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
September's weather records an average high-temperature of a comfortable 18.2°C (64.8°F), showing little deviation from August. Throughout the month of September, the average temperature dips to a fresh 12.5°C (54.5°F) at night.Humidity
In Headcorn, the average relative humidity in September is 79%.Rainfall
In Headcorn, during September, the rain falls for 11.5 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, there are 165.3 rainfall days, and 370mm (14.57") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 6:11 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:37 pm BST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index in Headcorn, United Kingdom, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Headcorn?
Average temperature in September
Headcorn, United Kingdom
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in September
Headcorn, 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 (1011mbar).
Average wind speed in September
Headcorn, United Kingdom
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14.9km/h).
Average humidity in September
Headcorn, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Headcorn, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Headcorn, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is November (16.4 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Headcorn, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Headcorn, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.4 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
Headcorn, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
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 August (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Headcorn, United Kingdom
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in September
Headcorn, 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
Headcorn, United Kingdom
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Headcorn, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
