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September Weather in Copan, United States

Last updated: June 24, 2025

In September, the average temperature in Copan, United States hovers around 24°C (75°F). Expect a chilly minimum of 6°C (43°F), while temperatures can soar to a sweltering 35°C (96°F). While enjoying the warm weather, be prepared for 78 mm (3.1 in) of precipitation over about 7 days, contributing to an average humidity of 67%.

September Temperature in Copan

In September in Copan, the average temperature is 24°C (75°F). The maximum can reach 35°C (96°F), while the minimum can drop to as low as 6°C (43°F). This variation makes Copan an ideal destination for travelers looking to enjoy both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Copan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Copan, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec363851586879827975604842
Data source: Temperature data for Copan 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 Copan

In Copan in September, the total precipitation amount is 78 mm (3.1 in) over a duration of 7 days.

September Precipitation Trends in Copan

The chart displays monthly precipitation patterns in Copan, 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 Copan, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6054108101224968798781363932
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Copan

In Copan in September humidity is 67%. With an average temperature of 24°C (75°F), this humidity feels like a warm and sticky embrace, making traveling a bit uncomfortable as you find yourself seeking shade and refreshing drinks more often.

September Average Humidity in Copan

This chart illustrates the average monthly humidity levels in Copan, 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 Copan is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%71%74%83%83%81%73%67%72%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Copan

In Copan 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 Copan.

Maximum UV Index Levels in Copan for September

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

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

This table compares monthly weather conditions in Copan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)60 mm (2.4 inches)77%moderate
February Weather3°C (38°F)54 mm (2.1 inches)76%high
March Weather11°C (51°F)108 mm (4.2 inches)71%high
April Weather14°C (58°F)101 mm (4.0 inches)73%very high
May Weather20°C (68°F)224 mm (8.8 inches)83%very high
June Weather26°C (79°F)96 mm (3.8 inches)83%extreme
July Weather28°C (82°F)86 mm (3.4 inches)81%extreme
August Weather26°C (80°F)98 mm (3.9 inches)73%very high
September Weather24°C (75°F)78 mm (3.1 inches)67%very high
October Weather16°C (61°F)136 mm (5.3 inches)72%high
November Weather9°C (48°F)39 mm (1.6 inches)82%moderate
December Weather5°C (42°F)32 mm (1.3 inches)85%moderate

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