Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Rock Ferry experiences a transition to a still comfortable 16.8°C (62.2°F) in average high-temperatures with the arrival of September, not greatly differing from August's 18.7°C (65.7°F). Throughout the month of September, the nighttime temperature dips to an average of 10.9°C (51.6°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Rock Ferry, during September, the rain falls for 16.4 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, in Rock Ferry, there are 213.3 rainfall days, and 545mm (21.46") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Sea temperature
In Rock Ferry, in September, the average water temperature is 16.2°C (61.2°F).Note: Most people find it challenging to enjoy swimming in water that is 16.2°C (61.2°F). As water temperature falls below 21°C (69.8°F), controlling breathing grows increasingly difficult.
Daylight
In September, the average length of the day in Rock Ferry, United Kingdom, is 12h and 41min.On the first day of September, sunrise is at 6:22 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:50 pm BST.
Sunshine
In Rock Ferry, the average sunshine in September is 6.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Rock Ferry. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the average September temperature in Rock Ferry?
What is the average humidity in September in Rock Ferry?
How many days does it rain in September in Rock Ferry?
When it does not snow in Rock Ferry?
How cold is the water in September in Rock Ferry?
How many hours of daylight does Rock Ferry have in September?
When is the sunrise / sunset in September in Rock Ferry?
How long on average sun shines in September in Rock Ferry?
What are the months with the highest UV index in Rock Ferry?
What is the UV index reading in September in Rock Ferry?
Average temperature in September
Rock Ferry, United Kingdom
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).
Average pressure in September
Rock Ferry, United Kingdom
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in September
Rock Ferry, United Kingdom
- Average wind speed in September: 14.6km/h
The windiest month (with the highest average wind speed) is January (19.2km/h).
The calmest month (with the lowest average wind speed) is June (12.8km/h).
Average humidity in September
Rock Ferry, United Kingdom
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (85%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in September
Rock Ferry, United Kingdom
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is June (61mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Rock Ferry, United Kingdom
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is February (14.2 days).
Average snowfall in September
Rock Ferry, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Rock Ferry, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Rock Ferry, United Kingdom
- Average sea temperature in September: 16.2°C
The best month for swimming (with the highest average sea temperature) is August (16.7°C).
The coldest months (with the lowest average sea temperature) are February and March (7.4°C).
Average daylight in September /
Average sunshine in September
Rock Ferry, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 6h and 5min
The months with the most sunshine are April, May and July (Average sunshine: 7h and 42min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).
Average sunshine days in September
Rock Ferry, United Kingdom
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is April (12.3 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in September
Rock Ferry, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Rock Ferry, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in September
Rock Ferry, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Rock Ferry, United Kingdom
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