Castleblayney Weather in September
What's the weather like in Castleblayney (Ulster) in September 2024?
The climate in Castleblayney during September can be summarized as mild and a little damp.
September is in the fall / autumn in Castleblayney and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 8°C (47°F) is normal.
| Daytime temperature | 16.1°C 60.9°F |
|---|---|
| Nightly temperature | 8.4°C 47°F |
| Average temperature | 12.2°C 54°F |
| Daily sunshine | 3.9 hrs |
| Avg rainfall | 90 mm 3.6 ins |
| Rainy days | 18 days |
| Sea temperature | 14.6°C 58.3°F |
| Humidity | 87% |
| Windspeed | 16.6kph 10 mph |
On average September is the 4th wettest month of the year in Castleblayney with around 90mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.9 hours of sunshine per day.
September temperatures in Castleblayney
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Castleblayney in September 2024.
Other monthly averages
Best places to visit in September
Castleblayney weather stats
| Hottest month: | July | 18.6°C 65.5°F |
|---|---|---|
| Driest month: | July | 65mm 2.6ins |
| Sunniest month: | May | 5.9hrs |
| Coldest month: | January | 6.3°C 43.3°F |
| Wettest month: | January | 101mm 4ins |
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