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
As Bisterne transitions from August to September, the average high-temperatures adjust to a still comfortable 17.8°C (64°F), nearly the same as the previous 19.4°C (66.9°F). During the month of September, Bisterne's nighttime temperature lowers to an average of 12.3°C (54.1°F).Humidity
The months with the lowest humidity in Bisterne are April, May, July through September, with an average relative humidity of 81%.Rainfall
In Bisterne, during September, the rain falls for 13.2 days and regularly aggregates up to 30mm (1.18") of precipitation. In Bisterne, during the entire year, the rain falls for 185.8 days and collects up to 513mm (20.2") of precipitation.Snowfall
In Bisterne, snow does not fall in March through October.Daylight
In September, the average length of the day in Bisterne is 12h and 37min.On the first day of September, sunrise is at 6:21 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:47 pm BST.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September in Bisterne, United Kingdom, is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What are September temperatures in Bisterne?
What are the least humid months in Bisterne?
What is the average humidity in September in Bisterne?
How many days does it rain in September in Bisterne?
When it does not snow in Bisterne?
What is the average length of the day in September in Bisterne?
When is the sunrise / sunset in September in Bisterne?
How long on average sun shines in September in Bisterne?
What is the UV index reading in September in Bisterne?
Average temperature in September
Bisterne, United Kingdom
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (13.9°C).
The coldest months (with the lowest average low temperature) are January and February (4.2°C).
Average pressure in September
Bisterne, 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 (1010.6mbar).
Average wind speed in September
Bisterne, United Kingdom
- Average wind speed in September: 17.7km/h
The windiest month (with the highest average wind speed) is December (22.7km/h).
The calmest month (with the lowest average wind speed) is July (15.9km/h).
Average humidity in September
Bisterne, United Kingdom
- Average humidity in September: 81%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, May, July, August and September (81%).
Average rainfall in September
Bisterne, United Kingdom
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Bisterne, United Kingdom
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is September (13.2 days).
Average snowfall in September
Bisterne, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bisterne, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (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
Bisterne, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Bisterne, United Kingdom
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is March (13.8 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Bisterne, 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 and November (UV index 2).
Average cloud cover in September
Bisterne, United Kingdom
- Average cloud cover in September: 42
The month with the most cloud cover is November (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 42).
Average visibility in September
Bisterne, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, June, July, August, September and November (10km).
The months with the lowest visibility are January, May, October and December (9km).
Bisterne, United Kingdom
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