September Weather in Sorrento, United States

Last updated: June 24, 2025

In Sorrento, United States, the average temperature in September hovers around 27°C (81°F). Expect a minimum of 18°C (65°F) and highs reaching up to 35°C (95°F). With an average humidity of 83%, the air can feel quite muggy. Be prepared for rain, as 169 mm (6.6 in) of precipitation is expected over 19 days this month.

September Temperature in Sorrento

In September in Sorrento, the average temperature is 27°C (81°F). Maximums can reach 35°C (95°F), and minimums can be as low as 18°C (65°F). Be sure to pack light clothing for the warm days and a light jacket for the cooler evenings.

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

The chart illustrates September temperature patterns in Sorrento, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sorrento, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 18°C (65°F).

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

September Precipitation in Sorrento

In Sorrento in September, the precipitation amount is 169 mm (6.6 in) over the course of 19 days.

September Precipitation Trends in Sorrento

The chart displays monthly precipitation patterns in Sorrento, 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 Sorrento, September typically receives around 169 mm (6.6 inches) of precipitation spread over approximately 19 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Sorrento

In Sorrento in September humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

September Average Humidity in Sorrento

This chart illustrates the average monthly humidity levels in Sorrento, 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 Sorrento is approximately 83%, 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 Sorrento

In Sorrento in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Sorrento.

Maximum UV Index Levels in Sorrento for September

The chart shows the monthly maximum UV Index (UVI) for Sorrento 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 Sorrento typically reaches 11, which falls under the extreme exposure category.

Data source: Sorrento 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 Sorrento Compares to Other Months

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

This table compares monthly weather conditions in Sorrento, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (60°F)	45 mm (1.8 inches)	83%	moderate
February Weather	19°C (66°F)	56 mm (2.2 inches)	80%	very high
March Weather	20°C (68°F)	23 mm (0.9 inches)	75%	very high
April Weather	22°C (72°F)	77 mm (3.0 inches)	70%	extreme
May Weather	25°C (77°F)	97 mm (3.8 inches)	68%	extreme
June Weather	27°C (81°F)	197 mm (7.8 inches)	75%	extreme
July Weather	27°C (82°F)	221 mm (8.7 inches)	79%	extreme
August Weather	28°C (82°F)	227 mm (8.9 inches)	81%	extreme
September Weather	27°C (81°F)	169 mm (6.6 inches)	83%	extreme
October Weather	25°C (77°F)	88 mm (3.4 inches)	81%	very high
November Weather	20°C (68°F)	49 mm (1.9 inches)	82%	high
December Weather	17°C (63°F)	63 mm (2.5 inches)	84%	moderate