Weather in September 2025

Navan weather in September 2025

The average weather in Navan in September

The temperatures in Navan in September are quite cold with temperatures between 9°C and 16°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Navan 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 Navan in September 2025.

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

Temperatures
16° / 9°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
62
mm
Sun Hours
7.7
Hrs

Explore the weather in Navan in other months

Navan annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 7° / 2° 7 21 3 58 mm
Awful
February 8° / 2° 7 17 4 58 mm
Awful
March 9° / 3° 6 23 2 52 mm
Bad
April 11° / 4° 5 24 0 53 mm
Ok
May 14° / 7° 5 26 0 67 mm
Good
June 17° / 9° 6 24 0 81 mm
Good
July 18° / 11° 6 25 0 84 mm
Good
August 18° / 11° 6 25 0 85 mm
Good
September 16° / 9° 5 25 0 62 mm
Good
October 13° / 8° 6 25 0 61 mm
Ok
November 9° / 5° 7 23 0 66 mm
Bad
December 7° / 3° 7 22 2 57 mm
Awful

Weather in Navan in September - FAQ

What is the average temperature in Navan in September?
The average temperature in Navan in September is 9/16° C.
What is the chance of rain in Navan in September?
On average, there are 5 rainy days in Navan during September.
Weather wise, is September a good time to visit Navan?
The weather in Navan in September is good.
Can it snow in Navan in September?
On average, there are 0 snowy days in Navan in September.
More about the weather in Navan