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 shift into September finds Halewood at an average high-temperature of a still enjoyable 16.8°C (62.2°F), closely comparable to August's conditions. In the month of September, Halewood's average low-temperature falls to a fresh 10.5°C (50.9°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In Halewood, United Kingdom, during September, the rain falls for 15.1 days and regularly aggregates up to 39mm (1.54") of precipitation. In Halewood, during the entire year, the rain falls for 203.8 days and collects up to 519mm (20.43") of precipitation.Snowfall
In Halewood, snow does not fall in May through October.Daylight
In Halewood, the average length of the day in September is 12h and 41min.On the first day of September in Halewood, sunrise is at 6:21 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:50 pm BST.
Sunshine
In September, the average sunshine in Halewood, United Kingdom, is 6.9h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. 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 are September temperatures in Halewood?
What is the average humidity in September in Halewood?
How much does it rain in Halewood in September?
When it does not snow in Halewood?
What is the average length of the day in September in Halewood?
When is the sunrise / sunset in September in Halewood?
How many hours of sunshine does Halewood have in September?
How high is the UV index in September in Halewood?
Average temperature in September
Halewood, United Kingdom
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (2.7°C).
Average pressure in September
Halewood, United Kingdom
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in September
Halewood, United Kingdom
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is January (18.5km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).
Average humidity in September
Halewood, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in September
Halewood, United Kingdom
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Halewood, United Kingdom
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is March (14.1 days).
Average snowfall in September
Halewood, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Halewood, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 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
Halewood, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 6h and 5min
The months with the most sunshine are April, May and July (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Halewood, United Kingdom
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is March (13.8 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in September
Halewood, 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
Halewood, United Kingdom
- Average cloud cover in September: 52
The months with the most cloud cover are January, November and December (Cloud cover 59).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in September
Halewood, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
