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
Weather in September
Temperature
The arrival of September sees a recorded average high-temperature of an enjoyable 18.4°C (65.1°F), showing little divergence from the previous month's conditions. Throughout September, the nighttime temperature averages to a fresh 11.5°C (52.7°F).Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 11.3 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Roudham, during the entire year, the rain falls for 169.1 days and collects up to 379mm (14.92") of precipitation.Snowfall
In Roudham, United Kingdom, snow does not fall in April through October.Daylight
The average length of the day in September in Roudham is 12h and 40min.On the first day of September in Roudham, sunrise is at 6:08 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:35 pm BST.
Sunshine
In September, the average sunshine in Roudham is 7.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - It is counselled to guard against solar damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the temperature in September in Roudham?
What is the average humidity in September in Roudham?
How many days does it rain in September in Roudham?
When it does not snow in Roudham?
How many hours of daylight does Roudham have in September?
When is the sunrise / sunset in September in Roudham?
How long on average sun shines in September in Roudham?
How high is the UV index in September in Roudham?
Average temperature in September
Roudham, United Kingdom
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (21.2°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Roudham, United Kingdom
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in September
Roudham, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest months (with the highest average wind speed) are February and December (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Roudham, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Roudham, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Roudham, United Kingdom
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in September
Roudham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Roudham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.2 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
Roudham, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Roudham, United Kingdom
- Average sunshine days in September: 16 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Roudham, 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, March, November and December (UV index 2).
Average cloud cover in September
Roudham, United Kingdom
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 46).
Average visibility in September
Roudham, 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).
Roudham, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
