September Weather in Millford, Ireland

Last updated: August 23, 2025

In Millford, Ireland, the average temperature in September hovers around 13°C (55°F), with daily variations ranging from a cool 3°C (37°F) to a pleasant 24°C (76°F). This month experiences significant precipitation, totaling 104 mm (4.1 in) across 19 days of rain. Expect high humidity levels at 87%, which can make the atmosphere feel quite damp and refreshing!

September Temperature in Millford

In September in Millford, the average temperature is 13°C (55°F). Maximums can reach 24°C (76°F) and minimums can be as low as 3°C (37°F). This range makes it a great time for travelers to enjoy a mix of mild weather and comfortable conditions while exploring the area.

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

The chart illustrates September temperature patterns in Millford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Millford, September typically has an average temperature of 13°C (55°F), with highs reaching up to 24°C (76°F) and lows dropping to around 3°C (37°F).

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

September Precipitation in Millford

In Millford in September, the precipitation amount is 104 mm (4.1 in) over the course of 19 days.

September Precipitation Trends in Millford

The chart displays monthly precipitation patterns in Millford, 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 Millford, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 19 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 Millford

In Millford in September, humidity is 87%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making travel sluggish and slightly uncomfortable, as each step seems to cling to the damp air.

September Average Humidity in Millford

This chart illustrates the average monthly humidity levels in Millford, 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 Millford is approximately 87%, 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 Millford

In Millford in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Millford.

Maximum UV Index Levels in Millford for September

The chart shows the monthly maximum UV Index (UVI) for Millford 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 Millford typically reaches 5, which falls under the moderate exposure category.

Data source: Millford 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 Millford Compares to Other Months

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

This table compares monthly weather conditions in Millford, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	85 mm (3.3 inches)	84%	low
February Weather	6°C (42°F)	123 mm (4.8 inches)	84%	low
March Weather	6°C (44°F)	111 mm (4.4 inches)	83%	moderate
April Weather	8°C (47°F)	59 mm (2.3 inches)	84%	moderate
May Weather	11°C (52°F)	81 mm (3.2 inches)	83%	high
June Weather	13°C (56°F)	102 mm (4.0 inches)	83%	very high
July Weather	15°C (59°F)	98 mm (3.9 inches)	86%	very high
August Weather	14°C (58°F)	146 mm (5.8 inches)	86%	high
September Weather	13°C (55°F)	104 mm (4.1 inches)	87%	moderate
October Weather	10°C (51°F)	124 mm (4.9 inches)	87%	moderate
November Weather	8°C (46°F)	108 mm (4.2 inches)	88%	low
December Weather	6°C (44°F)	124 mm (4.9 inches)	84%	low