September Weather in Derma, United States

Last updated: June 24, 2025

In Derma, United States, the average temperature in September hovers around 25°C (77°F), with a minimum of 11°C (52°F) and a maximum reaching up to 38°C (101°F). During this time, you can expect approximately 93 mm (3.7 in) of precipitation spread over 9 days, contributing to an average humidity of 74%.

September Temperature in Derma

In September in Derma, the average temperature is 25°C (77°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop as low as 11°C (52°F). Overall, it’s a great time to visit Derma for those who enjoy warm weather and mild evenings.

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

The chart illustrates September temperature patterns in Derma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Derma, September typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec465058637379828177675350
Data source: Temperature data for Derma 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 Derma

In Derma in September, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

September Precipitation Trends in Derma

The chart displays monthly precipitation patterns in Derma, 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 Derma, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec122178159154117127911249311972127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Derma

In Derma in September humidity is 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.

September Average Humidity in Derma

This chart illustrates the average monthly humidity levels in Derma, 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 Derma is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Derma

In Derma 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 Derma.

Maximum UV Index Levels in Derma for September

The chart shows the monthly maximum UV Index (UVI) for Derma 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 Derma typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119764
Data source: Derma 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 Derma Compares to Other Months

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

This table compares monthly weather conditions in Derma, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)122 mm (4.8 inches)85%moderate
February Weather10°C (51°F)178 mm (7.0 inches)84%high
March Weather15°C (58°F)159 mm (6.3 inches)82%very high
April Weather17°C (63°F)154 mm (6.0 inches)82%very high
May Weather23°C (73°F)117 mm (4.6 inches)82%extreme
June Weather26°C (79°F)127 mm (5.0 inches)79%extreme
July Weather28°C (82°F)91 mm (3.6 inches)82%extreme
August Weather27°C (81°F)124 mm (4.9 inches)77%extreme
September Weather25°C (77°F)93 mm (3.7 inches)74%very high
October Weather19°C (67°F)119 mm (4.7 inches)73%high
November Weather11°C (53°F)72 mm (2.8 inches)85%high
December Weather10°C (50°F)126 mm (5.0 inches)88%moderate

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