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
As Helperthorpe welcomes September, the average high-temperature stabilizes at a still refreshing 16.5°C (61.7°F), showing little deviation from August's 18.9°C (66°F). Throughout September, the temperature in Helperthorpe tends to fall to a consistent average low of 11.1°C (52°F).Humidity
In Helperthorpe, United Kingdom, the average relative humidity in September is 81%.Rainfall
In Helperthorpe, United Kingdom, during September, the rain falls for 12.7 days and regularly aggregates up to 19mm (0.75") of precipitation. In Helperthorpe, during the entire year, the rain falls for 160.1 days and collects up to 311mm (12.24") of precipitation.Snowfall
May through October are months without snowfall in Helperthorpe.Daylight
The average length of the day in September is 12h and 42min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:52 pm. On the last day of September, in Helperthorpe, sunrise is at 7:03 am and sunset at 6:40 pm BST.
Sunshine
In September, the average sunshine is 7.1h.UV index
In Helperthorpe, United Kingdom, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Helperthorpe?
What is the average humidity in September in Helperthorpe?
How many days does it rain in September in Helperthorpe?
When it does not snow in Helperthorpe?
What is the average length of the day in September in Helperthorpe?
When is the sunrise / sunset in September in Helperthorpe?
How many hours of sunshine does Helperthorpe have in September?
What is the UV index reading in September in Helperthorpe?
Average temperature in September
Helperthorpe, United Kingdom
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in September
Helperthorpe, United Kingdom
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in September
Helperthorpe, United Kingdom
- Average wind speed in September: 15.7km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is June (13.7km/h).
Average humidity in September
Helperthorpe, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (79%).
Average rainfall in September
Helperthorpe, United Kingdom
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Helperthorpe, United Kingdom
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Helperthorpe, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Helperthorpe, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Helperthorpe, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is August (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).
Average sunshine days in September
Helperthorpe, United Kingdom
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is November (11.7 days).
Average UV index in September
Helperthorpe, 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
Helperthorpe, United Kingdom
- Average cloud cover in September: 50
The months with the most cloud cover are February and November (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in September
Helperthorpe, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
