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September Weather in Dunnstown, United States

Last updated: June 24, 2025

In September, the average temperature in Dunnstown, United States hovers around 18°C (64°F), creating a pleasant climate. However, temperatures can vary significantly, with a minimum of 1°C (34°F) and a maximum reaching up to 32°C (90°F). Expect an average precipitation of 116 mm (4.6 in) over about 9 days, contributing to a moderate average humidity of 67%.

September Temperature in Dunnstown

In September in Dunnstown, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 32°C (90°F), while minimum temperatures can drop as low as 1°C (34°F). Be prepared for a wide range of weather conditions if you plan to travel during this time.

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

The chart illustrates September temperature patterns in Dunnstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dunnstown, September typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec273037485967727164543933
Data source: Temperature data for Dunnstown 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 Dunnstown

In Dunnstown in September, the precipitation amount is 116 mm (4.6 in) spread over 9 days.

September Precipitation Trends in Dunnstown

The chart displays monthly precipitation patterns in Dunnstown, 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 Dunnstown, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec72100861071361001391041161178691
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dunnstown

In Dunnstown in September humidity is 67%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel quite comfortable but slightly sticky, encouraging lightweight clothing and the occasional refreshing break in the shade.

September Average Humidity in Dunnstown

This chart illustrates the average monthly humidity levels in Dunnstown, 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 Dunnstown is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dunnstown

In Dunnstown 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 Dunnstown.

Maximum UV Index Levels in Dunnstown for September

The chart shows the monthly maximum UV Index (UVI) for Dunnstown 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 Dunnstown typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Dunnstown 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 Dunnstown Compares to Other Months

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

This table compares monthly weather conditions in Dunnstown, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)72 mm (2.8 inches)89%moderate
February Weather-1°C (30°F)100 mm (3.9 inches)90%moderate
March Weather3°C (37°F)86 mm (3.4 inches)89%high
April Weather9°C (48°F)107 mm (4.2 inches)88%very high
May Weather15°C (59°F)136 mm (5.3 inches)80%very high
June Weather20°C (67°F)100 mm (3.9 inches)79%very high
July Weather22°C (73°F)139 mm (5.5 inches)74%very high
August Weather22°C (71°F)104 mm (4.1 inches)64%very high
September Weather18°C (64°F)116 mm (4.6 inches)67%very high
October Weather12°C (54°F)117 mm (4.6 inches)81%high
November Weather4°C (39°F)86 mm (3.4 inches)89%moderate
December Weather0°C (33°F)90 mm (3.6 inches)88%low

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