Laois (Portlaoise)
September
Weather in Laois for September 2027
Your guide to Laois weather in September - trends and predictions
In general, the average temperature in Laois at the beginning of September is 17.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.1 °C by the end of September.
Laois in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 93.8 mm.
Is September a good time to visit Laois? check out the best time to travel to Laois page.
Temperatures
Rain 🌧️
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14
Dry days
16
Rainy days
0
Snow days
16°/8°
Temperatures
22 km/h
Avg max wind
84 %
Avg humidity
Laois Weather September
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Temperatures trend during September in Laois
See the weather trend as well as the moving average line
September weather in Laois day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 17° /10° | 1.9 mm | 3 | |
| 2 Sept. |  Light rain | 20° /10° | 6.3 mm | 3 | |
| 3 Sept. |  Moderate rain | 16° /12° | 13.9 mm | 2 | |
| 4 Sept. | Light rain shower | 17° /10° | 0.8 mm | 3 | |
| 5 Sept. | Patchy rain possible | 17° /9° | 0.4 mm | 3 | |
| 6 Sept. | Patchy rain possible | 19° /12° | 0.7 mm | 3 | |
| 7 Sept. | Light rain | 16° /9° | 4.1 mm | 3 | |
| 8 Sept. | Patchy rain possible | 15° /7° | 0.4 mm | 4 | |
| 9 Sept. | Patchy rain possible | 16° /8° | 1.5 mm | 4 | |
| 10 Sept. | Light rain | 15° /10° | 2.7 mm | 3 | |
| 11 Sept. | Patchy rain possible | 13° /9° | 1.9 mm | 3 | |
| 12 Sept. | Light rain | 15° /7° | 2.7 mm | 2 | |
| 13 Sept. | Light rain | 15° /7° | 3.6 mm | 2 | |
| 14 Sept. | Light rain | 18° /10° | 3.1 mm | 3 | |
| 15 Sept. | Light rain | 15° /10° | 3.7 mm | 3 | |
| 16 Sept. | Patchy rain possible | 16° /9° | 1.7 mm | 3 | |
| 17 Sept. | Patchy rain possible | 17° /9° | 2 mm | 3 | |
| 18 Sept. | Light rain | 17° /9° | 4 mm | 3 | |
| 19 Sept. | Light rain | 17° /10° | 4.1 mm | 3.8 | |
| 20 Sept. | Patchy rain possible | 16° /8° | 1.7 mm | 3 | |
| 21 Sept. | Patchy rain possible | 17° /8° | 1.7 mm | 3 | |
| 22 Sept. | Patchy rain possible | 15° /9° | 0.5 mm | 2 | |
| 23 Sept. | Patchy rain possible | 15° /7° | 0.6 mm | 3 | |
| 24 Sept. | Patchy rain possible | 16° /7° | 0.4 mm | 3 | |
| 25 Sept. |  Moderate or heavy rain shower | 14° /7° | 5.3 mm | 3 | |
| 26 Sept. | Moderate or heavy rain shower | 14° /7° | 5.6 mm | 3 | |
| 27 Sept. | Moderate rain | 13° /6° | 10.3 mm | 2 | |
| 28 Sept. | Patchy rain possible | 14° /5° | 0.4 mm | 3 | |
| 29 Sept. | Light rain | 15° /8° | 3.7 mm | 2 | |
| 30 Sept. | Light rain | 14° /8° | 4.3 mm | 2.9 | |
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Important Notice
Our weather forecast for Laois 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 Laois forecast closer to your planned date for the most up-to-date weather information.
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Laois in September - FAQ
What are the expected maximum and minimum temperatures in Laois 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 Laois during September?
Moderate rainfall is anticipated in Laois during September, with a total of 93.8 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Laois during September?
The average wind speed in Laois during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Laois
Explore the daily rainfall trends and prepare for Laoiss September weather 💧
Typically, Laois has 16 rainy days in September with a total of 93.8 mm of rainfall.
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