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September Weather in New Harmony, United States

Last updated: June 24, 2025

In September, the average temperature in New Harmony, United States is a comfortable 23°C (73°F). Expect a minimum of 8°C (46°F) and a maximum of 34°C (93°F). The month brings about 71 mm (2.8 in) of precipitation across 7 days, contributing to an average humidity of 79%. Stay prepared for a blend of warmth and occasional showers!

September Temperature in New Harmony

In September in New Harmony, the average temperature is 23°C (73°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 8°C (46°F). This varied climate makes New Harmony an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates September temperature patterns in New Harmony, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Harmony, September typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec343848566877807773614540
Data source: Temperature data for New Harmony 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 Harmony

In New Harmony in September, the precipitation amount is 71 mm (2.8 in) over a span of 7 days.

September Precipitation Trends in New Harmony

The chart displays monthly precipitation patterns in New Harmony, 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 Harmony, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec951121401171311167683711049495
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Harmony

In New Harmony in September humidity is 79%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that clings to the skin, making travel feel both invigorating and slightly exhausting as the air wraps around you like a damp blanket.

September Average Humidity in New Harmony

This chart illustrates the average monthly humidity levels in New Harmony, 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 Harmony is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Harmony

In New Harmony 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 New Harmony.

Maximum UV Index Levels in New Harmony for September

The chart shows the monthly maximum UV Index (UVI) for New Harmony 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 Harmony typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111099743
Data source: New Harmony 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 Harmony Compares to Other Months

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

This table compares monthly weather conditions in New Harmony, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)95 mm (3.7 inches)84%moderate
February Weather3°C (38°F)111 mm (4.4 inches)82%moderate
March Weather9°C (48°F)140 mm (5.5 inches)84%high
April Weather13°C (57°F)117 mm (4.6 inches)83%very high
May Weather20°C (69°F)131 mm (5.1 inches)80%very high
June Weather25°C (77°F)116 mm (4.6 inches)83%extreme
July Weather27°C (80°F)76 mm (3.0 inches)82%very high
August Weather25°C (77°F)83 mm (3.3 inches)82%very high
September Weather23°C (73°F)71 mm (2.8 inches)79%very high
October Weather16°C (61°F)104 mm (4.1 inches)79%high
November Weather7°C (45°F)94 mm (3.7 inches)88%moderate
December Weather5°C (41°F)95 mm (3.7 inches)87%moderate

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