September Weather in East Nassau, United States

Last updated: June 24, 2025

In East Nassau, United States, the average temperature in September is a comfortable 18°C (64°F). However, temperatures can vary significantly, dipping as low as 0°C (33°F) and peaking at a warm 32°C (89°F). Expect a total precipitation of 103 mm (4.0 in) spread over 9 days, alongside an average humidity level of 72%.

September Temperature in East Nassau

In September in East Nassau, the average temperature is 18°C (64°F). Maximum temperatures can reach 32°C (89°F), while minimums can dip as low as 0°C (33°F). Be prepared for a range of temperatures to make the most of your travel experience.

September Weather in East Nassau: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in East Nassau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Nassau, September typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (89°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec262935465867737164533931
Data source: Temperature data for East Nassau 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 East Nassau

In East Nassau in September, the precipitation amount is 103 mm (4.0 in) over the course of 9 days.

September Precipitation Trends in East Nassau

The chart displays monthly precipitation patterns in East Nassau, 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 East Nassau, September typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7694831251038312397103143101102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in East Nassau

In East Nassau in September, humidity is 72%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as the air clings to your skin, leaving you longing for a refreshing breeze.

September Average Humidity in East Nassau

This chart illustrates the average monthly humidity levels in East Nassau, 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 East Nassau is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in East Nassau

In East Nassau 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 East Nassau.

Maximum UV Index Levels in East Nassau for September

The chart shows the monthly maximum UV Index (UVI) for East Nassau 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 East Nassau typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35681010997642
Data source: East Nassau 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 East Nassau Compares to Other Months

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

This table compares monthly weather conditions in East Nassau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)76 mm (3.0 inches)89%moderate
February Weather-2°C (29°F)94 mm (3.7 inches)88%moderate
March Weather1°C (35°F)83 mm (3.3 inches)86%high
April Weather8°C (47°F)125 mm (4.9 inches)84%very high
May Weather14°C (58°F)103 mm (4.1 inches)76%very high
June Weather19°C (67°F)83 mm (3.3 inches)72%very high
July Weather23°C (73°F)123 mm (4.8 inches)66%very high
August Weather22°C (71°F)97 mm (3.8 inches)64%very high
September Weather18°C (64°F)103 mm (4.0 inches)72%high
October Weather12°C (53°F)143 mm (5.6 inches)81%high
November Weather4°C (39°F)100 mm (4.0 inches)87%moderate
December Weather-1°C (31°F)102 mm (4.0 inches)84%low

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