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September Weather in New Washington, United States

Last updated: June 24, 2025

In New Washington, United States, the average temperature in September is a pleasant 22°C (71°F). Expect a range, with minimums dipping to 8°C (46°F) and highs reaching up to 36°C (96°F). During this month, you'll encounter approximately 109 mm (4.3 in) of precipitation spread over 8 days, along with an average humidity of 69%. Enjoy the diverse weather while exploring!

September Temperature in New Washington

In September in New Washington, the average temperature is 22°C (71°F). Maximum temperatures can reach 36°C (96°F), while minimums can drop as low as 8°C (46°F). It's advisable to pack a mix of clothing to accommodate both warm and cooler weather during your travels.

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

The chart illustrates September temperature patterns in New Washington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Washington, September typically has an average temperature of 22°C (71°F), with highs reaching up to 36°C (96°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec353947556774787671604540
Data source: Temperature data for New Washington 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 Washington

In New Washington in September, the total precipitation amount is 109 mm (4.3 in) spread over 8 days.

September Precipitation Trends in New Washington

The chart displays monthly precipitation patterns in New Washington, 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 Washington, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec87127137139125151999510910393107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Washington

In New Washington in September humidity is 69%. With an average temperature of 22°C (71°F), this humidity feels like walking through a warm embrace, making travel slightly uncomfortable yet refreshing, as the air clings to your skin and adds a layer of warmth to your exploration.

September Average Humidity in New Washington

This chart illustrates the average monthly humidity levels in New Washington, 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 Washington is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Washington

In New Washington 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 Washington.

Maximum UV Index Levels in New Washington for September

The chart shows the monthly maximum UV Index (UVI) for New Washington 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 Washington typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108743
Data source: New Washington 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 Washington Compares to Other Months

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

This table compares monthly weather conditions in New Washington, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)87 mm (3.4 inches)87%moderate
February Weather4°C (39°F)127 mm (5.0 inches)85%moderate
March Weather8°C (47°F)137 mm (5.4 inches)86%high
April Weather13°C (56°F)139 mm (5.5 inches)84%very high
May Weather19°C (67°F)125 mm (4.9 inches)79%very high
June Weather24°C (75°F)151 mm (5.9 inches)82%extreme
July Weather26°C (78°F)99 mm (3.9 inches)79%very high
August Weather24°C (76°F)95 mm (3.8 inches)70%very high
September Weather22°C (71°F)109 mm (4.3 inches)69%very high
October Weather16°C (60°F)103 mm (4.1 inches)76%high
November Weather7°C (45°F)93 mm (3.7 inches)88%moderate
December Weather5°C (40°F)107 mm (4.2 inches)87%moderate

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