September Weather in Head of Westport, United States

Last updated: June 24, 2025

In Head of Westport, United States, the average temperature in September hovers around 19°C (67°F), with a minimum of 12°C (53°F) and a maximum peaking at 26°C (79°F). During this time, expect about 108 mm (4.2 in) of precipitation spread over 10 days, contributing to an average humidity of 75%. Ideal for enjoying the lush, green landscapes!

September Temperature in Head of Westport

In September in Head of Westport, the average temperature is 19°C (67°F), with maximums reaching 26°C (79°F) and minimums dropping as low as 12°C (53°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

September Weather in Head of Westport: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Head of Westport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Head of Westport, September typically has an average temperature of 19°C (67°F), with highs reaching up to 26°C (79°F) and lows dropping to around 12°C (53°F).

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

September Precipitation in Head of Westport

In Head of Westport in September, the precipitation amount is 108 mm (4.2 in) distributed over a duration of 10 days.

September Precipitation Trends in Head of Westport

The chart displays monthly precipitation patterns in Head of Westport, 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 Head of Westport, September typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 10 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 Head of Westport

In Head of Westport in September humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

September Average Humidity in Head of Westport

This chart illustrates the average monthly humidity levels in Head of Westport, 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 Head of Westport 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 Head of Westport

In Head of Westport 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 Head of Westport.

Maximum UV Index Levels in Head of Westport for September

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

Data source: Head of Westport 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 Head of Westport Compares to Other Months

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

This table compares monthly weather conditions in Head of Westport, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	93 mm (3.7 inches)	84%	moderate
February Weather	2°C (36°F)	113 mm (4.5 inches)	84%	moderate
March Weather	3°C (38°F)	117 mm (4.6 inches)	82%	high
April Weather	8°C (46°F)	137 mm (5.4 inches)	79%	very high
May Weather	12°C (54°F)	123 mm (4.8 inches)	75%	very high
June Weather	17°C (64°F)	98 mm (3.9 inches)	78%	very high
July Weather	22°C (71°F)	94 mm (3.7 inches)	76%	very high
August Weather	22°C (72°F)	85 mm (3.4 inches)	76%	very high
September Weather	19°C (67°F)	108 mm (4.2 inches)	75%	very high
October Weather	15°C (60°F)	160 mm (6.3 inches)	75%	high
November Weather	9°C (49°F)	106 mm (4.2 inches)	80%	moderate
December Weather	4°C (40°F)	134 mm (5.3 inches)	80%	low