Hornsea Weather in September
What's the weather like in Hornsea (England) in September 2025?
The climate in Hornsea during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Hornsea and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 17.6°C 63.7°F |
|---|---|
| Nightly temperature | 10°C 50°F |
| Average temperature | 13.8°C 56.8°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 54 mm 2.1 ins |
| Rainy days | 14 days |
| Sea temperature | 14.8°C 58.6°F |
| Humidity | 84% |
| Windspeed | 19.1kph 12 mph |
On average September is the 5th wettest month of the year in Hornsea with around 54mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
September temperatures in Hornsea
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 Hornsea in September 2025.
Other monthly averages
Best places to visit in September
Hornsea weather stats
| Hottest month: | July | 19.3°C 66.7°F |
|---|---|---|
| Driest month: | February | 44mm 1.7ins |
| Sunniest month: | May | 6.7hrs |
| Coldest month: | January | 6.2°C 43.2°F |
| Wettest month: | November | 66mm 2.6ins |
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