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September Weather in Fort Morgan, United States

Last updated: June 24, 2025

In September, the average temperature in Fort Morgan, United States hovers around 21°C (69°F). Expect a range of temperatures, with a minimum of 1°C (34°F) and soaring up to a maximum of 39°C (102°F). During this month, the area receives an average precipitation of 24 mm (1.0 in) spread over 4 days, accompanied by an average humidity level of 75%.

September Temperature in Fort Morgan

In September in Fort Morgan, the average temperature is 21°C (69°F), with maximums reaching as high as 39°C (102°F) and minimums dropping to 1°C (34°F). It's advisable to pack layers and stay hydrated while enjoying a diverse range of outdoor activities.

September Weather in Fort Morgan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fort Morgan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Morgan, September typically has an average temperature of 21°C (69°F), with highs reaching up to 39°C (102°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec333244516073787569514235
Data source: Temperature data for Fort Morgan 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 Fort Morgan

In Fort Morgan in September, the precipitation amount is 24 mm (1.0 in) over the course of 4 days.

September Precipitation Trends in Fort Morgan

The chart displays monthly precipitation patterns in Fort Morgan, 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 Fort Morgan, September typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec11135345944032312424159
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fort Morgan

In Fort Morgan in September, humidity is 75%. With an average temperature of 21°C (69°F), this humidity feels like a warm, sticky embrace that can make even a short walk feel exhausting for travelers, often leading to a longing for refreshing breezes or air-conditioned retreats.

September Average Humidity in Fort Morgan

This chart illustrates the average monthly humidity levels in Fort Morgan, 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 Fort Morgan is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%62%60%74%82%82%84%75%73%74%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fort Morgan

In Fort Morgan 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 Fort Morgan.

Maximum UV Index Levels in Fort Morgan for September

The chart shows the monthly maximum UV Index (UVI) for Fort Morgan 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 Fort Morgan typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45710101111109643
Data source: Fort Morgan 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 Fort Morgan Compares to Other Months

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

This table compares monthly weather conditions in Fort Morgan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)11 mm (0.4 inches)72%moderate
February Weather0°C (33°F)13 mm (0.5 inches)76%moderate
March Weather7°C (44°F)53 mm (2.1 inches)61%high
April Weather10°C (51°F)45 mm (1.8 inches)60%very high
May Weather15°C (60°F)94 mm (3.7 inches)74%very high
June Weather23°C (73°F)40 mm (1.6 inches)82%extreme
July Weather25°C (78°F)32 mm (1.3 inches)82%extreme
August Weather24°C (75°F)31 mm (1.2 inches)84%very high
September Weather21°C (69°F)24 mm (1.0 inches)75%very high
October Weather10°C (51°F)24 mm (0.9 inches)73%high
November Weather6°C (43°F)15 mm (0.6 inches)74%moderate
December Weather1°C (35°F)9 mm (0.3 inches)77%moderate

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