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 Runcton Holme transitions from August to September, the average high-temperatures adjust to a refreshing 17.8°C (64°F), nearly the same as the previous 20.3°C (68.5°F). An average low-temperature of 12°C (53.6°F) is observed during September nights in Runcton Holme.Humidity
In September, the average relative humidity in Runcton Holme is 79%.Rainfall
In September, in Runcton Holme, United Kingdom, the rain falls for 10.9 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Runcton Holme, during the entire year, the rain falls for 164.4 days and collects up to 382mm (15.04") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Runcton Holme, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:46 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:37 pm BST.
Sunshine
In Runcton Holme, the average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Runcton Holme in September?
What is the average humidity in September in Runcton Holme?
How many days does it rain in September in Runcton Holme?
When it does not snow in Runcton Holme?
How many hours of daylight does Runcton Holme have in September?
When is the sunrise / sunset in September in Runcton Holme?
How long on average sun shines in September in Runcton Holme?
What is the UV index reading in September in Runcton Holme?
Average temperature in September
Runcton Holme, United Kingdom
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in September
Runcton Holme, United Kingdom
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in September
Runcton Holme, United Kingdom
- Average wind speed in September: 16km/h
The windiest month (with the highest average wind speed) is December (21.7km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in September
Runcton Holme, United Kingdom
- Average humidity in September: 79%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Runcton Holme, United Kingdom
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Runcton Holme, United Kingdom
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is September (10.9 days).
Average snowfall in September
Runcton Holme, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Runcton Holme, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 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
Runcton Holme, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Runcton Holme, United Kingdom
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Runcton Holme, 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
Runcton Holme, United Kingdom
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 45).
Average visibility in September
Runcton Holme, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are March and August (10km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (9km).
