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
The shift into September finds Birtley, United Kingdom, at an average high-temperature of a still refreshing 16°C (60.8°F), closely comparable to August's conditions. Birtley's temperature tends to fall to an average low of 10.3°C (50.5°F) during the nights of September.Humidity
The average relative humidity in September in Birtley is 81%.Rainfall
In Birtley, in September, it is raining for 10.6 days, with typically 22mm (0.87") of accumulated precipitation. In Birtley, during the entire year, the rain falls for 155.6 days and collects up to 319mm (12.56") of precipitation.Snowfall
In Birtley, United Kingdom, snow does not fall in May through October.Daylight
In September, the average length of the day in Birtley is 12h and 43min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:44 pm BST.
Sunshine
In September, the average sunshine in Birtley, United Kingdom, is 7.6h.UV index
The months with the highest UV index in Birtley 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 average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the usual temperature for Birtley in September?
What is the average humidity in September in Birtley?
How many days does it rain in September in Birtley?
When it does not snow in Birtley?
What is the average length of the day in September in Birtley?
When are sunrise and sunset in September in Birtley?
How long on average sun shines in September in Birtley?
What is the month with the highest UV index in Birtley?
What is the UV index reading in September in Birtley?
Average temperature in September
Birtley, United Kingdom
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Birtley, United Kingdom
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008mbar).
Average wind speed in September
Birtley, United Kingdom
- Average wind speed in September: 15.6km/h
The windiest month (with the highest average wind speed) is January (20km/h).
The calmest month (with the lowest average wind speed) is June (12.9km/h).
Average humidity in September
Birtley, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Birtley, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is August (42mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Birtley, United Kingdom
- Average rainfall days in September: 10.6 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
Birtley, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Birtley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Birtley, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is October (Average sunshine: 4h and 18min).
Average sunshine days in September
Birtley, United Kingdom
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Birtley, 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
Birtley, United Kingdom
- Average cloud cover in September: 47
The months with the most cloud cover are February and November (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 47).
Average visibility in September
Birtley, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
Birtley, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
