Sligo
September
Weather in Sligo for September 2025
Your guide to Sligo weather in September - trends and predictions
In general, the average temperature in Sligo at the beginning of September is 17.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.6 °C by the end of September.
Sligo in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 53.2 mm.
Temperatures
Rain 🌧️
12
Dry days
18
Rainy days
0
Snow days
15°/9°
Temperatures
21 km/h
Avg max wind
81 %
Avg humidity
Sligo in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2 15° | 3 14° | 4 14° | 5  17° | 6  23° | 7  19° |
| 8 15° | 9 14° | 10 13° | 11 11° | 12 11° | 13  12° | 14 15° |
| 15 16° | 16 16° | 17 19° | 18 19° | 19 19° | 20 19° | 21 18° |
| 22 18° | 23 15° | 24 12° | 25 12° | 26 9° | 27 11° | 28 13° |
| 29 12° | 30 12° |
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Temperatures trend during September in Sligo
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. | Patchy rain possible | 19° /9° | 1.8 mm | 4 | |
| 2 Sept. | Light rain shower | 15° /11° | 6.5 mm | 3 | |
| 3 Sept. | Light rain shower | 14° /8° | 1.7 mm | 3 | |
| 4 Sept. | Light rain shower | 14° /8° | 2.6 mm | 3 | |
| 5 Sept. | Cloudy | 17° /8° | 0 mm | 4 | |
| 6 Sept. | Sunny | 23° /12° | 0 mm | 6 | |
| 7 Sept. | Partly cloudy | 19° /12° | 0.4 mm | 5 | |
| 8 Sept. | Patchy rain possible | 15° /11° | 0.2 mm | 4 | |
| 9 Sept. | Patchy rain possible | 14° /9° | 0.9 mm | 3 | |
| 10 Sept. | Light rain shower | 13° /9° | 5.9 mm | 3 | |
| 11 Sept. | Light rain shower | 11° /7° | 6.7 mm | 3 | |
| 12 Sept. | Light rain shower | 11° /6° | 1.8 mm | 3 | |
| 13 Sept. | Light rain | 12° /3° | 4 mm | 3 | |
| 14 Sept. | Light drizzle | 15° /11° | 2.7 mm | 4 | |
| 15 Sept. | Patchy rain possible | 16° /10° | 0.2 mm | 4 | |
| 16 Sept. | Patchy rain possible | 16° /8° | 0.1 mm | 4 | |
| 17 Sept. | Partly cloudy | 19° /11° | 0 mm | 5 | |
| 18 Sept. | Sunny | 19° /9° | 0 mm | 5 | |
| 19 Sept. | Sunny | 19° /9° | 0 mm | 5 | |
| 20 Sept. | Sunny | 19° /10° | 0 mm | 5 | |
| 21 Sept. | Sunny | 18° /10° | 0 mm | 5 | |
| 22 Sept. | Patchy rain possible | 18° /10° | 0.1 mm | 4 | |
| 23 Sept. | Cloudy | 15° /9° | 0 mm | 4 | |
| 24 Sept. | Light rain shower | 12° /7° | 1.2 mm | 3 | |
| 25 Sept. | Patchy rain possible | 12° /6° | 0.6 mm | 3 | |
| 26 Sept. | Light rain | 9° /7° | 5.4 mm | 2 | |
| 27 Sept. | Light rain shower | 11° /7° | 2.6 mm | 3 | |
| 28 Sept. | Patchy rain possible | 13° /7° | 1.5 mm | 3 | |
| 29 Sept. | Light rain shower | 12° /7° | 3.7 mm | 3 | |
| 30 Sept. | Light drizzle | 12° /8° | 2.4 mm | 3 | |
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Important Notice
Our weather forecast for Sligo 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 Sligo forecast closer to your planned date for the most up-to-date weather information.
Sligo in September - FAQ
What are the expected maximum and minimum temperatures in Sligo during September?
During September, expect a variety of temperatures with highs around 15° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in Sligo during September?
Moderate rainfall is anticipated in Sligo during September, with a total of 53.2 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Sligo during September?
The average wind speed in Sligo during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Sligo
Explore the daily rainfall trends and prepare for Sligos September weather 💧
UV exposure in Sligo during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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