September Weather in Irvinestown, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Irvinestown, United Kingdom hovers around 13°C (55°F), with a minimum chill of 2°C (35°F) and a potential high of 24°C (75°F). Expect 88 mm (3.5 in) of precipitation spread across 17 days, contributing to an average humidity of 87%. Prepare for a mix of cool and comfortable days, making it essential to be ready for both rain and shine!

September Temperature in Irvinestown

In September in Irvinestown, the average temperature is 13°C (55°F), with maximums reaching up to 24°C (75°F) and minimums dropping as low as 2°C (35°F). This moderate climate makes it an ideal time for travelers to explore the area comfortably.

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

The chart illustrates September temperature patterns in Irvinestown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irvinestown, September typically has an average temperature of 13°C (55°F), with highs reaching up to 24°C (75°F) and lows dropping to around 2°C (35°F).

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

September Precipitation in Irvinestown

In Irvinestown in September, the precipitation amount is 88 mm (3.5 in) spread over 17 days.

September Precipitation Trends in Irvinestown

The chart displays monthly precipitation patterns in Irvinestown, 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 Irvinestown, September typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 17 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 Irvinestown

In Irvinestown 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 Irvinestown

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

In Irvinestown 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 Irvinestown.

Maximum UV Index Levels in Irvinestown for September

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

Data source: Irvinestown 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 Irvinestown Compares to Other Months

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

This table compares monthly weather conditions in Irvinestown, 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 (41°F)	79 mm (3.1 inches)	84%	low
February Weather	5°C (42°F)	128 mm (5.0 inches)	84%	low
March Weather	6°C (43°F)	108 mm (4.2 inches)	83%	moderate
April Weather	8°C (47°F)	61 mm (2.4 inches)	84%	moderate
May Weather	11°C (52°F)	78 mm (3.1 inches)	83%	high
June Weather	13°C (56°F)	108 mm (4.3 inches)	83%	very high
July Weather	15°C (59°F)	101 mm (4.0 inches)	86%	very high
August Weather	14°C (58°F)	142 mm (5.6 inches)	86%	high
September Weather	13°C (55°F)	88 mm (3.5 inches)	87%	moderate
October Weather	10°C (50°F)	112 mm (4.4 inches)	87%	moderate
November Weather	7°C (45°F)	101 mm (4.0 inches)	88%	low
December Weather	6°C (43°F)	110 mm (4.3 inches)	84%	low