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
Old Bolingbroke's September showcases an average high-temperature of a comfortable 18.1°C (64.6°F), hardly distinct from August's 20.7°C (69.3°F). Old Bolingbroke's average low-temperature in September is measured at a fresh 11.4°C (52.5°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Old Bolingbroke, during September, the rain falls for 10 days and regularly aggregates up to 20mm (0.79") of precipitation. In Old Bolingbroke, during the entire year, the rain falls for 155.1 days and collects up to 282mm (11.1") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Old Bolingbroke is 12h and 40min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:38 pm BST.
Sunshine
The average sunshine in September in Old Bolingbroke is 7.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Old Bolingbroke?
What is the average humidity in September in Old Bolingbroke?
How much does it rain in Old Bolingbroke in September?
When it does not snow in Old Bolingbroke?
What is the average length of the day in September in Old Bolingbroke?
What time are sunrise and sunset in September in Old Bolingbroke?
How long on average sun shines in September in Old Bolingbroke?
What is the UV index intensity in September in Old Bolingbroke?
Average temperature in September
Old Bolingbroke, United Kingdom
- Average high temperature in September: 18.1°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 (5.9°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Old Bolingbroke, United Kingdom
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed in September
Old Bolingbroke, United Kingdom
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is December (19.8km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in September
Old Bolingbroke, United Kingdom
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Old Bolingbroke, United Kingdom
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is June (38mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Old Bolingbroke, United Kingdom
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Old Bolingbroke, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Old Bolingbroke, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Old Bolingbroke, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Old Bolingbroke, United Kingdom
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in September
Old Bolingbroke, 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
Old Bolingbroke, United Kingdom
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 47).
Average visibility in September
Old Bolingbroke, 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).
