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 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 into September, Catterall experiences an average high-temperature of a moderate 15.8°C (60.4°F), marking a minor shift from the preceding month. Throughout September, an average low-temperature of 10.5°C (50.9°F) is experienced.Humidity
The average relative humidity in September in Catterall is 84%.Rainfall
In Catterall, in September, it is raining for 16.4 days, with typically 49mm (1.93") of accumulated precipitation. Throughout the year, in Catterall, there are 221 rainfall days, and 680mm (26.77") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
In September, the average length of the day in Catterall is 12h and 41min.On the first day of September, sunrise is at 6:20 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:49 pm BST.
Sunshine
The average sunshine in September in Catterall, United Kingdom, is 6.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Catterall in September?
What is the average humidity in September in Catterall?
How much does it rain in Catterall in September?
When it does not snow in Catterall?
What is the average length of the day in September in Catterall?
What time are sunrise and sunset in September in Catterall?
How long on average sun shines in September in Catterall?
What is the month with the highest UV index in Catterall?
What is the UV index reading in September in Catterall?
Average temperature in September
Catterall, United Kingdom
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (12.3°C).
The coldest months (with the lowest average low temperature) are January and February (2.7°C).
Average pressure in September
Catterall, United Kingdom
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in September
Catterall, United Kingdom
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is December (20.1km/h).
The calmest month (with the lowest average wind speed) is June (13.2km/h).
Average humidity in September
Catterall, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Catterall, United Kingdom
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is August (81mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Catterall, United Kingdom
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is April (15.3 days).
Average snowfall in September
Catterall, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Catterall, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Catterall, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 6h and 4min
The months with the most sunshine are April and May (Average sunshine: 7h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Catterall, United Kingdom
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is April (12.3 days).
The month with the least sunshine days is August (5.7 days).
Average UV index in September
Catterall, 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
Catterall, United Kingdom
- Average cloud cover in September: 53
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in September
Catterall, 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).
