10-day forecast — Belfast
Refreshed hourly
Mon · Today · 28 Sep
Sunny
58°
43°
15%
Wind9 mph S
Gusts22 mph
UV index2 – Low
Precip chance15%
Sunrise7:20 AM
Sunset7:08 PM
Tue · Tomorrow · 29 Sep
Mostly cloudy
62°
50°
30%
Wind21 mph SE
Gusts41 mph
UV index2 – Low
Precip chance30%
Sunrise7:22 AM
Sunset7:05 PM
Wednesday · 30 Sep
Showers
62°
48°
0.75 in
Wind22 mph SE
Gusts46 mph
UV index2 – Low
Precip chance85%
Sunrise7:24 AM
Sunset7:03 PM
Thursday · 1 Oct
Sunny
59°
46°
0.08 in
Wind17 mph S
Gusts34 mph
UV index2 – Low
Precip chance68%
Sunrise7:26 AM
Sunset7:00 PM
Friday · 2 Oct
Sunny
57°
43°
20%
Wind11 mph W
Gusts15 mph
UV index4 – Moderate
Precip chance20%
Sunrise7:28 AM
Sunset6:58 PM
Saturday · 3 Oct
Mostly cloudy
57°
43°
26%
Wind7 mph W
Gusts12 mph
UV index3 – Moderate
Precip chance26%
Sunrise7:30 AM
Sunset6:55 PM
Sunday · 4 Oct
Sunny
61°
45°
12%
Wind4 mph SW
Gusts4 mph
UV index5 – Moderate
Precip chance12%
Sunrise7:32 AM
Sunset6:53 PM
Monday · 5 Oct
Partly cloudy
62°
45°
14%
Wind5 mph S
Gusts13 mph
UV index5 – Moderate
Precip chance14%
Sunrise7:33 AM
Sunset6:50 PM
Tuesday · 6 Oct
Sunny
61°
48°
11%
Wind9 mph E
Gusts12 mph
UV index5 – Moderate
Precip chance11%
Sunrise7:35 AM
Sunset6:48 PM
Wednesday · 7 Oct
Sunny
59°
48°
15%
Wind13 mph E
Gusts27 mph
UV index4 – Moderate
Precip chance15%
Sunrise7:37 AM
Sunset6:45 PM
Thursday · 8 Oct
Sunny
59°
50°
12%
Wind19 mph E
Gusts28 mph
UV index4 – Moderate
Precip chance12%
Sunrise7:39 AM
Sunset6:43 PM
Friday · 9 Oct
Showers
54°
51°
0.13 in
Wind14 mph E
Gusts26 mph
UV index3 – Moderate
Precip chance84%
Sunrise7:41 AM
Sunset6:40 PM
Saturday · 10 Oct
Mostly cloudy
58°
46°
22%
Wind16 mph E
Gusts33 mph
UV index4 – Moderate
Precip chance22%
Sunrise7:43 AM
Sunset6:38 PM
Sunday · 11 Oct
Showers
61°
56°
0.28 in
Wind20 mph E
Gusts38 mph
UV index4 – Moderate
Precip chance90%
Sunrise7:45 AM
Sunset6:35 PM
About Belfast
CountryUnited Kingdom
RegionNorthern Ireland
Population348,005
ContinentEurope
Time zoneEurope/London (+01:00)
Latitude54.5970°
Longitude-5.9300°
Air QualityGood (AQI 20)
Details & indices
Wind
7 mph SW
Gusts 20 mph
Humidity
92%
Dew point 43°
Pressure
29.97 inHg
Rising
UV index
2 — Low
High today
Air Quality
Good
AQI 20 · US EPA
Visibility
6 mi
Clear view
Sun & moon
Sunrise7:20 AM
Sunset7:08 PM
Length of day11h 48m
Moonrise7:07 PM
Moonset9:43 AM
Moon phase🌔 Waning Gibbous
Local time2:09 AM (+01:00)
Belfast climate in September
8-year averages · when to visit
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 59°F | 55°F | ▼ 52°F |
| Typical high | ▼ 64°F | 61°F | ▼ 55°F |
| Typical low | ▼ 54°F | 50°F | ▼ 46°F |
| Precipitation | ▼ 4.3 in | 3.9 in | ▲ 4.3 in |
| 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 · °F
September precipitation day by day in
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: 2:09 AM
Belfast, United Kingdom · 54.60°N, 5.93°W · Europe/London · Forecast computed for these exact coordinates