World Resorts Ireland Killarney Weather

Killarney weather in September

Weather in Killarney: September

Average day temperature: 61.2°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: 5 days
Precipitation totals: 3.0 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 70°F. At the same time the lowest night temperature was 37°F. Day and night temperature averages during September were 60.1°F and 49.9°F.

Sea water temperature in Killarney in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 59.4°F. The highest and lowest sea temperatures during the month were 61.5°F and 57.7°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 3.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.1 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: 4.3.

Best time for vacation in Killarney

Sunniest months:
March 4 days
April 4 days
January 3 days
Warmest months:
July 64.5 °F
August 63.8 °F
June 62.0 °F
Warmest sea temp:
August 61.0 °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
+25°F
NE 3 mph
Feels like: +21°F
Precip.: 100%
Places in Ireland:
Name
°F
+30°F
+25°F
+27°F
+27°F
24 Hours Forecast
Killarney
Local time: 17:41
November 21, thursday
1800
25°F
NE
3 mph
2100
25°F
NE
4 mph
November 22, friday
0000
27°F
NE
4 mph
0300
27°F
NE
5 mph
0600
30°F
E
5 mph
0900
28°F
NE
4 mph
1200
34°F
NE
4 mph
1500
34°F
N
4 mph
Units of measurement: °C / °F