.

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

The chart illustrates September temperature patterns in New Holland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Holland, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec323644536472767469584337
Data source: Temperature data for New Holland 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 Holland

In New Holland in September, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

September Precipitation Trends in New Holland

The chart displays monthly precipitation patterns in New Holland, 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 Holland, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7810512612312713812198929894105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Holland

In New Holland in September, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

September Average Humidity in New Holland

This chart illustrates the average monthly humidity levels in New Holland, 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 Holland is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Holland

In New Holland 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 New Holland.

Maximum UV Index Levels in New Holland for September

The chart shows the monthly maximum UV Index (UVI) for New Holland 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 Holland typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: New Holland 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 Holland Compares to Other Months

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

This table compares monthly weather conditions in New Holland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)78 mm (3.1 inches)88%moderate
February Weather2°C (36°F)105 mm (4.1 inches)88%moderate
March Weather6°C (44°F)126 mm (5.0 inches)87%high
April Weather12°C (53°F)123 mm (4.9 inches)85%very high
May Weather18°C (65°F)127 mm (5.0 inches)81%very high
June Weather22°C (72°F)138 mm (5.4 inches)82%very high
July Weather25°C (77°F)121 mm (4.8 inches)81%very high
August Weather23°C (74°F)98 mm (3.8 inches)73%very high
September Weather21°C (70°F)92 mm (3.6 inches)73%very high
October Weather15°C (59°F)98 mm (3.9 inches)78%high
November Weather6°C (43°F)94 mm (3.7 inches)89%moderate
December Weather3°C (38°F)105 mm (4.1 inches)87%moderate

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