Cavan
September
Weather in Cavan for September 2025
Your guide to Cavan weather in September - trends and predictions
Until now, September 2025 in Cavan has been nearly identical to the historical average, with a temperature of 15.1 °C (showing only a slight deviation of 0 °C).
The forecast for the next days in Cavan predicts temperatures to be around 15 °C, close to the historical average.
In general, the average temperature in Cavan at the beginning of September is 16 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13.1 °C by the end of September.
Cavan in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 73.7 mm.
Temperatures
Rain 🌧️
12
Dry days
18
Rainy days
0
Snow days
15°/7°
Temperatures
18 km/h
Avg max wind
83 %
Avg humidity
Cavan Weather September
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Temperatures trend during September in Cavan
See the weather trend as well as the moving average line
September weather in Cavan day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 15° /9° | 2.8 mm | 4 | |
| 2 Sept. |  Patchy light drizzle | 17° /8° | 1.1 mm | 4 | |
| 3 Sept. | Light rain shower | 13° /9° | 14.7 mm | 3 | |
| 4 Sept. | Light rain shower | 17° /7° | 3.1 mm | 4 | |
| 5 Sept. |  Fog | 15° /7° | 0 mm | 4 | |
| 6 Sept. | Patchy rain possible | 19° /9° | 0.2 mm | 4 | |
| 7 Sept. | Light rain shower | 16° /7° | 4.1 mm | 4 | |
| 8 Sept. | Light rain shower | 15° /6° | 1.2 mm | 4 | |
| 9 Sept. | Patchy rain possible | 15° /8° | 1.5 mm | 4 | |
| 10 Sept. | Patchy rain possible | 14° /8° | 5.7 mm | 3 | |
| 11 Sept. | Patchy rain possible | 12° /7° | 3.2 mm | 3 | |
| 12 Sept. | Patchy rain possible | 13° /5° | 3.1 mm | 3 | |
| 13 Sept. |  Overcast | 11° /2° | 0.1 mm | 3 | |
| 14 Sept. |  Moderate rain | 15° /8° | 7 mm | 0.2 | |
| 15 Sept. | Patchy rain possible | 13° /11° | 4.9 mm | 0.7 | |
| 16 Sept. | Patchy rain possible | 16° /9° | 0.3 mm | 0.7 | |
| 17 Sept. | Patchy rain possible | 16° /9° | 3.2 mm | 0.1 | |
| 18 Sept. | Patchy rain possible | 16° /12° | 0.6 mm | 3 | |
| 19 Sept. | Patchy rain possible | 15° /9° | 3 mm | 3 | |
| 20 Sept. | Patchy rain possible | 17° /12° | 2.5 mm | 3 | |
| 21 Sept. | Patchy rain possible | 14° /9° | 1.7 mm | 3 | |
| 22 Sept. | Patchy rain possible | 13° /9° | 0.2 mm | 3 | |
| 23 Sept. | Patchy rain possible | 10° /7° | 0.4 mm | 2 | |
| 24 Sept. | Patchy rain possible | 14° /6° | 2.9 mm | 3 | |
| 25 Sept. | Patchy rain possible | 16° /12° | 2.5 mm | 3 | |
| 26 Sept. | Patchy rain possible | 15° /9° | 1.8 mm | 3 | |
| 27 Sept. |  Moderate rain at times | 11° /5° | 0.9 mm | 3 | |
| 28 Sept. | Patchy rain possible | 13° /5° | 0.7 mm | 3 | |
| 29 Sept. | Moderate rain at times | 12° /6° | 2.7 mm | 3 | |
| 30 Sept. | Light rain | 11° /6° | 3.5 mm | 3 | |
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Important Notice
Our weather forecast for Cavan 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 Cavan forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cavan in September - FAQ
What are the expected maximum and minimum temperatures in Cavan during September?
During September, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cavan during September?
Moderate rainfall is anticipated in Cavan during September, with a total of 73.7 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cavan during September?
The average wind speed in Cavan during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cavan
Explore the daily rainfall trends and prepare for Cavans September weather 💧
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