nomadseason

September Weather in Morris, United States

Last updated: June 24, 2025

In September, the average temperature in Morris, United States hovers around 25°C (77°F). You can expect temperatures to range from a cool 10°C (49°F) to a sweltering 37°C (99°F). During this period, precipitation averages 100 mm (3.9 in), spread over about 7 days, contributing to an average humidity level of 64%. Enjoy the mix of sun and occasional rain!

September Temperature in Morris

In September in Morris, the average temperature is 25°C (77°F). Maximums can reach 37°C (99°F) and minimums can be as low as 10°C (49°F). This makes it a perfect time to enjoy a mix of warm days and cooler evenings, ideal for exploring the area comfortably.

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

The chart illustrates September temperature patterns in Morris, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morris, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec414355607079838177635246
Data source: Temperature data for Morris generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Morris

In Morris in September, the precipitation amount is 100 mm (3.9 in) over a span of 7 days.

September Precipitation Trends in Morris

The chart displays monthly precipitation patterns in Morris, 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 Morris, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec818410715019879801001001365566
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Morris

In Morris in September, humidity is 64%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor excursions feel a bit heavier, yet still inviting for travelers seeking a vibrant atmosphere.

September Average Humidity in Morris

This chart illustrates the average monthly humidity levels in Morris, 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 Morris is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Morris

In Morris 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 Morris.

Maximum UV Index Levels in Morris for September

The chart shows the monthly maximum UV Index (UVI) for Morris 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 Morris typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109753
Data source: Morris 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 Morris Compares to Other Months

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

This table compares monthly weather conditions in Morris, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)81 mm (3.2 inches)79%moderate
February Weather6°C (43°F)84 mm (3.3 inches)78%high
March Weather13°C (55°F)107 mm (4.2 inches)75%high
April Weather16°C (61°F)150 mm (5.9 inches)75%very high
May Weather21°C (71°F)198 mm (7.8 inches)83%very high
June Weather26°C (80°F)79 mm (3.1 inches)81%extreme
July Weather28°C (83°F)80 mm (3.2 inches)78%extreme
August Weather27°C (81°F)100 mm (3.9 inches)68%very high
September Weather25°C (77°F)100 mm (3.9 inches)64%very high
October Weather17°C (64°F)136 mm (5.4 inches)71%high
November Weather11°C (52°F)55 mm (2.2 inches)82%moderate
December Weather8°C (46°F)66 mm (2.6 inches)87%moderate

Compare Morris's Climate with Cities Worldwide