nomadseason

September Weather in Monroe City, United States

Last updated: June 24, 2025

In September, the average temperature in Monroe City, United States hovers around 22°C (71°F), with a minimum of 5°C (42°F) and a maximum reaching 35°C (95°F). Expect 69 mm (2.7 in) of precipitation over about 7 days, and enjoy the balmy atmosphere with an average humidity of 76%.

September Temperature in Monroe City

In September in Monroe City, the average temperature is 22°C (71°F). Maximums can reach up to 35°C (95°F), while minimums can drop as low as 5°C (42°F). This comfortable climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

September Weather in Monroe City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Monroe City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monroe City, September typically has an average temperature of 22°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec293245536676797571574336
Data source: Temperature data for Monroe City 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 Monroe City

In Monroe City in September, the precipitation amount is 69 mm (2.7 in) over the course of 7 days.

September Precipitation Trends in Monroe City

The chart displays monthly precipitation patterns in Monroe City, 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 Monroe City, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec63591171041741179198691105742
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Monroe City

In Monroe City in September, humidity is 76%. With an average temperature of 22°C (71°F), this humidity feels like traveling through a warm, dense mist that clings to your skin, making every step feel heavier and the air seem thicker, which can be quite draining for outdoor activities.

September Average Humidity in Monroe City

This chart illustrates the average monthly humidity levels in Monroe City, 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 Monroe City is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Monroe City

In Monroe City 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 Monroe City.

Maximum UV Index Levels in Monroe City for September

The chart shows the monthly maximum UV Index (UVI) for Monroe City 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 Monroe City typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109643
Data source: Monroe City 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 Monroe City Compares to Other Months

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

This table compares monthly weather conditions in Monroe City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)63 mm (2.5 inches)82%moderate
February Weather0°C (32°F)59 mm (2.3 inches)80%moderate
March Weather7°C (45°F)117 mm (4.6 inches)80%high
April Weather12°C (53°F)104 mm (4.1 inches)80%very high
May Weather19°C (66°F)174 mm (6.9 inches)82%very high
June Weather24°C (76°F)117 mm (4.6 inches)83%extreme
July Weather26°C (79°F)91 mm (3.6 inches)81%very high
August Weather24°C (76°F)98 mm (3.9 inches)80%very high
September Weather22°C (71°F)69 mm (2.7 inches)76%very high
October Weather14°C (57°F)110 mm (4.3 inches)76%high
November Weather6°C (43°F)57 mm (2.2 inches)85%moderate
December Weather2°C (37°F)42 mm (1.7 inches)86%moderate

Compare Monroe City's Climate with Cities Worldwide