Belfast Weather: September
 |
Average Day Temperature: | 61.2°F |
|
Average Night Temperature: | 51.2°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: | 2.4 in | |
| detailed information | ||
forecast
| Belfast |
Temperature
| Belfast |
Air Temperature in September, °F
The highest day temperature in September 2023 was 79°F. The lowest night temperature was 43°F. The average values for day and night temperatures during September were 62.3°F и 53.3°F respectivly.
Belfast Water Sea Temperature in September, °F
The average sea surface temperature in September 2023 for Belfast was 60.4°F. The maximum and minimum values were 58.8°F and 62.0°F respectively.
Most of the days in September are gloomy but you can also expect sunny days.
Precipitation Totals in September, in
Precipitation total in September for Belfast is 2.4 in. It makes september one of the least rainy months of the year.
The average wind speed in September is 10.0 mph. It makes September one of the most windless months of the year for Belfast.
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.
Belfast on the Weather Map
| Bath |  |
+44 |
| Belfast |  |
+46 |
| Bournemouth | |
+48 |
| Brighton | |
+50 |
| Bristol | |
+44 |
| Edinburgh | |
+46 |
| Gibraltar |  |
+60 |
| Glasgow | |
+44 |
| Liverpool |  |
+50 |
| London | |
+50 |
| Middlesbrough | |
+44 |
| Plymouth | |
+48 |
| Scarborough | |
+44 |
| Torquay | |
+44 |
| York | |
+46 |
| 1800 |  |
46°F | W 5 mph |
| 2100 |  |
36°F | SW 2 mph |
| 0000 |  |
34°F | SE 4 mph |
| 0300 | |
36°F | SW 4 mph |
| 0600 | |
38°F | SE 4 mph |
| 0900 | |
46°F | S 7 mph |
| 1200 |  |
50°F | S 6 mph |
| 1500 | |
50°F | E 5 mph |