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
Withernsea, United Kingdom, signifies an average high-temperature of a still enjoyable 17.2°C (63°F) in September, closely mirroring the 19.5°C (67.1°F) of August. Withernsea experiences an average low-temperature reading of 12.1°C (53.8°F) throughout September.Humidity
The average relative humidity in September in Withernsea is 79%.Rainfall
In Withernsea, in September, during 9.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Withernsea, during the entire year, the rain falls for 153.7 days and collects up to 377mm (14.84") of precipitation.Snowfall
In Withernsea, snow does not fall in April through October.Daylight
The average length of the day in September in Withernsea is 12h and 41min.On the first day of September in Withernsea, United Kingdom, sunrise is at 6:09 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:38 pm BST.
Sunshine
The average sunshine in September is 7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Withernsea?
What is the average humidity in September in Withernsea?
How much does it rain in Withernsea in September?
When it does not snow in Withernsea?
What is the average length of the day in September in Withernsea?
What time are sunrise and sunset in September in Withernsea?
How many hours of sunshine does Withernsea have in September?
What is the UV index intensity in September in Withernsea?
Average temperature in September
Withernsea, United Kingdom
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Withernsea, United Kingdom
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Withernsea, United Kingdom
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is December (23.4km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in September
Withernsea, United Kingdom
- Average humidity in September: 79%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Withernsea, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is October (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Withernsea, United Kingdom
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in September
Withernsea, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Withernsea, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Withernsea, 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: 7h and 0min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 42min).
Average sunshine days in September
Withernsea, United Kingdom
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Withernsea, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Withernsea, United Kingdom
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are April, August and September (Cloud cover 49).
Average visibility in September
Withernsea, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, August, September and October (10km).
The months with the lowest visibility are January, May, June, July, November and December (9km).
