10-day forecast — Belfast
Refreshed hourly
Wed · Today · 30 Sep
Showers
16°
10°
0.83 in
Wind22 mph SE
Gusts43 mph
UV index2 – Low
Precip chance82%
Sunrise7:24 AM
Sunset7:03 PM
Thu · Tomorrow · 1 Oct
Sunny
15°
8°
20%
Wind14 mph S
Gusts30 mph
UV index2 – Low
Precip chance20%
Sunrise7:26 AM
Sunset7:00 PM
Friday · 2 Oct
Showers
16°
11°
0.09 in
Wind13 mph SW
Gusts28 mph
UV index2 – Low
Precip chance78%
Sunrise7:28 AM
Sunset6:58 PM
Saturday · 3 Oct
Fog
15°
7°
0.01 in
Wind9 mph SW
Gusts24 mph
UV index2 – Low
Precip chance40%
Sunrise7:29 AM
Sunset6:55 PM
Sunday · 4 Oct
Mostly cloudy
17°
12°
0.00 in
Wind15 mph SW
Gusts28 mph
UV index5 – Moderate
Precip chance34%
Sunrise7:31 AM
Sunset6:53 PM
Monday · 5 Oct
Showers
16°
9°
0.04 in
Wind17 mph SW
Gusts32 mph
UV index4 – Moderate
Precip chance70%
Sunrise7:33 AM
Sunset6:50 PM
Tuesday · 6 Oct
Sunny
12°
6°
0.00 in
Wind17 mph W
Gusts30 mph
UV index4 – Moderate
Precip chance19%
Sunrise7:35 AM
Sunset6:48 PM
Wednesday · 7 Oct
Mostly cloudy
12°
6°
0.08 in
Wind21 mph SW
Gusts44 mph
UV index3 – Moderate
Precip chance75%
Sunrise7:37 AM
Sunset6:45 PM
Thursday · 8 Oct
Showers
14°
10°
0.33 in
Wind25 mph SW
Gusts50 mph
UV index3 – Moderate
Precip chance92%
Sunrise7:39 AM
Sunset6:43 PM
Friday · 9 Oct
Mostly cloudy
16°
11°
28%
Wind23 mph W
Gusts42 mph
UV index5 – Moderate
Precip chance28%
Sunrise7:41 AM
Sunset6:40 PM
Saturday · 10 Oct
Showers
12°
7°
0.03 in
Wind25 mph W
Gusts44 mph
UV index3 – Moderate
Precip chance47%
Sunrise7:43 AM
Sunset6:38 PM
Sunday · 11 Oct
Partly cloudy
11°
5°
21%
Wind13 mph NW
Gusts20 mph
UV index3 – Moderate
Precip chance21%
Sunrise7:45 AM
Sunset6:35 PM
Monday · 12 Oct
Mostly cloudy
11°
5°
24%
Wind15 mph NW
Gusts24 mph
UV index3 – Moderate
Precip chance24%
Sunrise7:47 AM
Sunset6:33 PM
Tuesday · 13 Oct
Partly cloudy
12°
7°
30%
Wind12 mph N
Gusts24 mph
UV index4 – Moderate
Precip chance30%
Sunrise7:48 AM
Sunset6:30 PM
About Belfast
CountryUnited Kingdom
RegionNorthern Ireland
Population348,005
ContinentEurope
Time zoneEurope/London (+01:00)
Latitude54.5970°
Longitude-5.9300°
Air QualityGood (AQI 28)
Details & indices
Wind
11 mph S
Gusts 27 mph
Humidity
94%
Dew point 12°
Pressure
29.47 inHg
Falling
UV index
2 — Low
High today
Air Quality
Good
AQI 28 · US EPA
Visibility
6 mi
Clear view
Sun & moon
Sunrise7:24 AM
Sunset7:03 PM
Length of day11h 39m
Moonrise7:40 PM
Moonset12:33 PM
Moon phase🌔 Waning Gibbous
Local time5:53 AM (+01:00)
Belfast climate in September
8-year averages · when to visit
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 15°C | 13°C | ▼ 11°C |
| Typical high | ▼ 18°C | 16°C | ▼ 13°C |
| Typical low | ▼ 12°C | 10°C | ▼ 8°C |
| Precipitation | ▼ 108 mm | 99 mm | ▲ 109 mm |
| Wet days | ▼ 18 d | 15 d | ▲ 16 d |
| Humidity | ▲ 80% | 83% | ▲ 85% |
| Sunshine per day | ▼ 9.6 h | 7.7 h | ▼ 5.4 h |
| Cloud cover | ▲ 36% | 39% | ▲ 48% |
| Midday UV | ▼ 7 | 5 | ▼ 2 |
| Daylight | 14:51 | 12:42 | 10:29 |
| Our take | Acceptable | Acceptable | Poor |
September temperatures day by day daily mean + smoothed trend · °C
September precipitation day by day mm
September UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 5:53 AM
Belfast, United Kingdom · 54.60°N, 5.93°W · Europe/London · Forecast computed for these exact coordinates