Measurements:
°C
°F
Belfast
38°F
E 4 mph
Feels like: 36°F
Precip: 0%
World Resorts United Kingdom Belfast Weather September Weather in Belfast

Belfast Weather: September

Average Day Temperature: 61.0°F
Average Night Temperature: 51.1°F
Sea Water Temperature: 58.4°F
Number of Sunny Days: 4 days
Sunshine Hours: 11.6 - 13.7 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.2 in

Air Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
12
24
36
48
60
72
84
96
Day Temperature   
Night Temperature

The highest day temperature in September 2024 was 71°F. The lowest night temperature was 40°F. The average values for day and night temperatures during September were 59.4°F и 49.6°F respectivly.

Belfast Water Sea Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
54
56
58
60
62
64
66

The average sea surface temperature in September 2024 for Belfast was 59.2°F. The maximum and minimum values were 58.2°F and 60.4°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
13%
37%
50%

Most of the days in September are gloomy but you can also expect sunny days.

Precipitation Totals in September, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.6
1.2
1.9
2.5
3.1
3.7
4.4

Precipitation total in September for Belfast is 2.2 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.3
4.6
6.9
9.1
11.4
13.7
16.0

The average wind speed in September is 10.0 mph.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.2
2.3
3.5
4.6
5.8
6.9
8.1

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Belfast in September is 5.2 hours.

Best Time to Visit Belfast
The most sunny months:
April 6 days
June 5 days
May 5 days
The most warm months:
July 64.7 °F
August 64.2 °F
June 62.2 °F
Warmest sea temperature:
August 58.4 °F
September 58.4 °F
July 57.1 °F
The most cold months:
January 43.1 °F
February 45.0 °F
December 45.1 °F
The most rainy months:
June 7 days
July 7 days
August 7 days
The most windy months:
February 13 mph
December 13 mph
January 12 mph

Belfast on the Weather Map

United Kingdom Resorts:
NAME
Bath +52
Belfast +38
Bournemouth +54
Brighton +56
Bristol +54
Edinburgh +44
Gibraltar +62
Glasgow +40
Liverpool +48
London +62
Middlesbrough +48
Plymouth +54
Scarborough +50
Torquay +52
York +52
24 Hours Weather Forecast
Belfast
Local time: 00:23
02 may, friday
0300 38°F
E
5 mph
0600 42°F
E
4 mph
0900 52°F
SE
9 mph
1200 56°F
SE
8 mph
1500 56°F
SE
9 mph
1800 52°F
S
9 mph
2100 42°F
SE
5 mph
03 may, saturday
0000 40°F
E
5 mph