World Resorts Ireland Killarney Weather

Killarney weather in September

Weather in Killarney: September

Average day temperature: 61.3°F
Average night temperature: 50.3°F
Sea water temperature: 59.0°F
Number of sunny days: 3 days
Day length: 11.7 - 13.6 hours
Number of rainy days: 6 days
Precipitation totals: 3.1 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 76°F. At the same time the lowest night temperature was 45°F. Day and night temperature averages during September were 62.3°F and 54.1°F.

Sea water temperature in Killarney in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 61.7°F. The highest and lowest sea temperatures during the month were 64.4°F and 58.6°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 Killarney in September is 3.4 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.2 mph It makes September one of the least windy months of the year.

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: 4.4.

Best time for vacation in Killarney

Sunniest months:
March 4 days
April 4 days
January 3 days
Warmest months:
July 64.7 °F
August 63.9 °F
June 62.2 °F
Warmest sea temp:
August 60.9 °F
July 60.5 °F
September 59.0 °F
Coldest months:
January 45.6 °F
December 47.0 °F
February 47.1 °F
Rainiest months:
December 10 days
November 9 days
January 9 days
Windiest months:
February 12.0 mph
December 11.5 mph
January 10.5 mph

Killarney on a weather map

Killarney
+52°F
E 11 mph
Feels like: +48°F
Precip.: 100%
Places in Ireland:
Name
°F
+52°F
+52°F
+50°F
+50°F
24 Hours Forecast
Killarney
Local time: 14:06
April 28, sunday
1500
52°F
E
11 mph
1800
50°F
E
7 mph
2100
41°F
N
5 mph
April 29, monday
0000
43°F
N
5 mph
0300
46°F
NW
5 mph
0600
46°F
NE
6 mph
0900
48°F
NE
6 mph
1200
54°F
E
11 mph
Units of measurement: °C / °F