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September Weather in Imlay City, United States

Last updated: June 24, 2025

In Imlay City, United States during September, the average temperature hovers around 18°C (64°F), with fluctuations ranging from a crisp 1°C (34°F) to a warm 34°C (93°F). Expect about 82 mm (3.2 in) of precipitation spread over 10 days, contributing to a generally humid atmosphere with an average humidity of 80%. Stay prepared for a mix of weather!

September Temperature in Imlay City

In September in Imlay City, the average temperature is 18°C (64°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 1°C (34°F). This variation in temperatures makes it essential to pack a variety of clothing options for your trip.

September Weather in Imlay City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Imlay City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Imlay City, September typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec252735455868737164533831
Data source: Temperature data for Imlay City 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 Imlay City

In Imlay City in September, the total precipitation amount is 82 mm (3.2 in) observed over a span of 10 days.

September Precipitation Trends in Imlay City

The chart displays monthly precipitation patterns in Imlay City, 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 Imlay City, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec616766961061048993821086952
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Imlay City

In Imlay City in September humidity is 80%. With an average temperature of 18°C (64°F), this humidity feels like a warm, damp blanket wrapping around you, making travel a bit more exhausting as the air thickens and the heat clings to your skin.

September Average Humidity in Imlay City

This chart illustrates the average monthly humidity levels in Imlay City, 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 Imlay City 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 Imlay City

In Imlay City 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 Imlay City.

Maximum UV Index Levels in Imlay City for September

The chart shows the monthly maximum UV Index (UVI) for Imlay City 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 Imlay City typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Imlay City 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 Imlay City Compares to Other Months

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

This table compares monthly weather conditions in Imlay City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)61 mm (2.4 inches)88%low
February Weather-3°C (27°F)67 mm (2.6 inches)87%moderate
March Weather2°C (35°F)66 mm (2.6 inches)85%moderate
April Weather7°C (46°F)96 mm (3.8 inches)86%very high
May Weather15°C (58°F)106 mm (4.2 inches)80%very high
June Weather20°C (69°F)104 mm (4.1 inches)80%very high
July Weather23°C (73°F)89 mm (3.5 inches)80%very high
August Weather22°C (71°F)93 mm (3.6 inches)80%very high
September Weather18°C (64°F)82 mm (3.2 inches)80%high
October Weather12°C (53°F)108 mm (4.2 inches)84%moderate
November Weather3°C (38°F)68 mm (2.7 inches)89%moderate
December Weather0°C (32°F)52 mm (2.0 inches)86%low

Compare Imlay City's Climate with Cities Worldwide