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Weather in Limerick for September 2026

Your guide to Limerick weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Limerick has been nearly identical to the historical average, with a temperature of 17.4 °C (showing only a slight deviation of 0.4 °C).

  • The forecast for the next days in Limerick predicts temperatures to be around 18 °C, close to the historical average.

  • In general, the average temperature in Limerick at the beginning of September is 18.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 16.7 °C by the end of September.

    • Rain 🌧️

  • Limerick experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 110 mm.

Average dry days
5
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/8°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Limerick Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain shower
18°
2
Patchy rain possible
19°
3
Light rain shower
18°
4
Patchy rain possible
18°
5
Patchy rain possible
19°
6
Patchy rain possible
21°
7
Light rain shower
19°
8
Patchy rain possible
19°
9
Patchy rain possible
19°
10
Light rain shower
17°
11
Light rain shower
14°
12
Mist
16°
13
Patchy rain possible
15°
14
Moderate rain
18°
15
Fog
14°
16
Patchy rain possible
16°
17
Patchy rain possible
15°
18
Patchy rain possible
16°
19
Patchy rain possible
16°
20
Mist
20°
21
Sunny
22°
22
Sunny
21°
23
Sunny
20°
24
Overcast
15°
25
Sunny
19°
26
Sunny
19°
27
Sunny
16°
28
Overcast
16°
29
Light rain shower
15°
30
Light rain shower
17°

Temperatures trend during September in Limerick

See the weather trend as well as the moving average line

September weather in Limerick day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 18° /9° 3.7 mm 4
2 Sept. Patchy rain possible
Patchy rain possible
 19° /10° 5.1 mm 3
3 Sept. Light rain shower
Light rain shower
 18° /10° 8.9 mm 4
4 Sept. Patchy rain possible
Patchy rain possible
 18° /9° 0.7 mm 4
5 Sept. Patchy rain possible
Patchy rain possible
 19° /9° 0.2 mm 4
6 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 0.6 mm 4
7 Sept. Light rain shower
Light rain shower
 19° /10° 3.9 mm 4
8 Sept. Patchy rain possible
Patchy rain possible
 19° /9° 2 mm 4
9 Sept. Patchy rain possible
Patchy rain possible
 19° /9° 2.5 mm 4
10 Sept. Light rain shower
Light rain shower
 17° /10° 9.2 mm 3
11 Sept. Light rain shower
Light rain shower
 14° /8° 6.4 mm 3
12 Sept. Mist
Mist
 16° /7° 6.6 mm 3
13 Sept. Patchy rain possible
Patchy rain possible
 15° /6° 2.6 mm 3
14 Sept. Moderate rain
Moderate rain
 18° /9° 8.1 mm 3
15 Sept. Fog
Fog
 14° /9° 1.6 mm 3
16 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 0.6 mm 3.2
17 Sept. Patchy rain possible
Patchy rain possible
 15° /11° 3.1 mm 2.8
18 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 2.9 mm 0.6
19 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 1.4 mm 2.8
20 Sept. Mist
Mist
 20° /9° 0.9 mm 5
21 Sept. Sunny
Sunny
 22° /13° 0 mm 6
22 Sept. Sunny
Sunny
 21° /12° 0 mm 6
23 Sept. Sunny
Sunny
 20° /12° 0 mm 5
24 Sept. Overcast
Overcast
 15° /9° 0 mm 3
25 Sept. Sunny
Sunny
 19° /7° 0 mm 5
26 Sept. Sunny
Sunny
 19° /8° 0 mm 5
27 Sept. Sunny
Sunny
 16° /9° 0 mm 5
28 Sept. Overcast
Overcast
 16° /10° 0.8 mm 4
29 Sept. Light rain shower
Light rain shower
 15° /7° 3.1 mm 4
30 Sept. Light rain shower
Light rain shower
 17° /8° 6.4 mm 4
Next
Important Notice
Our weather forecast for Limerick in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Limerick forecast closer to your planned date for the most up-to-date weather information.
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Limerick in September - FAQ

What are the expected maximum and minimum temperatures in Limerick during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Limerick during September?
Significant rainfall exceeding 110 mm is expected in Limerick during September, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Limerick during September?
The average wind speed in Limerick during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Limerick

Explore the daily rainfall trends and prepare for Limericks September weather 💧
Typically, Limerick has 25 rainy days in September with a total of 110 mm of rainfall.

UV exposure in Limerick during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Get accurate weather forecasts for Limerick, located at latitude 52.665 and longitude -8.623. Stay updated with localized weather information tailored for Limerick.

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