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
September
Weather in September
Temperature
Transitioning from August to September, Crosby observes an average high-temperature of a still comfortable 16.6°C (61.9°F), differing subtly from the previous month. In Crosby, nights during September observe an average temperature decrease to a cool 11.7°C (53.1°F).Humidity
In September, the average relative humidity in Crosby, United Kingdom, is 80%.Rainfall
In September, in Crosby, the rain falls for 13 days. Throughout September, 29mm (1.14") of precipitation is accumulated. Throughout the year, there are 173.2 rainfall days, and 403mm (15.87") of precipitation is accumulated.Snowfall
May through November are months without snowfall in Crosby, United Kingdom.Sea temperature
In Crosby, in September, the average water temperature is 16.2°C (61.2°F).Note: Most people do not find swimming enjoyable in water of 16.2°C (61.2°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 6:22 am and sunset at 8:01 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:50 pm BST.
Sunshine
The average sunshine in September in Crosby is 6.7h.UV index
The months with the highest UV index in Crosby are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Crosby?
What is the average humidity in September in Crosby?
How many days does it rain in September in Crosby?
When it does not snow in Crosby?
What is the sea water temperature in September in Crosby?
What is the average length of the day in September in Crosby?
When are sunrise and sunset in September in Crosby?
How long on average sun shines in September in Crosby?
What are the months with the highest UV index in Crosby?
What is the UV index intensity in September in Crosby?
Average temperature in September
Crosby, United Kingdom
- Average high temperature in September: 16.6°C
The warmest months (with the highest average high temperature) are July and August (18.4°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (3.6°C).
Average pressure in September
Crosby, United Kingdom
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Crosby, United Kingdom
- Average wind speed in September: 16.2km/h
The windiest month (with the highest average wind speed) is January (21.4km/h).
The calmest month (with the lowest average wind speed) is June (14km/h).
Average humidity in September
Crosby, United Kingdom
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Crosby, United Kingdom
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Crosby, United Kingdom
- Average rainfall days in September: 13 days
The months with the highest number of rainy days are August and November (16.8 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in September
Crosby, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Crosby, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Crosby, 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
Crosby, 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 4min
The month with the most sunshine is April (Average sunshine: 7h and 54min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Crosby, United Kingdom
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (17 days).
The month with the least sunshine days is November (10.5 days).
Average UV index in September
Crosby, 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
Crosby, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in September
Crosby, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (10km).
The months with the lowest visibility are January and July (9km).
