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
In September, Glastonbury's weather conditions record an average high-temperature of a still enjoyable 17.7°C (63.9°F), demonstrating little divergence from the preceding month. Throughout the month of September, Glastonbury witnesses an average low-temperature of 10.4°C (50.7°F).Humidity
In September, the average relative humidity in Glastonbury is 84%.Rainfall
April and September are months with the least rain in Glastonbury when the rain falls for 12.5 days and typically aggregates up to 30mm (1.18") of rain.Snowfall
April through October are months without snowfall in Glastonbury.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September in Glastonbury, sunrise is at 6:25 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:50 pm BST.
Sunshine
The average sunshine in September is 7h.UV index
The months with the highest UV index in Glastonbury are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the temperature in September in Glastonbury?
What is the average humidity in September in Glastonbury?
What is the driest month in Glastonbury?
How much does it rain in Glastonbury in September?
When it does not snow in Glastonbury?
How many hours of daylight does Glastonbury have in September?
When are sunrise and sunset in September in Glastonbury?
How many hours of sunshine does Glastonbury have in September?
What is the month with the highest UV index in Glastonbury?
What is the UV index intensity in September in Glastonbury?
Average temperature in September
Glastonbury, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Glastonbury, United Kingdom
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Glastonbury, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Glastonbury, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (82%).
Average rainfall in September
Glastonbury, United Kingdom
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (67mm).
The driest months (with the least rainfall) are April and September (30mm).
Average rainfall days in September
Glastonbury, United Kingdom
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in September
Glastonbury, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Glastonbury, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.7 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
Glastonbury, 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: 7h and 0min
The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).
Average sunshine days in September
Glastonbury, United Kingdom
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Glastonbury, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Glastonbury, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 50).
Average visibility in September
Glastonbury, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June and December (9km).
The months with the lowest visibility are July, August, September, October and November (8km).
Glastonbury, United Kingdom
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