World Resorts Ireland Dublin Weather

Dublin weather in September

Weather in Dublin: September

Average day temperature: 60.9°F
Average night temperature: 52.4°F
Sea water temperature: 58.8°F
Number of sunny days: 6 days
Day length: 11.7 - 13.7 hours
Number of rainy days: 5 days
Precipitation totals: 2.7 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 66°F. At the same time the lowest night temperature was 37°F. Day and night temperature averages during September were 58.8°F and 50.3°F.

Sea water temperature in Dublin in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 58.7°F. The highest and lowest sea temperatures during the month were 60.3°F and 57.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Dublin in September is 3.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 9.6 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.1.

Best time for vacation in Dublin

Sunniest months:
April 7 days
September 6 days
March 6 days
Warmest months:
July 64.7 °F
August 64.2 °F
June 61.4 °F
Warmest sea temp:
August 59.6 °F
September 58.8 °F
July 58.7 °F
Coldest months:
January 45.0 °F
February 46.5 °F
December 46.5 °F
Rainiest months:
November 6 days
June 6 days
December 6 days
Windiest months:
December 14.0 mph
February 13.9 mph
January 13.2 mph

Dublin on a weather map

Dublin
+30°F
E 11 mph
Feels like: +21°F
Precip.: 0%
Places in Ireland:
Name
°F
+30°F
+25°F
+30°F
+27°F
24 Hours Forecast
Dublin
Local time: 18:39
November 21, thursday
2100
30°F
E
14 mph
November 22, friday
0000
30°F
E
14 mph
0300
30°F
E
14 mph
0600
30°F
E
13 mph
0900
30°F
E
12 mph
1200
37°F
E
11 mph
1500
36°F
E
9 mph
1800
32°F
NE
6 mph
Units of measurement: °C / °F