Belfast in Autumn — Weather & What to Expect
Autumn in Belfast (September, October, November) averages daytime highs of 13.6°C and lows of 8.4°C, with around 321.5mm of rain across the season (47 rainy days in total). It includes some of the best months of the year to visit (September, October, November).
In the northern hemisphere, autumn in Belfast covers September, October, November.
Autumn in Belfast month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| September | 16.9°C | 10.9°C | 110.3mm | 15 | 9/10 |
| October | 13.5°C | 8.6°C | 130.3mm | 18 | 9/10 |
| November | 10.4°C | 5.7°C | 80.9mm | 14 | 10/10 |
What to pack for Belfast in autumn
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
- Light waterproof layer
Frequently Asked Questions
Is autumn a good time to visit Belfast?
Autumn in Belfast rates around 9/10 — excellent time to visit. Average highs are 13.6°C with 321.5mm of rain across the season.
How hot is Belfast in autumn?
Daytime highs average 13.6°C (56.5°F) across September, October, November, with nights around 8.4°C.
What months are autumn in Belfast?
Belfast is in the northern hemisphere, so autumn covers September, October, November.
See also: best time to visit Belfast · Belfast annual climate · Belfast in spring · Belfast in summer · Belfast in winter
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Once you know what autumn in Belfast looks like, find out exactly what to pack for Belfast at 247PackingList. For currency, language and country facts, see the United Kingdom guide at 247CountryInfo.
Autumn in Belfast — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →Check clothing sizes in United Kingdom at 247Sizing before you shop.
More autumn travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.