September Weather in Manorhamilton, Ireland

Last updated: August 23, 2025

In September, the average temperature in Manorhamilton, Ireland hovers around 13°C (55°F). Expect a cool minimum of 3°C (37°F), with the mercury sometimes rising as high as 24°C (76°F). Be prepared for 102 mm (4.0 in) of precipitation over 18 days, contributing to an average humidity level of 87%, creating a distinctly damp atmosphere.

September Temperature in Manorhamilton

In September in Manorhamilton, 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 Manorhamilton: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Manorhamilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manorhamilton, 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 Manorhamilton generated using information from the Copernicus Climate Change Service.

September Precipitation in Manorhamilton

In Manorhamilton in September, the precipitation amount is 102 mm (4.0 in) over the course of 18 days.

September Precipitation Trends in Manorhamilton

The chart displays monthly precipitation patterns in Manorhamilton, 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 Manorhamilton, September typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 18 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 Manorhamilton

In Manorhamilton 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 Manorhamilton

This chart illustrates the average monthly humidity levels in Manorhamilton, 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 Manorhamilton 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 Manorhamilton

In Manorhamilton 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 Manorhamilton.

Maximum UV Index Levels in Manorhamilton for September

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

Data source: Manorhamilton 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 Manorhamilton Compares to Other Months

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

This table compares monthly weather conditions in Manorhamilton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	88 mm (3.5 inches)	84%	low
February Weather	6°C (42°F)	135 mm (5.3 inches)	84%	low
March Weather	6°C (44°F)	120 mm (4.7 inches)	83%	moderate
April Weather	8°C (47°F)	64 mm (2.5 inches)	84%	moderate
May Weather	11°C (52°F)	84 mm (3.3 inches)	83%	high
June Weather	13°C (57°F)	116 mm (4.6 inches)	83%	very high
July Weather	15°C (59°F)	106 mm (4.2 inches)	86%	very high
August Weather	15°C (58°F)	156 mm (6.1 inches)	86%	high
September Weather	13°C (55°F)	102 mm (4.0 inches)	87%	moderate
October Weather	10°C (50°F)	129 mm (5.1 inches)	87%	moderate
November Weather	7°C (46°F)	115 mm (4.5 inches)	88%	low
December Weather	6°C (43°F)	120 mm (4.7 inches)	84%	low