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 commencement of September notes an average high-temperature of a still refreshing 17.9°C (64.2°F), exhibiting little difference from the previous month. Nighttime temperatures in September average to a fresh 12.5°C (54.5°F) in Lee-on-the-Solent.Humidity
April, May, July through September, with an average relative humidity of 80%, are the least humid months in Lee-on-the-Solent.Rainfall
In Lee-on-the-Solent, United Kingdom, during September, the rain falls for 10.2 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, there are 147.3 rainfall days, and 243mm (9.57") of precipitation is accumulated.Snowfall
March through October are months without snowfall in Lee-on-the-Solent.Daylight
In Lee-on-the-Solent, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 6:19 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:44 pm BST.
Sunshine
In Lee-on-the-Solent, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Lee-on-the-Solent?
What are the least humid months in Lee-on-the-Solent?
What is the average humidity in September in Lee-on-the-Solent?
How much does it rain in Lee-on-the-Solent in September?
When it does not snow in Lee-on-the-Solent?
How many hours of daylight does Lee-on-the-Solent have in September?
What time are sunrise and sunset in September in Lee-on-the-Solent?
How long on average sun shines in September in Lee-on-the-Solent?
What is the UV index intensity in September in Lee-on-the-Solent?
Average temperature in September
Lee-on-the-Solent, United Kingdom
- Average high temperature in September: 17.9°C
The warmest months (with the highest average high temperature) are July and August (19.8°C).
The months with the lowest average high temperature are January and February (7.8°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).
Average pressure in September
Lee-on-the-Solent, 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 (1010.7mbar).
Average wind speed in September
Lee-on-the-Solent, United Kingdom
- Average wind speed in September: 17.5km/h
The windiest month (with the highest average wind speed) is December (22.8km/h).
The calmest month (with the lowest average wind speed) is July (15.8km/h).
Average humidity in September
Lee-on-the-Solent, United Kingdom
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are April, May, July, August and September (80%).
Average rainfall in September
Lee-on-the-Solent, United Kingdom
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is November (33mm).
The driest months (with the least rainfall) are April and May (11mm).
Average rainfall days in September
Lee-on-the-Solent, United Kingdom
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is November (16.6 days).
The month with the least rainy days is April (9.4 days).
Average snowfall in September
Lee-on-the-Solent, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is November (6mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lee-on-the-Solent, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.7 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
Lee-on-the-Solent, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Lee-on-the-Solent, United Kingdom
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is April (17.7 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in September
Lee-on-the-Solent, 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 and November (UV index 2).
Average cloud cover in September
Lee-on-the-Solent, United Kingdom
- Average cloud cover in September: 41
The month with the most cloud cover is November (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 41).
Average visibility in September
Lee-on-the-Solent, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
