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September Weather in Cotter, United States

Last updated: June 24, 2025

In September, the average temperature in Cotter, United States hovers around 24°C (75°F), creating a pleasant atmosphere for outdoor activities. Expect temperatures to range from a cool 9°C (48°F) to a warm 35°C (95°F). With an average humidity level of 64%, the air feels fairly comfortable. However, be prepared for some rain, as the area receives about 58 mm (2.3 in) of precipitation over 7 days.

September Temperature in Cotter

In September in Cotter, the average temperature is 24°C (75°F), with maximums reaching 35°C (95°F) and minimums dropping to 9°C (48°F). This diverse temperature range makes it advisable for travelers to pack both light clothing for the warm days and warmer layers for the cooler evenings.

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

The chart illustrates September temperature patterns in Cotter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cotter, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec384152586877817874614944
Data source: Temperature data for Cotter 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 Cotter

In Cotter in September, the precipitation amount is 58 mm (2.3 in) over the course of 7 days.

September Precipitation Trends in Cotter

The chart displays monthly precipitation patterns in Cotter, 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 Cotter, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec771071361371678367104581007383
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cotter

In Cotter in September humidity is 64%. With average temperature 24°C (75°F), this humidity feels like a warm blanket enveloping you, making outdoor exploration both refreshing and a little sticky, perfect for leisurely strolls and shaded cafes but with a need for frequent water breaks.

September Average Humidity in Cotter

This chart illustrates the average monthly humidity levels in Cotter, 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 Cotter is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cotter

In Cotter in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Cotter.

Maximum UV Index Levels in Cotter for September

The chart shows the monthly maximum UV Index (UVI) for Cotter 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 Cotter typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Cotter 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 Cotter Compares to Other Months

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

This table compares monthly weather conditions in Cotter, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (39°F)77 mm (3.0 inches)81%moderate
February Weather5°C (41°F)107 mm (4.2 inches)78%high
March Weather11°C (52°F)136 mm (5.4 inches)76%high
April Weather14°C (58°F)137 mm (5.4 inches)78%very high
May Weather20°C (68°F)167 mm (6.6 inches)83%very high
June Weather25°C (77°F)82 mm (3.2 inches)83%extreme
July Weather27°C (81°F)67 mm (2.7 inches)78%extreme
August Weather26°C (79°F)104 mm (4.1 inches)68%very high
September Weather24°C (75°F)58 mm (2.3 inches)64%very high
October Weather16°C (62°F)100 mm (3.9 inches)70%high
November Weather9°C (49°F)72 mm (2.9 inches)83%moderate
December Weather7°C (44°F)83 mm (3.3 inches)87%moderate

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