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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 26°C (78°F), offering a pleasant climate for visitors. However, expect a wide range in temperatures, with lows dipping to 11°C (51°F) and highs soaring up to 38°C (100°F). Despite this warmth, prepare for some rain, as the area experiences approximately 102 mm (4.0 in) of precipitation over 9 days. Humidity levels are typically around 74%, adding to the tropical feel of the region.

September Temperature in Morton

In September in Morton, the average temperature is 26°C (78°F). Maximum can reach 38°C (100°F) and minimum can be as low as 11°C (51°F). Travelers should be prepared for warm days and cooler evenings while enjoying the diverse climate.

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 26°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec485461647379818178695552
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 total precipitation amount is 102 mm (4.0 in) over a span of 9 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 102 mm (4.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091481311661371611171371029972121
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 74%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that can make traveling feel slightly stifling; it’s important to stay hydrated and take breaks in shaded areas to fully enjoy your adventures.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec478111112111110864
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 Weather9°C (49°F)109 mm (4.3 inches)85%moderate
February Weather12°C (54°F)148 mm (5.8 inches)84%high
March Weather16°C (61°F)131 mm (5.2 inches)82%very high
April Weather18°C (65°F)166 mm (6.5 inches)82%extreme
May Weather23°C (74°F)137 mm (5.4 inches)82%extreme
June Weather26°C (79°F)161 mm (6.3 inches)79%extreme
July Weather27°C (81°F)117 mm (4.6 inches)82%extreme
August Weather27°C (81°F)137 mm (5.4 inches)77%extreme
September Weather26°C (78°F)102 mm (4.0 inches)74%very high
October Weather20°C (69°F)99 mm (3.9 inches)73%very high
November Weather13°C (55°F)72 mm (2.8 inches)85%high
December Weather11°C (52°F)121 mm (4.8 inches)88%moderate

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