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September Weather in Dewey-Humboldt, United States

Last updated: June 24, 2025

In September, the average temperature in Dewey-Humboldt, United States hovers around 22°C (72°F), offering a pleasant climate. However, be prepared for temperature fluctuations, with minimums dipping to 5°C (41°F) and maximums soaring to 38°C (100°F). During this month, expect about 47 mm (1.8 in) of precipitation spread over 7 days, contributing to an average humidity level of 59%. Enjoy the subtle variations of this vibrant locale!

September Temperature in Dewey-Humboldt

In September in Dewey-Humboldt, the average temperature is 22°C (72°F). Maximums can reach 38°C (100°F) and minimums can be as low as 5°C (41°F). This variation makes it essential for travelers to pack both lightweight clothing for the warm days and warmer layers for the cooler evenings.

September Weather in Dewey-Humboldt: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Dewey-Humboldt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dewey-Humboldt, September typically has an average temperature of 22°C (72°F), with highs reaching up to 38°C (100°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec414248586577787772605142
Data source: Temperature data for Dewey-Humboldt 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 Dewey-Humboldt

In Dewey-Humboldt in September, the precipitation amount is 47 mm (1.8 in) during a span of 7 days.

September Precipitation Trends in Dewey-Humboldt

The chart displays monthly precipitation patterns in Dewey-Humboldt, 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 Dewey-Humboldt, September typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec454957111861318047333135
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dewey-Humboldt

In Dewey-Humboldt in September humidity is 59%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making it a pleasant time for outdoor adventures and sightseeing, though occasional breezes can refresh your experience.

September Average Humidity in Dewey-Humboldt

This chart illustrates the average monthly humidity levels in Dewey-Humboldt, 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 Dewey-Humboldt is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%72%63%46%35%33%41%59%70%79%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dewey-Humboldt

In Dewey-Humboldt in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Dewey-Humboldt.

Maximum UV Index Levels in Dewey-Humboldt for September

The chart shows the monthly maximum UV Index (UVI) for Dewey-Humboldt 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 Dewey-Humboldt typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111212121110864
Data source: Dewey-Humboldt 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 Dewey-Humboldt Compares to Other Months

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

This table compares monthly weather conditions in Dewey-Humboldt, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)45 mm (1.8 inches)80%moderate
February Weather6°C (43°F)49 mm (1.9 inches)83%high
March Weather9°C (49°F)57 mm (2.2 inches)72%very high
April Weather15°C (58°F)10 mm (0.4 inches)63%extreme
May Weather18°C (65°F)18 mm (0.7 inches)46%extreme
June Weather25°C (77°F)6 mm (0.2 inches)35%extreme
July Weather26°C (79°F)131 mm (5.2 inches)33%extreme
August Weather25°C (77°F)80 mm (3.1 inches)41%extreme
September Weather22°C (72°F)47 mm (1.8 inches)59%very high
October Weather15°C (60°F)33 mm (1.3 inches)70%very high
November Weather10°C (51°F)31 mm (1.2 inches)79%high
December Weather6°C (42°F)35 mm (1.4 inches)82%moderate

Compare Dewey-Humboldt's Climate with Cities Worldwide