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
Gate Helmsley records an average high-temperature of a still comfortable 17.4°C (63.3°F) in September, closely mirroring the climate of the previous month. Gate Helmsley sees an average low-temperature of 9.7°C (49.5°F) during September.Humidity
In September, the average relative humidity in Gate Helmsley is 81%.Rainfall
In Gate Helmsley, in September, it is raining for 12.5 days, with typically 26mm (1.02") of accumulated precipitation. In Gate Helmsley, during the entire year, the rain falls for 172.6 days and collects up to 382mm (15.04") of precipitation.Snowfall
In Gate Helmsley, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September, sunrise is at 6:13 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:42 pm BST.
Sunshine
The average sunshine in September in Gate Helmsley is 6.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Gate Helmsley. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Gate Helmsley?
What is the average humidity in September in Gate Helmsley?
How many days does it rain in September in Gate Helmsley?
When it does not snow in Gate Helmsley?
How many hours of daylight does Gate Helmsley have in September?
When are sunrise and sunset in September in Gate Helmsley?
How many hours of sunshine does Gate Helmsley have in September?
When is the highest UV index in Gate Helmsley?
How high is the UV index in September in Gate Helmsley?
Average temperature in September
Gate Helmsley, United Kingdom
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Gate Helmsley, United Kingdom
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Gate Helmsley, United Kingdom
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest month (with the lowest average wind speed) is June (11.8km/h).
Average humidity in September
Gate Helmsley, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (79%).
Average rainfall in September
Gate Helmsley, United Kingdom
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Gate Helmsley, United Kingdom
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Gate Helmsley, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Gate Helmsley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 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
Gate Helmsley, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The months with the least sunshine are February and November (Average sunshine: 3h and 54min).
Average sunshine days in September
Gate Helmsley, United Kingdom
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is December (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Gate Helmsley, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Gate Helmsley, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Gate Helmsley, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, July and August (9km).
The months with the lowest visibility are January, June, September, October, November and December (8km).
