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
The ushering in of September brings an average high-temperature of a still comfortable 17.5°C (63.5°F), closely mirroring the 19.9°C (67.8°F) of August. In the month of September, Birlingham experiences an average low-temperature of 9.8°C (49.6°F).Humidity
In Birlingham, the average relative humidity in September is 83%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 26mm (1.02") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September in Birlingham, United Kingdom, sunrise is at 6:21 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:47 pm BST.
Sunshine
In Birlingham, the average sunshine in September is 6.4h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Birlingham in September?
What is the average humidity in September in Birlingham?
What is the driest month in Birlingham?
How many days does it rain in September in Birlingham?
When it does not snow in Birlingham?
What is the average length of the day in September in Birlingham?
When is the sunrise / sunset in September in Birlingham?
How many hours of sunshine does Birlingham have in September?
What is the UV index reading in September in Birlingham?
Average temperature in September
Birlingham, United Kingdom
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Birlingham, United Kingdom
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in September
Birlingham, United Kingdom
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest months (with the lowest average wind speed) are June and July (12.6km/h).
Average humidity in September
Birlingham, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in September
Birlingham, United Kingdom
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (61mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Birlingham, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Birlingham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Birlingham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Birlingham, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 7h and 18min).
The months with the least sunshine are February and November (Average sunshine: 3h and 36min).
Average sunshine days in September
Birlingham, United Kingdom
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Birlingham, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Birlingham, United Kingdom
- Average cloud cover in September: 56
The month with the most cloud cover is November (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility in September
Birlingham, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, May, July and December (9km).
The months with the lowest visibility are April, June, August, September, October and November (8km).
