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September Weather in Dermott, United States

Last updated: June 24, 2025

In September, the average temperature in Dermott, United States hovers around 25°C (78°F). However, be prepared for a range, as the temperature can dip to a cool 12°C (54°F) or soar up to a sweltering 37°C (98°F). During this month, expect 85 mm (3.4 in) of precipitation spread over about 7 days, with humidity averaging at a comfortable 73%.

September Temperature in Dermott

In September in Dermott, the average temperature is 25°C (78°F). Maximums can reach 37°C (98°F) and minimums can be as low as 12°C (54°F). This range makes it a perfect time to explore and enjoy outdoor activities in Dermott.

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

The chart illustrates September temperature patterns in Dermott, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dermott, September typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (98°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec465059647380828178675450
Data source: Temperature data for Dermott 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 Dermott

In Dermott in September, the precipitation amount is 85 mm (3.4 in) over the course of 7 days.

September Precipitation Trends in Dermott

The chart displays monthly precipitation patterns in Dermott, 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 Dermott, September typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1121971731591451251011048514477129
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dermott

In Dermott in September, humidity is 73%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, heavy blanket that wraps around you, making travel feel sluggish and requiring regular breaks to stay refreshed.

September Average Humidity in Dermott

This chart illustrates the average monthly humidity levels in Dermott, 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 Dermott is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%80%82%83%80%80%75%73%76%84%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dermott

In Dermott 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 Dermott.

Maximum UV Index Levels in Dermott for September

The chart shows the monthly maximum UV Index (UVI) for Dermott 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 Dermott typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111211119764
Data source: Dermott 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 Dermott Compares to Other Months

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

This table compares monthly weather conditions in Dermott, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)112 mm (4.4 inches)84%moderate
February Weather10°C (50°F)197 mm (7.8 inches)83%high
March Weather15°C (59°F)173 mm (6.8 inches)80%very high
April Weather18°C (64°F)159 mm (6.3 inches)82%very high
May Weather23°C (74°F)145 mm (5.7 inches)83%extreme
June Weather26°C (80°F)125 mm (4.9 inches)80%extreme
July Weather28°C (83°F)101 mm (4.0 inches)80%extreme
August Weather27°C (82°F)104 mm (4.1 inches)75%extreme
September Weather25°C (78°F)85 mm (3.4 inches)73%very high
October Weather19°C (67°F)144 mm (5.7 inches)76%high
November Weather12°C (54°F)77 mm (3.0 inches)84%high
December Weather10°C (51°F)129 mm (5.1 inches)88%moderate

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