Weather in September 2025

Leinster weather in September 2025

The temperatures in Leinster in September are usually low and can range between 11°C and 16°C.

You can expect about 3 to 8 days of rain in Leinster during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Leinster in September 2025.

If you’re planning to visit Leinster in the near future, we highly recommend that you review the 14 day weather forecast for Leinster before you arrive.

Temperatures
Temperatures
16° / 11°
Rainy Days
Rainy Days
7
Snowy Days
Snowy Days
0
Dry Days
Dry Days
23
Rainfall
Rainfall
89
mm
9.1
Sun Hours
9.1
Hrs

Leinster annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 8° / 4° 10 18 2 103 mm
Awful
February 8° / 4° 8 18 2 92 mm
Awful
March 9° / 5° 7 23 1 78 mm
Bad
April 10° / 6° 7 22 1 72 mm
Bad
May 13° / 8° 6 25 0 74 mm
Ok
June 15° / 11° 6 24 0 98 mm
Good
July 17° / 12° 7 24 0 97 mm
Ok
August 17° / 12° 7 24 0 106 mm
Ok
September 16° / 11° 7 23 0 89 mm
Ok
October 13° / 10° 8 23 0 123 mm
Bad
November 10° / 7° 9 21 0 124 mm
Bad
December 8° / 5° 9 20 2 114 mm
Awful
Temperatures in Leinster in September
Rain in Leinster in September

Recommended Hotels in Leinster

We know that finding the ideal hotel in Leinster can be a hard task...

That’s why we run our special tools and found the best hotels in Leinster. Click on hotel for more details.

Weather in Leinster in September - FAQ

What is the average temperature in Leinster in September?
The average temperature in Leinster in September is 11/16° C.
What is the chance of rain in Leinster in September?
On average, there are 7 rainy days in Leinster during September.
Weather wise, is September a good time to visit Leinster?
The weather in Leinster in September is ok.
Can it snow in Leinster in September?
On average, there are 0 snowy days in Leinster in September.
Cities in Leinster

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More about the weather in Leinster