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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 21°C (70°F). However, temperatures can vary dramatically, with a minimum of 5°C (42°F) and a scorching maximum of 35°C (95°F). Rainfall is moderate, with an average precipitation of 65 mm (2.6 in) over the course of 7 days, and the air tends to be quite humid, with an average humidity level of 80%.

September Temperature in Morton

In September in Morton, the average temperature is 21°C (70°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 5°C (42°F). This diverse range in temperatures makes it essential to pack for both warm days and cooler evenings during your travels.

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 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec273042516474777470564135
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 65 mm (2.6 in) over a span of 7 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 65 mm (2.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec646911511816413911490651236055
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 80%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can make even short walks feel draining, urging travelers to seek shade or a cool drink frequently.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357810111098642
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 Weather-3°C (27°F)64 mm (2.5 inches)82%moderate
February Weather-1°C (30°F)69 mm (2.7 inches)83%moderate
March Weather6°C (42°F)115 mm (4.5 inches)84%high
April Weather11°C (52°F)118 mm (4.7 inches)85%very high
May Weather18°C (65°F)164 mm (6.4 inches)79%very high
June Weather23°C (74°F)139 mm (5.5 inches)82%extreme
July Weather25°C (77°F)114 mm (4.5 inches)80%very high
August Weather23°C (75°F)90 mm (3.5 inches)81%very high
September Weather21°C (70°F)65 mm (2.6 inches)80%very high
October Weather13°C (57°F)123 mm (4.8 inches)82%high
November Weather5°C (41°F)60 mm (2.4 inches)88%moderate
December Weather1°C (35°F)55 mm (2.2 inches)84%low

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