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September Weather in Hamersville, United States

Last updated: June 24, 2025

In Hamersville, United States, the average temperature in September hovers around 21°C (70°F). Expect a comfortable range, with minimums dipping to 7°C (44°F) and maximums soaring up to 35°C (95°F). During this month, you'll encounter about 101 mm (4.0 in) of rain over 8 days, accompanied by an average humidity of 73%.

September Temperature in Hamersville

In September, in Hamersville, the average temperature is 21°C (70°F). Maximums can reach 35°C (95°F) and minimums can be as low as 7°C (44°F). It's an ideal time to visit for those who enjoy mild weather but be prepared for both warm and cool conditions.

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

The chart illustrates September temperature patterns in Hamersville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamersville, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec333745546673777570594439
Data source: Temperature data for Hamersville 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 Hamersville

In Hamersville in September, the precipitation amount is 101 mm (4.0 in) spread over 8 days.

September Precipitation Trends in Hamersville

The chart displays monthly precipitation patterns in Hamersville, 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 Hamersville, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec8712213914113715011184101103100122
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hamersville

In Hamersville in September, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

September Average Humidity in Hamersville

This chart illustrates the average monthly humidity levels in Hamersville, 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 Hamersville is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hamersville

In Hamersville 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 Hamersville.

Maximum UV Index Levels in Hamersville for September

The chart shows the monthly maximum UV Index (UVI) for Hamersville 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 Hamersville typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Hamersville 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 Hamersville Compares to Other Months

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

This table compares monthly weather conditions in Hamersville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)87 mm (3.4 inches)88%moderate
February Weather3°C (38°F)122 mm (4.8 inches)88%moderate
March Weather7°C (46°F)139 mm (5.5 inches)87%high
April Weather12°C (55°F)141 mm (5.5 inches)85%very high
May Weather19°C (66°F)136 mm (5.4 inches)81%very high
June Weather23°C (73°F)150 mm (5.9 inches)82%very high
July Weather25°C (77°F)111 mm (4.4 inches)81%very high
August Weather24°C (75°F)84 mm (3.3 inches)73%very high
September Weather21°C (70°F)101 mm (4.0 inches)73%very high
October Weather15°C (59°F)103 mm (4.0 inches)78%high
November Weather7°C (44°F)100 mm (3.9 inches)89%moderate
December Weather4°C (39°F)122 mm (4.8 inches)87%moderate

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