Rostrevor Weather in September
What's the weather like in Rostrevor (N Ireland) in September 2024?
The climate in Rostrevor during September can be summarized as mild and damp.
September is in the fall / autumn in Rostrevor and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 9°C (47°F) is normal.
| Daytime temperature | 15.8°C 60.4°F |
|---|---|
| Nightly temperature | 8.5°C 47.2°F |
| Average temperature | 12.1°C 53.8°F |
| Daily sunshine | 4.3 hrs |
| Avg rainfall | 110 mm 4.3 ins |
| Rainy days | 17 days |
| Sea temperature | 14.6°C 58.3°F |
| Humidity | 86% |
| Windspeed | 17.6kph 11 mph |
On average September is the 5th wettest month of the year in Rostrevor with around 110mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.3 hours of sunshine per day.
September temperatures in Rostrevor
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 Rostrevor in September 2024.
Other monthly averages
Best places to visit in September
Rostrevor weather stats
| Hottest month: | July | 18.2°C 64.8°F |
|---|---|---|
| Driest month: | July | 76mm 3ins |
| Sunniest month: | May | 6.2hrs |
| Coldest month: | January | 6.4°C 43.5°F |
| Wettest month: | January | 132mm 5.2ins |
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