September Weather in Farmington Hills, United States

Last updated: June 24, 2025

The average temperature in Farmington Hills, United States during September is a pleasant 18°C (65°F). However, be prepared for variations, as temperatures can dip as low as 2°C (36°F) and soar up to 33°C (92°F). On average, expect 68 mm (2.7 in) of precipitation spread over about 10 days, all while enjoying a humidity level of around 80%.

September Temperature in Farmington Hills

In September, in Farmington Hills, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 2°C (36°F). This temperature range makes Farmington Hills an ideal destination for travelers seeking both warm days and cool nights.

September Weather in Farmington Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Farmington Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farmington Hills, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737465970747265543932
Data source: Temperature data for Farmington Hills 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 Farmington Hills

In Farmington Hills in September, the precipitation amount is 68 mm (2.7 in) over a span of 10 days.

September Precipitation Trends in Farmington Hills

The chart displays monthly precipitation patterns in Farmington Hills, 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 Farmington Hills, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec63677090113979079681037454
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Farmington Hills

In Farmington Hills in September, humidity is 80%. With an average temperature of 18°C (65°F), this humidity feels like wandering through a warm, damp blanket, making every step slightly heavy and resulting in a constant sheen of sweat, which can be both refreshing and exhausting for travelers.

September Average Humidity in Farmington Hills

This chart illustrates the average monthly humidity levels in Farmington Hills, 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 Farmington Hills is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Farmington Hills

In Farmington Hills 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 Farmington Hills.

Maximum UV Index Levels in Farmington Hills for September

The chart shows the monthly maximum UV Index (UVI) for Farmington Hills 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 Farmington Hills typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101097542
Data source: Farmington Hills 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 Farmington Hills Compares to Other Months

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

This table compares monthly weather conditions in Farmington Hills, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)63 mm (2.5 inches)88%low
February Weather-3°C (28°F)67 mm (2.6 inches)87%moderate
March Weather3°C (37°F)70 mm (2.8 inches)85%moderate
April Weather8°C (47°F)90 mm (3.6 inches)86%very high
May Weather15°C (60°F)113 mm (4.4 inches)80%very high
June Weather21°C (70°F)97 mm (3.8 inches)80%very high
July Weather24°C (75°F)90 mm (3.5 inches)80%very high
August Weather22°C (72°F)79 mm (3.1 inches)80%very high
September Weather18°C (65°F)68 mm (2.7 inches)80%high
October Weather12°C (54°F)103 mm (4.1 inches)84%moderate
November Weather4°C (39°F)74 mm (2.9 inches)89%moderate
December Weather0°C (32°F)53 mm (2.1 inches)86%low

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