Co. Waterford weather

Our guide to the weather in Co. Waterford during September

16

Average high

3

UV Index

63mm

Monthly rainfall

86%

Humidity

We've looked at the most up-to-date weather data for Co. Waterford, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Co. Waterford weather in September.

What's the temperature like in Co. Waterford during September?

The temperature reaches around 16℃ during the daytime in September, falling away to 11℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Co. Waterford during September?

On average, there will be 5 rainy days during the month, amounting to 63.2mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. You're not likely to see a thunderstorm during your trip.

Is it windy in Co. Waterford during September?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during September. With moderate air temperatures, any breeze will feel cool.

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Weather in Co. Waterford

Our month-by-month guide to the weather and climate in Co. Waterford

8.1

Co. Waterford weather in

January
8.5

Co. Waterford weather in

February
9.6

Co. Waterford weather in

March
11.2

Co. Waterford weather in

April
13.4

Co. Waterford weather in

May
16.0

Co. Waterford weather in

June
17.9

Co. Waterford weather in

July
17.8

Co. Waterford weather in

August
16.2

Co. Waterford weather in

September
13.8

Co. Waterford weather in

October
10.5

Co. Waterford weather in

November
8.6

Co. Waterford weather in

December