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
The introduction of September sees an average high-temperature of a still enjoyable 17°C (62.6°F), hardly deviating from August. Nighttime temperature lowers to an average of 11.3°C (52.3°F) in September.Humidity
In Countess Wear, the average relative humidity in September is 84%.Rainfall
In Countess Wear, in September, during 11.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Countess Wear, there are 171.2 rainfall days, and 453mm (17.83") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Countess Wear.Daylight
In Countess Wear, the average length of the day in September is 12h and 37min.On the first day of September in Countess Wear, sunrise is at 6:28 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:53 pm BST.
Sunshine
The average sunshine in September is 7.5h.UV index
The months with the highest UV index in Countess Wear, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Countess Wear in September?
What is the average humidity in September in Countess Wear?
How much does it rain in Countess Wear in September?
When it does not snow in Countess Wear?
How many hours of daylight does Countess Wear have in September?
When are sunrise and sunset in September in Countess Wear?
How long on average sun shines in September in Countess Wear?
What are the months with the highest UV index in Countess Wear?
How high is the UV index in September in Countess Wear?
Average temperature in September
Countess Wear, United Kingdom
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is February (7.9°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in September
Countess Wear, United Kingdom
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Countess Wear, United Kingdom
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is February (22.5km/h).
The calmest month (with the lowest average wind speed) is July (14.8km/h).
Average humidity in September
Countess Wear, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, October, November and December (86%).
The months with the lowest relative humidity are April, May and July (83%).
Average rainfall in September
Countess Wear, United Kingdom
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is May (24mm).
Average rainfall days in September
Countess Wear, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is November (17.8 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Countess Wear, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Countess Wear, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.3 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
Countess Wear, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 8h and 30min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).
Average sunshine days in September
Countess Wear, United Kingdom
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is November (8.6 days).
Average UV index in September
Countess Wear, 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
Countess Wear, United Kingdom
- Average cloud cover in September: 48
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is April (Cloud cover 45).
Average visibility in September
Countess Wear, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is February (10km).
The months with the lowest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).
