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September Weather in Covelo, United States

Last updated: June 24, 2025

In Covelo, United States, September, the average temperature hovers around 19°C (67°F), making it a pleasantly mild time of year. However, temperatures can vary significantly, with a minimum of 1°C (34°F) and soaring up to a maximum of 39°C (102°F). This month also sees precipitation of about 13 mm (0.5 in) spread over 2 days, contributing to an average humidity level of 68%.

September Temperature in Covelo

In September in Covelo, the average temperature is 19°C (67°F), with maximums reaching as high as 39°C (102°F) and minimums plummeting to 1°C (34°F). Travelers should be prepared for a wide range of temperatures, making layered clothing essential for comfort during their visit.

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

The chart illustrates September temperature patterns in Covelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Covelo, September typically has an average temperature of 19°C (67°F), with highs reaching up to 39°C (102°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec424345515766747366574842
Data source: Temperature data for Covelo 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 Covelo

In Covelo in September, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

September Precipitation Trends in Covelo

The chart displays monthly precipitation patterns in Covelo, 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 Covelo, September typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec20019015289658131356115136
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Covelo

In Covelo in September, humidity is 68%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket, making travel pleasant yet slightly muggy, which can be refreshing while exploring but may require occasional breaks to stay comfortable.

September Average Humidity in Covelo

This chart illustrates the average monthly humidity levels in Covelo, 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 Covelo is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Covelo

In Covelo 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 Covelo.

Maximum UV Index Levels in Covelo for September

The chart shows the monthly maximum UV Index (UVI) for Covelo 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 Covelo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578111111119743
Data source: Covelo 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 Covelo Compares to Other Months

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

This table compares monthly weather conditions in Covelo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)200 mm (7.9 inches)86%moderate
February Weather6°C (43°F)190 mm (7.5 inches)84%moderate
March Weather7°C (45°F)152 mm (6.0 inches)83%high
April Weather11°C (51°F)89 mm (3.5 inches)80%very high
May Weather14°C (57°F)65 mm (2.6 inches)80%extreme
June Weather19°C (67°F)8 mm (0.3 inches)76%extreme
July Weather23°C (74°F)1 mm (0.0 inches)70%extreme
August Weather23°C (73°F)3 mm (0.1 inches)66%extreme
September Weather19°C (67°F)13 mm (0.5 inches)68%very high
October Weather14°C (58°F)56 mm (2.2 inches)72%high
November Weather9°C (48°F)115 mm (4.5 inches)84%moderate
December Weather5°C (42°F)136 mm (5.4 inches)84%moderate

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