Trim weather

Our guide to the weather in Trim during September

16

Average high

3

UV Index

62mm

Monthly rainfall

88%

Humidity

We've looked at the most up-to-date weather data for Trim, 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 Trim weather in September.

What's the temperature like in Trim during September?

The temperature reaches around 16℃ during the daytime in September, falling away to 9℃ 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 Trim during September?

On average, there will be 5 rainy days during the month, amounting to 62.1mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Trim 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 Trim

Our month-by-month guide to the weather and climate in Trim

6.8

Trim weather in

January
7.7

Trim weather in

February
9.3

Trim weather in

March
11.4

Trim weather in

April
13.9

Trim weather in

May
16.6

Trim weather in

June
18.3

Trim weather in

July
17.8

Trim weather in

August
16.0

Trim weather in

September
13.1

Trim weather in

October
9.4

Trim weather in

November
7.1

Trim weather in

December