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September Weather in Conneaut Lakeshore, United States

Last updated: June 24, 2025

The average temperature in Conneaut Lakeshore, United States for September is a pleasant 18°C (65°F). However, temperatures can fluctuate, with minima dropping to 4°C (39°F) and maxima soaring up to 32°C (89°F). Expect a precipitation total of 89 mm (3.5 in) spread over approximately 10 days, contributing to an average humidity of 77%.

September Temperature in Conneaut Lakeshore

In September in Conneaut Lakeshore, the average temperature is 18°C (65°F). Maximums can reach 32°C (89°F), while minimums can drop as low as 4°C (39°F). This wide temperature range makes Conneaut Lakeshore an ideal destination for travelers who enjoy both warm days and cooler evenings.

September Weather in Conneaut Lakeshore: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Conneaut Lakeshore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Conneaut Lakeshore, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (89°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec273037475967727065543933
Data source: Temperature data for Conneaut Lakeshore 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 Conneaut Lakeshore

In Conneaut Lakeshore in September, the precipitation amount is 89 mm (3.5 in) over a period of 10 days.

September Precipitation Trends in Conneaut Lakeshore

The chart displays monthly precipitation patterns in Conneaut Lakeshore, 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 Conneaut Lakeshore, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10210910913214114416111489131119114
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Conneaut Lakeshore

In Conneaut Lakeshore in September humidity is 77%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace that's both refreshing and slightly stifling, making it essential for travelers to stay hydrated and take frequent breaks to enjoy the vibrant surroundings without feeling overly fatigued.

September Average Humidity in Conneaut Lakeshore

This chart illustrates the average monthly humidity levels in Conneaut Lakeshore, 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 Conneaut Lakeshore is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Conneaut Lakeshore

In Conneaut Lakeshore 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 Conneaut Lakeshore.

Maximum UV Index Levels in Conneaut Lakeshore for September

The chart shows the monthly maximum UV Index (UVI) for Conneaut Lakeshore 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 Conneaut Lakeshore typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910101098642
Data source: Conneaut Lakeshore 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 Conneaut Lakeshore Compares to Other Months

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

This table compares monthly weather conditions in Conneaut Lakeshore, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)102 mm (4.0 inches)88%moderate
February Weather-1°C (30°F)109 mm (4.3 inches)88%moderate
March Weather3°C (37°F)108 mm (4.3 inches)87%high
April Weather8°C (47°F)132 mm (5.2 inches)87%very high
May Weather15°C (59°F)141 mm (5.6 inches)81%very high
June Weather20°C (68°F)144 mm (5.7 inches)83%very high
July Weather22°C (72°F)161 mm (6.4 inches)82%very high
August Weather21°C (70°F)114 mm (4.5 inches)76%very high
September Weather18°C (65°F)89 mm (3.5 inches)77%very high
October Weather12°C (55°F)130 mm (5.1 inches)82%high
November Weather4°C (40°F)118 mm (4.7 inches)89%moderate
December Weather1°C (33°F)114 mm (4.5 inches)86%low

Compare Conneaut Lakeshore's Climate with Cities Worldwide