Cork
September
Weather in Cork for September 2026
Your guide to Cork weather in September - trends and predictions
Until now, September 2026 in Cork has been nearly identical to the historical average, with a temperature of 17.7 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Cork predicts temperatures to be around 18 °C, close to the historical average.
In general, the average temperature in Cork at the beginning of September is 18.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17 °C by the end of September.
The climate of Cork in September is notably wet, with an average of 15 rainy days, and a total of 112.7 mm of precipitation.
Temperatures
Rain 🌧️
15
Dry days
15
Rainy days
0
Snow days
16°/9°
Temperatures
24 km/h
Avg max wind
83 %
Avg humidity
Cork Weather September
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Temperatures trend during September in Cork
See the weather trend as well as the moving average line
September weather in Cork day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 18° /11° | 2.3 mm | 3 | |
| 2 Sept. | Patchy rain possible | 19° /11° | 1.8 mm | 4 | |
| 3 Sept. |  Overcast | 19° /10° | 3.5 mm | 4 | |
| 4 Sept. |  Sunny | 18° /9° | 0.6 mm | 4 | |
| 5 Sept. | Patchy rain possible | 18° /9° | 3.3 mm | 4 | |
| 6 Sept. |  Mist | 20° /14° | 1.9 mm | 4 | |
| 7 Sept. | Patchy rain possible | 19° /11° | 1.6 mm | 4 | |
| 8 Sept. | Patchy rain possible | 19° /10° | 0.7 mm | 4 | |
| 9 Sept. |  Partly cloudy | 19° /10° | 3 mm | 5 | |
| 10 Sept. | Patchy rain possible | 18° /12° | 3.4 mm | 3 | |
| 11 Sept. | Light rain shower | 15° /9° | 2.9 mm | 3 | |
| 12 Sept. | Partly cloudy | 16° /8° | 8.5 mm | 3 | |
| 13 Sept. | Overcast | 16° /7° | 3.3 mm | 3 | |
| 14 Sept. |  Moderate rain | 17° /10° | 7.5 mm | 3 | |
| 15 Sept. | Moderate rain | 15° /9° | 5.4 mm | 4 | |
| 16 Sept. | Overcast | 18° /12° | 0.1 mm | 3.2 | |
| 17 Sept. | Patchy rain possible | 16° /10° | 0.4 mm | 2.9 | |
| 18 Sept. | Overcast | 17° /9° | 0.2 mm | 0.8 | |
| 19 Sept. | Overcast | 18° /10° | 0.7 mm | 3.4 | |
| 20 Sept. | Overcast | 21° /9° | 0 mm | 5 | |
| 21 Sept. | Mist | 22° /13° | 0 mm | 6 | |
| 22 Sept. | Sunny | 20° /11° | 0 mm | 6 | |
| 23 Sept. | Fog | 18° /12° | 0 mm | 5 | |
| 24 Sept. | Overcast | 16° /9° | 0 mm | 4 | |
| 25 Sept. | Sunny | 18° /8° | 0 mm | 5 | |
| 26 Sept. | Sunny | 20° /9° | 0 mm | 5 | |
| 27 Sept. | Overcast | 19° /9° | 0 mm | 5 | |
| 28 Sept. | Overcast | 15° /9° | 0.9 mm | 4 | |
| 29 Sept. | Patchy rain possible | 16° /10° | 0.5 mm | 4 | |
| 30 Sept. | Light rain shower | 15° /10° | 8.9 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for 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 Cork forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cork in September - FAQ
What are the expected maximum and minimum temperatures in Cork during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cork during September?
Significant rainfall exceeding 112.7 mm is expected in 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 Cork during September?
The average wind speed in Cork during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cork
Explore the daily rainfall trends and prepare for Corks September weather 💧
Typically, Cork has 15 rainy days in September with a total of 112.7 mm of rainfall.
UV exposure in Cork during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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