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
September's arrival registers an average high-temperature of a moderate 15.2°C (59.4°F), closely aligning with the temperature of the previous month. An average nighttime temperature of 11.1°C (52°F) marks September.Humidity
In Boulmer, the average relative humidity in September is 82%.Rainfall
In September, the rain falls for 13.2 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Boulmer, during the entire year, the rain falls for 186.5 days and collects up to 409mm (16.1") of precipitation.Snowfall
In Boulmer, United Kingdom, snow does not fall in May through September.Daylight
The average length of the day in September in Boulmer is 12h and 44min.On the first day of September, sunrise is at 6:13 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:44 pm BST.
Sunshine
The average sunshine in September in Boulmer, United Kingdom, is 7.4h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Boulmer in September?
What is the average humidity in September in Boulmer?
How many days does it rain in September in Boulmer?
When it does not snow in Boulmer?
Does it snow in Boulmer in September?
How many hours of daylight does Boulmer have in September?
When are sunrise and sunset in September in Boulmer?
How long on average sun shines in September in Boulmer?
What are the months with the highest UV index in Boulmer?
How high is the UV index in September in Boulmer?
Average temperature in September
Boulmer, United Kingdom
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is August (16.8°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (3.6°C).
Average pressure in September
Boulmer, United Kingdom
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in September
Boulmer, United Kingdom
- Average wind speed in September: 19.7km/h
The windiest month (with the highest average wind speed) is January (25.6km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in September
Boulmer, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are January, June, October, November and December (83%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Boulmer, United Kingdom
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Boulmer, United Kingdom
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is April (12.6 days).
Average snowfall in September
Boulmer, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Boulmer, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Boulmer, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The months with the least sunshine are February and November (Average sunshine: 4h and 18min).
Average sunshine days in September
Boulmer, United Kingdom
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is April (14.4 days).
The month with the least sunshine days is August (7.2 days).
Average UV index in September
Boulmer, 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, March, November and December (UV index 2).
Average cloud cover in September
Boulmer, United Kingdom
- Average cloud cover in September: 48
The months with the most cloud cover are February and November (Cloud cover 57).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in September
Boulmer, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, August, September, October and December (10km).
The months with the lowest visibility are January, May, June, July and November (9km).
