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September Weather in Hannawa Falls, United States

Last updated: June 24, 2025

In September, the average temperature in Hannawa Falls, United States hovers around 16°C (61°F). Expect a range of temperatures with a chilly minimum of -2°C (28°F) and a warm maximum of 32°C (89°F). During the month, precipitation accumulates to about 80 mm (3.1 in) over 10 days, contributing to an average humidity level of 72%.

September Temperature in Hannawa Falls

In September, in Hannawa Falls, the average temperature is 16°C (61°F). The maximum can reach 32°C (89°F), while the minimum can be as low as -2°C (28°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

September Weather in Hannawa Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hannawa Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hannawa Falls, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (89°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec202330435665706861503425
Data source: Temperature data for Hannawa Falls 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 Hannawa Falls

In Hannawa Falls in September, the total precipitation amount is 80 mm (3.1 in) over a period of 10 days.

September Precipitation Trends in Hannawa Falls

The chart displays monthly precipitation patterns in Hannawa Falls, 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 Hannawa Falls, September typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9893991301181161291138016112699
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hannawa Falls

In Hannawa Falls in September humidity is 72%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making every step feel heavier and requiring extra effort while traveling.

September Average Humidity in Hannawa Falls

This chart illustrates the average monthly humidity levels in Hannawa Falls, 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 Hannawa Falls is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hannawa Falls

In Hannawa Falls 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 Hannawa Falls.

Maximum UV Index Levels in Hannawa Falls for September

The chart shows the monthly maximum UV Index (UVI) for Hannawa Falls 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 Hannawa Falls typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246899997532
Data source: Hannawa Falls 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 Hannawa Falls Compares to Other Months

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

This table compares monthly weather conditions in Hannawa Falls, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)98 mm (3.8 inches)93%low
February Weather-5°C (23°F)93 mm (3.7 inches)93%moderate
March Weather-1°C (30°F)99 mm (3.9 inches)86%high
April Weather6°C (43°F)130 mm (5.1 inches)82%very high
May Weather13°C (56°F)118 mm (4.7 inches)75%very high
June Weather18°C (65°F)116 mm (4.6 inches)68%very high
July Weather21°C (70°F)129 mm (5.1 inches)69%very high
August Weather20°C (68°F)113 mm (4.5 inches)67%very high
September Weather16°C (61°F)80 mm (3.1 inches)72%high
October Weather10°C (50°F)161 mm (6.3 inches)83%moderate
November Weather1°C (35°F)126 mm (4.9 inches)88%moderate
December Weather-4°C (26°F)98 mm (3.9 inches)89%low

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