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
Walberton ushers in September with an average high-temperature of a still comfortable 17.8°C (64°F), showing a close resemblance to the previous month. The temperature during September experiences a small drop from daytime peaks, recording an average of 13°C (55.4°F) at night.Humidity
The least humid month in Walberton is September, with an average relative humidity of 79%.Rainfall
In September, the rain falls for 12.6 days. Throughout September, 33mm (1.3") of precipitation is accumulated. Throughout the year, there are 183.3 rainfall days, and 504mm (19.84") of precipitation is accumulated.Snowfall
In Walberton, snow does not fall in March through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:47 pm. On the last day of September, in Walberton, sunrise is at 7:02 am and sunset at 6:42 pm BST.
Sunshine
In September, the average sunshine in Walberton is 8.3h.UV index
In Walberton, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Walberton?
What is the least humid month in Walberton?
What is the average humidity in September in Walberton?
How many days does it rain in September in Walberton?
When it does not snow in Walberton?
What is the average length of the day in September in Walberton?
What time are sunrise and sunset in September in Walberton?
How long on average sun shines in September in Walberton?
What is the UV index reading in September in Walberton?
Average temperature in September
Walberton, United Kingdom
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is February (7.7°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in September
Walberton, United Kingdom
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in September
Walberton, United Kingdom
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest month (with the lowest average wind speed) is July (16.9km/h).
Average humidity in September
Walberton, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Walberton, United Kingdom
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Walberton, United Kingdom
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is November (18.8 days).
The month with the least rainy days is September (12.6 days).
Average snowfall in September
Walberton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Walberton, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.8 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
Walberton, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Walberton, United Kingdom
- Average sunshine days in September: 13 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is November (8.3 days).
Average UV index in September
Walberton, 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 and February (UV index 2).
Average cloud cover in September
Walberton, United Kingdom
- Average cloud cover in September: 40
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Walberton, 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).
