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September Weather in Morton, United States

Last updated: June 24, 2025

In September, the average temperature in Morton, United States hovers around 23°C (73°F). Expect a comfortable range, with minimums dipping to 3°C (38°F) and soaring to a scorching 38°C (101°F). Rainfall is moderate, with about 46 mm (1.8 in) spread over 6 days, while average humidity rests at a comfortable 71%.

September Temperature in Morton

In September in Morton, the average temperature is 23°C (73°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop as low as 3°C (38°F). This makes Morton an ideal destination for travelers seeking warm weather with a chance to experience cooler evenings, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Morton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morton, September typically has an average temperature of 23°C (73°F), with highs reaching up to 38°C (101°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec414454617179817973605144
Data source: Temperature data for Morton 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 Morton

In Morton in September, the precipitation amount is 46 mm (1.8 in) over a span of 6 days.

September Precipitation Trends in Morton

The chart displays monthly precipitation patterns in Morton, 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 Morton, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec161032214147313846561513
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Morton

In Morton in September humidity is 71%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor exploration slightly uncomfortable but still manageable if you stay hydrated and plan for breaks in shaded areas.

September Average Humidity in Morton

This chart illustrates the average monthly humidity levels in Morton, 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 Morton is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%61%61%67%69%69%66%71%71%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Morton

In Morton 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 Morton.

Maximum UV Index Levels in Morton for September

The chart shows the monthly maximum UV Index (UVI) for Morton 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 Morton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121210864
Data source: Morton 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 Morton Compares to Other Months

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

This table compares monthly weather conditions in Morton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)16 mm (0.6 inches)75%moderate
February Weather7°C (45°F)10 mm (0.4 inches)74%high
March Weather12°C (54°F)32 mm (1.3 inches)61%very high
April Weather16°C (61°F)21 mm (0.8 inches)61%extreme
May Weather21°C (71°F)41 mm (1.6 inches)67%extreme
June Weather26°C (79°F)47 mm (1.9 inches)69%extreme
July Weather27°C (81°F)31 mm (1.2 inches)69%extreme
August Weather26°C (79°F)38 mm (1.5 inches)66%extreme
September Weather23°C (73°F)46 mm (1.8 inches)71%very high
October Weather16°C (61°F)56 mm (2.2 inches)71%very high
November Weather10°C (51°F)15 mm (0.6 inches)82%high
December Weather7°C (44°F)13 mm (0.5 inches)80%moderate

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