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September Weather in Tullow, Ireland

Last updated: August 23, 2025

In September, the average temperature in Tullow, Ireland hovers around 13°C (56°F), with lows dipping to a brisk 0°C (32°F) and highs reaching a comfortable 25°C (78°F). Expect 67 mm (2.6 in) of precipitation over about 12 days, contributing to a lush and vibrant landscape. With an average humidity of 86%, the air feels rich and fresh, making it an ideal time to explore the splendor of Tullow.

September Temperature in Tullow

In September in Tullow, the average temperature is 13°C (56°F). Maximum temperatures can reach 25°C (78°F), while minimum temperatures can drop as low as 0°C (32°F). It's a great time to explore Tullow, as the mild weather is perfect for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Tullow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tullow, September typically has an average temperature of 13°C (56°F), with highs reaching up to 25°C (78°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec414344475258615956504543
Data source: Temperature data for Tullow generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Tullow

In Tullow in September, the precipitation amount is 67 mm (2.6 in) distributed over 12 days.

September Precipitation Trends in Tullow

The chart displays monthly precipitation patterns in Tullow, 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 Tullow, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5090806272706910067889599
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tullow

In Tullow in September, humidity is 86%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or air-conditioned spaces frequently.

September Average Humidity in Tullow

This chart illustrates the average monthly humidity levels in Tullow, 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 Tullow is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tullow

In Tullow 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 Tullow.

Maximum UV Index Levels in Tullow for September

The chart shows the monthly maximum UV Index (UVI) for Tullow 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 Tullow typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Tullow 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 Tullow Compares to Other Months

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

This table compares monthly weather conditions in Tullow, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)50 mm (2.0 inches)85%low
February Weather6°C (43°F)90 mm (3.6 inches)86%low
March Weather6°C (44°F)80 mm (3.1 inches)86%moderate
April Weather8°C (47°F)62 mm (2.4 inches)85%moderate
May Weather11°C (52°F)72 mm (2.8 inches)83%high
June Weather14°C (58°F)70 mm (2.8 inches)85%very high
July Weather16°C (61°F)69 mm (2.7 inches)86%very high
August Weather15°C (60°F)100 mm (3.9 inches)85%high
September Weather13°C (56°F)67 mm (2.6 inches)86%moderate
October Weather10°C (51°F)88 mm (3.5 inches)87%moderate
November Weather7°C (45°F)95 mm (3.8 inches)86%low
December Weather6°C (43°F)99 mm (3.9 inches)84%low

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