September Weather in Como, United States

Last updated: June 24, 2025

In Como, United States, the average temperature in September is a warm 26°C (79°F), with a minimum dropping to 10°C (51°F) and a maximum soaring to 38°C (101°F). Expect about 81 mm (3.2 in) of rainfall spread over 8 days, contributing to an average humidity of 65%. Whether you're seeking sun or a refreshing rain, this month offers a delightful mix!

September Temperature in Como

In September in Como, the average temperature is 26°C (79°F), with maximums reaching 38°C (101°F) and minimums dropping to as low as 10°C (51°F). This diverse temperature range makes Como a perfect destination for those who enjoy a variety of weather experiences while traveling.

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

The chart illustrates September temperature patterns in Como, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Como, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (51°F).

Data source: Temperature data for Como generated using information from the Copernicus Climate Change Service.

September Precipitation in Como

In Como in September, the precipitation amount is 81 mm (3.2 in) over the course of 8 days.

September Precipitation Trends in Como

The chart displays monthly precipitation patterns in Como, 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 Como, September typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Como

In Como in September, humidity is 65%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making travel quite sticky and uncomfortable.

September Average Humidity in Como

This chart illustrates the average monthly humidity levels in Como, 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 Como is approximately 65%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Como

In Como 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 Como.

Maximum UV Index Levels in Como for September

The chart shows the monthly maximum UV Index (UVI) for Como 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 Como typically reaches 10, which falls under the very high exposure category.

Data source: Como 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 Como Compares to Other Months

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

This table compares monthly weather conditions in Como, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	92 mm (3.6 inches)	80%	moderate
February Weather	9°C (49°F)	143 mm (5.6 inches)	79%	high
March Weather	15°C (60°F)	126 mm (5.0 inches)	78%	very high
April Weather	18°C (64°F)	180 mm (7.1 inches)	78%	very high
May Weather	23°C (74°F)	171 mm (6.7 inches)	81%	extreme
June Weather	27°C (80°F)	96 mm (3.8 inches)	78%	extreme
July Weather	29°C (84°F)	69 mm (2.7 inches)	73%	extreme
August Weather	29°C (84°F)	74 mm (2.9 inches)	66%	extreme
September Weather	26°C (79°F)	81 mm (3.2 inches)	65%	very high
October Weather	20°C (68°F)	136 mm (5.3 inches)	72%	very high
November Weather	13°C (56°F)	63 mm (2.5 inches)	82%	high
December Weather	11°C (51°F)	99 mm (3.9 inches)	87%	moderate