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September Weather in Inwood, United States

Last updated: June 24, 2025

In September, the average temperature in Inwood, United States hovers around 21°C (70°F). However, you can expect a minimum temperature of 4°C (40°F) and occasional highs reaching 35°C (96°F). During this month, Inwood experiences about 108 mm (4.2 in) of precipitation over 9 days, with an average humidity level of 68%. Prepare for a mix of warmth and occasional rain!

September Temperature in Inwood

In September in Inwood, the average temperature is 21°C (70°F). The maximum can reach 35°C (96°F), and the minimum can be as low as 4°C (40°F). It's a great time to travel for those who enjoy warm weather with a chance to experience cooler evenings.

September Weather in Inwood: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Inwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Inwood, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (96°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec353945556573797670604539
Data source: Temperature data for Inwood 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 Inwood

In Inwood in September, the precipitation amount is 108 mm (4.2 in) spread over 9 days.

September Precipitation Trends in Inwood

The chart displays monthly precipitation patterns in Inwood, 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 Inwood, September typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec60908199140103102981081027990
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Inwood

In Inwood in September humidity is 68%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making the air feel slightly heavy and sticky, which can be quite exhausting for travelers.

September Average Humidity in Inwood

This chart illustrates the average monthly humidity levels in Inwood, 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 Inwood is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Inwood

In Inwood 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 Inwood.

Maximum UV Index Levels in Inwood for September

The chart shows the monthly maximum UV Index (UVI) for Inwood 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 Inwood typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Inwood 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 Inwood Compares to Other Months

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

This table compares monthly weather conditions in Inwood, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)59 mm (2.3 inches)86%moderate
February Weather4°C (39°F)90 mm (3.5 inches)86%moderate
March Weather7°C (45°F)81 mm (3.2 inches)86%high
April Weather13°C (55°F)99 mm (3.9 inches)84%very high
May Weather18°C (65°F)139 mm (5.5 inches)78%very high
June Weather23°C (74°F)103 mm (4.1 inches)79%very high
July Weather26°C (79°F)102 mm (4.0 inches)70%very high
August Weather25°C (77°F)98 mm (3.8 inches)59%very high
September Weather21°C (70°F)108 mm (4.2 inches)68%very high
October Weather16°C (60°F)102 mm (4.0 inches)80%high
November Weather7°C (45°F)79 mm (3.1 inches)86%moderate
December Weather4°C (39°F)90 mm (3.6 inches)85%moderate

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