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September Weather in Farmingdale, United States

Last updated: June 24, 2025

In September, the average temperature in Farmingdale, United States is a pleasant 21°C (71°F). During this month, you can expect temperatures to dip as low as 8°C (46°F) and soar up to 34°C (93°F). With an average precipitation of 94 mm (3.7 in) spread over about 10 days, it's wise to carry an umbrella. The average humidity hovers at 68%, adding to the overall feel of the month.

September Temperature in Farmingdale

In September in Farmingdale, the average temperature is 21°C (71°F). Maximums can reach 34°C (93°F) and minimums can be as low as 8°C (46°F). This range makes it a perfect time for traveling, offering warm days and cooler nights for enjoyable outdoor activities.

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

The chart illustrates September temperature patterns in Farmingdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farmingdale, September typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec363843536372787670614740
Data source: Temperature data for Farmingdale 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 Farmingdale

In Farmingdale in September, the precipitation amount is 94 mm (3.7 in) over a duration of 10 days.

September Precipitation Trends in Farmingdale

The chart displays monthly precipitation patterns in Farmingdale, 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 Farmingdale, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec67110104111123931401339413989105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Farmingdale

In Farmingdale in September, humidity is 68%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making traveling a bit sticky but also inviting for leisurely strolls and outdoor adventures.

September Average Humidity in Farmingdale

This chart illustrates the average monthly humidity levels in Farmingdale, 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 Farmingdale is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Farmingdale

In Farmingdale 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 Farmingdale.

Maximum UV Index Levels in Farmingdale for September

The chart shows the monthly maximum UV Index (UVI) for Farmingdale 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 Farmingdale typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Farmingdale 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 Farmingdale Compares to Other Months

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

This table compares monthly weather conditions in Farmingdale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)67 mm (2.6 inches)84%moderate
February Weather4°C (39°F)110 mm (4.3 inches)82%moderate
March Weather6°C (44°F)104 mm (4.1 inches)81%high
April Weather12°C (53°F)111 mm (4.4 inches)78%very high
May Weather17°C (63°F)123 mm (4.9 inches)69%very high
June Weather22°C (73°F)93 mm (3.7 inches)69%very high
July Weather26°C (79°F)140 mm (5.5 inches)62%very high
August Weather25°C (77°F)133 mm (5.2 inches)65%very high
September Weather21°C (71°F)94 mm (3.7 inches)68%very high
October Weather16°C (61°F)139 mm (5.5 inches)74%high
November Weather8°C (48°F)88 mm (3.5 inches)82%moderate
December Weather4°C (40°F)105 mm (4.1 inches)80%low

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