Munster (Cork)
September
Weather in Munster for September 2025
Your guide to Munster weather in September - trends and predictions
In general, the average temperature in Munster at the beginning of September is 19.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14 °C by the end of September.
Munster experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit Munster? check out the best time to travel to Munster page.
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9
Dry days
21
Rainy days
0
Snow days
17°/11°
Temperatures
24 km/h
Avg max wind
86 %
Avg humidity
Munster in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  18° | 3  19° | 4 18° | 5 19° | 6  21° | 7 20° |
| 8 21° | 9  21° | 10  18° | 11 15° | 12 15° | 13 14° | 14  16° |
| 15 15° | 16  17° | 17 17° | 18 16° | 19  19° | 20 18° | 21 17° |
| 22 14° | 23 17° | 24 14° | 25 13° | 26 13° | 27 14° | 28 14° |
| 29 14° | 30 16° |
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Temperatures trend during September in Munster
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 19° /12° | 2.8 mm | 4 | |
| 2 Sept. | Sunny | 18° /10° | 0.6 mm | 5 | |
| 3 Sept. | Overcast | 19° /9° | 0.1 mm | 5 | |
| 4 Sept. | Sunny | 18° /8° | 0 mm | 5 | |
| 5 Sept. | Patchy rain possible | 19° /10° | 5.4 mm | 5 | |
| 6 Sept. | Mist | 21° /14° | 0.3 mm | 5 | |
| 7 Sept. | Fog | 20° /13° | 0.2 mm | 5 | |
| 8 Sept. | Patchy rain possible | 21° /12° | 0.4 mm | 5 | |
| 9 Sept. | Partly cloudy | 21° /11° | 0 mm | 6 | |
| 10 Sept. | Moderate or heavy rain shower | 18° /12° | 5.5 mm | 4 | |
| 11 Sept. | Light rain shower | 15° /9° | 5 mm | 4 | |
| 12 Sept. | Partly cloudy | 15° /6° | 0.1 mm | 4 | |
| 13 Sept. | Overcast | 14° /5° | 0 mm | 4 | |
| 14 Sept. | Moderate rain | 16° /10° | 7.2 mm | 4 | |
| 15 Sept. | Moderate rain | 15° /9° | 8.1 mm | 4 | |
| 16 Sept. | Cloudy | 17° /9° | 0.2 mm | 5 | |
| 17 Sept. | Light rain shower | 17° /10° | 5.5 mm | 4 | |
| 18 Sept. | Patchy rain possible | 16° /8° | 0.2 mm | 4 | |
| 19 Sept. | Light drizzle | 19° /11° | 1.9 mm | 5 | |
| 20 Sept. | Patchy rain possible | 18° /9° | 10.2 mm | 5 | |
| 21 Sept. | Patchy rain possible | 17° /8° | 0.8 mm | 4 | |
| 22 Sept. | Light rain shower | 14° /7° | 4.6 mm | 3 | |
| 23 Sept. | Light rain | 17° /7° | 4.8 mm | 4 | |
| 24 Sept. | Moderate rain | 14° /11° | 5.9 mm | 4 | |
| 25 Sept. | Patchy rain possible | 13° /9° | 1.1 mm | 4 | |
| 26 Sept. | Patchy rain possible | 13° /8° | 6.2 mm | 3 | |
| 27 Sept. | Light rain shower | 14° /8° | 12.4 mm | 4 | |
| 28 Sept. | Light rain shower | 14° /6° | 2.1 mm | 3 | |
| 29 Sept. | Mist | 14° /9° | 12.2 mm | 4 | |
| 30 Sept. | Light rain shower | 16° /9° | 11.7 mm | 4 | |
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Important Notice
Our weather forecast for Munster 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 Munster forecast closer to your planned date for the most up-to-date weather information.
Munster in September - FAQ
What are the expected maximum and minimum temperatures in Munster during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Munster during September?
Significant rainfall exceeding 173.8 mm is expected in Munster during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Munster during September?
The average wind speed in Munster during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Munster in September?
As you prepare for your trip to Munster in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Munster, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Munster
Explore the daily rainfall trends and prepare for Munsters September weather 💧
UV exposure in Munster during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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