September Weather in Corsica, United States

Last updated: June 24, 2025

In Corsica, United States, the average temperature in September is a pleasant 19°C (66°F). Expect a temperature range that can dip to a chilly 4°C (39°F) at night and soar to a warm 34°C (93°F) during the day. With an average precipitation of 82 mm (3.2 in) spread over about 7 days, and a humidity level of 75%, this month combines mild warmth with a touch of moisture.

September Temperature in Corsica

In September in Corsica, the average temperature is 19°C (66°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 4°C (39°F). It's a wonderful time for travelers to experience comfortable weather while enjoying outdoor activities.

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

The chart illustrates September temperature patterns in Corsica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Corsica, September typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Corsica

In Corsica in September, the precipitation amount is 82 mm (3.2 in) over the course of 7 days.

September Precipitation Trends in Corsica

The chart displays monthly precipitation patterns in Corsica, 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 Corsica, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 7 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 Corsica

In Corsica in September humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

September Average Humidity in Corsica

This chart illustrates the average monthly humidity levels in Corsica, 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 Corsica is approximately 75%, 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 Corsica

In Corsica 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 Corsica.

Maximum UV Index Levels in Corsica for September

The chart shows the monthly maximum UV Index (UVI) for Corsica 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 Corsica typically reaches 8, which falls under the very high exposure category.

Data source: Corsica 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 Corsica Compares to Other Months

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

This table compares monthly weather conditions in Corsica, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (21°F)	18 mm (0.7 inches)	77%	low
February Weather	-7°C (20°F)	20 mm (0.8 inches)	81%	moderate
March Weather	2°C (36°F)	61 mm (2.4 inches)	71%	high
April Weather	7°C (45°F)	64 mm (2.5 inches)	75%	very high
May Weather	15°C (59°F)	109 mm (4.3 inches)	74%	very high
June Weather	23°C (74°F)	71 mm (2.8 inches)	82%	extreme
July Weather	25°C (77°F)	81 mm (3.2 inches)	84%	very high
August Weather	23°C (73°F)	80 mm (3.1 inches)	82%	very high
September Weather	19°C (66°F)	82 mm (3.2 inches)	75%	very high
October Weather	9°C (48°F)	75 mm (3.0 inches)	72%	moderate
November Weather	2°C (36°F)	18 mm (0.7 inches)	81%	moderate
December Weather	-3°C (26°F)	38 mm (1.5 inches)	79%	low