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 average high-temperature for September is a still refreshing 18°C (64.4°F), closely aligning with the temperature of the preceding month. In September, Waterlooville experiences an average nighttime temperature of 12.2°C (54°F).Humidity
The average relative humidity in September in Waterlooville, United Kingdom, is 80%.Rainfall
In September, in Waterlooville, the rain falls for 11.5 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, there are 175.3 rainfall days, and 435mm (17.13") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Waterlooville is 12h and 38min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:49 pm. On the last day of September, in Waterlooville, sunrise is at 7:03 am and sunset at 6:44 pm BST.
Sunshine
In Waterlooville, the average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Waterlooville is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 4 in September transforms into this advice:
Undertake protective steps - Preventing sun damage is advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Waterlooville in September?
What is the average humidity in September in Waterlooville?
How much does it rain in Waterlooville in September?
When it does not snow in Waterlooville?
How many hours of daylight does Waterlooville have in September?
What time are sunrise and sunset in September in Waterlooville?
How long on average sun shines in September in Waterlooville?
What is the UV index intensity in September in Waterlooville?
Average temperature in September
Waterlooville, United Kingdom
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (3.9°C).
Average pressure in September
Waterlooville, 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 (1010.8mbar).
Average wind speed in September
Waterlooville, United Kingdom
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in September
Waterlooville, United Kingdom
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is July (79%).
Average rainfall in September
Waterlooville, United Kingdom
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Waterlooville, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is November (18.4 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Waterlooville, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Waterlooville, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Waterlooville, 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 0min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Waterlooville, United Kingdom
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is November (9.3 days).
Average UV index in September
Waterlooville, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and 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
Waterlooville, United Kingdom
- Average cloud cover in September: 43
The month with the most cloud cover is November (Cloud cover 60).
The months with the least cloud cover are July and September (Cloud cover 43).
Average visibility in September
Waterlooville, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are March and June (10km).
The months with the lowest visibility are January, February, April, May, July, August, September, October, November and December (9km).
