County Cork (Cork)
September
Weather in County Cork for September 2027
Your guide to County Cork weather in September - trends and predictions
In general, the average temperature in County Cork at the beginning of September is 18.2 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.5 °C by the end of September.
The climate of County Cork in September is notably wet, with an average of 15 rainy days, and a total of 108.3 mm of precipitation.
Is September a good time to visit County Cork? check out the best time to travel to County Cork page.
Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
16°/10°
Temperatures
25 km/h
Avg max wind
83 %
Avg humidity
County Cork Weather September
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Temperatures trend during September in County Cork
See the weather trend as well as the moving average line
September weather in County Cork day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 18° /12° | 2.3 mm | 3 | |
| 2 Sept. | Patchy rain possible | 19° /11° | 1.8 mm | 4 | |
| 3 Sept. |  Light rain | 19° /11° | 3.5 mm | 4 | |
| 4 Sept. |  Sunny | 18° /9° | 0.6 mm | 4 | |
| 5 Sept. | Light rain | 18° /10° | 3.3 mm | 4 | |
| 6 Sept. | Patchy rain possible | 19° /14° | 1.9 mm | 4 | |
| 7 Sept. | Patchy rain possible | 18° /12° | 1.6 mm | 4 | |
| 8 Sept. | Patchy rain possible | 19° /11° | 0.7 mm | 4 | |
| 9 Sept. | Light rain | 19° /11° | 3 mm | 4.9 | |
| 10 Sept. | Light rain | 18° /12° | 3.4 mm | 3 | |
| 11 Sept. | Light rain | 15° /9° | 2.9 mm | 3 | |
| 12 Sept. | Light rain | 16° /8° | 8.5 mm | 3 | |
| 13 Sept. | Light rain | 16° /8° | 3.3 mm | 3 | |
| 14 Sept. |  Moderate rain | 17° /11° | 7.5 mm | 3 | |
| 15 Sept. | Light rain | 16° /10° | 4.2 mm | 4 | |
| 16 Sept. | Patchy rain possible | 16° /10° | 1.9 mm | 4 | |
| 17 Sept. | Light rain | 17° /11° | 3.4 mm | 3 | |
| 18 Sept. | Patchy rain possible | 16° /10° | 1.6 mm | 3 | |
| 19 Sept. | Light rain | 18° /12° | 4 mm | 4 | |
| 20 Sept. | Light rain | 17° /9° | 6.3 mm | 3.9 | |
| 21 Sept. | Patchy rain possible | 17° /9° | 0.4 mm | 3 | |
| 22 Sept. | Light rain shower | 14° /8° | 2.3 mm | 3 | |
| 23 Sept. | Light rain | 16° /7° | 2.5 mm | 3 | |
| 24 Sept. | Light rain | 15° /10° | 3.5 mm | 3 | |
| 25 Sept. | Patchy rain possible | 14° /10° | 0.9 mm | 3 | |
| 26 Sept. | Light rain | 14° /9° | 3.5 mm | 3 | |
| 27 Sept. | Moderate rain | 14° /8° | 11.9 mm | 3 | |
| 28 Sept. | Patchy rain possible | 15° /7° | 1.1 mm | 3 | |
| 29 Sept. | Light rain | 15° /10° | 8.8 mm | 3 | |
| 30 Sept. | Light rain | 15° /10° | 7.5 mm | 3 | |
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Important Notice
Our weather forecast for County Cork 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 County Cork forecast closer to your planned date for the most up-to-date weather information.
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County Cork in September - FAQ
What are the expected maximum and minimum temperatures in County Cork during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in County Cork during September?
Significant rainfall exceeding 108.3 mm is expected in County Cork during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in County Cork during September?
The average wind speed in County Cork during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in County Cork
Explore the daily rainfall trends and prepare for County Corks September weather 💧
Typically, County Cork has 15 rainy days in September with a total of 108.3 mm of rainfall.
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