Sligo
September
Weather in Sligo for September 2026
Your guide to Sligo weather in September - trends and predictions
In general, the average temperature in Sligo at the beginning of September is 16.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.3 °C by the end of September.
Sligo experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 99.8 mm.
Temperatures
Rain 🌧️
8
Dry days
22
Rainy days
0
Snow days
15°/8°
Temperatures
24 km/h
Avg max wind
83 %
Avg humidity
Sligo Weather September
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Temperatures trend during September in Sligo
See the weather trend as well as the moving average line
September weather in Sligo day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 17° /9° | 6.4 mm | 4 | |
| 2 Sept. | Light rain shower | 16° /9° | 3.9 mm | 4 | |
| 3 Sept. | Light rain shower | 14° /8° | 4 mm | 3 | |
| 4 Sept. | Light rain shower | 15° /8° | 3 mm | 4 | |
| 5 Sept. |  Cloudy | 17° /8° | 0.1 mm | 4 | |
| 6 Sept. |  Sunny | 21° /10° | 0.9 mm | 5 | |
| 7 Sept. |  Partly cloudy | 18° /10° | 2.4 mm | 5 | |
| 8 Sept. | Patchy rain possible | 15° /8° | 1.1 mm | 4 | |
| 9 Sept. | Patchy rain possible | 14° /9° | 1.2 mm | 3 | |
| 10 Sept. | Light rain shower | 13° /8° | 9.9 mm | 3 | |
| 11 Sept. | Light rain shower | 12° /8° | 9 mm | 3 | |
| 12 Sept. | Light rain shower | 12° /6° | 6.8 mm | 3 | |
| 13 Sept. |  Light rain | 13° /5° | 8 mm | 3 | |
| 14 Sept. | Light drizzle | 16° /9° | 6.8 mm | 4 | |
| 15 Sept. | Patchy rain possible | 15° /10° | 9 mm | 4 | |
| 16 Sept. | Patchy rain possible | 15° /8° | 2.8 mm | 4 | |
| 17 Sept. | Partly cloudy | 18° /11° | 3.3 mm | 5 | |
| 18 Sept. | Sunny | 18° /9° | 2 mm | 5 | |
| 19 Sept. | Sunny | 17° /9° | 0.1 mm | 5 | |
| 20 Sept. | Sunny | 16° /9° | 1.1 mm | 4 | |
| 21 Sept. | Sunny | 15° /8° | 0.5 mm | 4 | |
| 22 Sept. | Patchy rain possible | 15° /7° | 0.1 mm | 4 | |
| 23 Sept. | Cloudy | 14° /6° | 0 mm | 4 | |
| 24 Sept. | Light rain shower | 13° /6° | 0.6 mm | 3 | |
| 25 Sept. | Patchy rain possible | 14° /6° | 0.3 mm | 4 | |
| 26 Sept. | Light rain | 12° /7° | 2.7 mm | 3 | |
| 27 Sept. | Light rain shower | 12° /7° | 5.7 mm | 3 | |
| 28 Sept. | Patchy rain possible | 14° /7° | 2.7 mm | 3 | |
| 29 Sept. | Light rain shower | 14° /7° | 2.1 mm | 4 | |
| 30 Sept. | Light drizzle | 14° /9° | 3.3 mm | 4 | |
| Next | |||||
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.
Change Month
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 8°, 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 99.8 mm spread over approximately 22 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 24 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 💧
Typically, Sligo has 22 rainy days in September with a total of 99.8 mm of rainfall.
UV exposure in Sligo during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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