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 advent of September observes an average high-temperature of a mild 15.8°C (60.4°F), nearly identical to August's 17.9°C (64.2°F). The average nighttime temperature lowers to a chilly 9.2°C (48.6°F) throughout September.Humidity
The average relative humidity in September in Lower Darwen, United Kingdom, is 86%.Rainfall
In Lower Darwen, United Kingdom, during September, the rain falls for 15.7 days and regularly aggregates up to 43mm (1.69") of precipitation. In Lower Darwen, during the entire year, the rain falls for 209.2 days and collects up to 594mm (23.39") of precipitation.Snowfall
In Lower Darwen, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 6:19 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:48 pm BST.
Sunshine
The average sunshine in September in Lower Darwen is 6h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the usual temperature for Lower Darwen in September?
What is the average humidity in September in Lower Darwen?
How much does it rain in Lower Darwen in September?
When it does not snow in Lower Darwen?
What is the average length of the day in September in Lower Darwen?
When is the sunrise / sunset in September in Lower Darwen?
How many hours of sunshine does Lower Darwen have in September?
What is the UV index reading in September in Lower Darwen?
Average temperature in September
Lower Darwen, United Kingdom
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Lower Darwen, United Kingdom
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Lower Darwen, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest months (with the lowest average wind speed) are June and July (12.5km/h).
Average humidity in September
Lower Darwen, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Lower Darwen, United Kingdom
- Average rainfall in September: 43mm
The wettest months (with the highest rainfall) are August and December (66mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Lower Darwen, United Kingdom
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is August (21.4 days).
The month with the least rainy days is February (14.3 days).
Average snowfall in September
Lower Darwen, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Lower Darwen, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 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
Lower Darwen, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 6h and 0min
The month with the most sunshine is April (Average sunshine: 7h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in September
Lower Darwen, United Kingdom
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is April (12 days).
The month with the least sunshine days is August (5.4 days).
Average UV index in September
Lower Darwen, 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, March, November and December (UV index 2).
Average cloud cover in September
Lower Darwen, United Kingdom
- Average cloud cover in September: 59
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in September
Lower Darwen, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June and October (9km).
The months with the lowest visibility are January, July, August, September, November and December (8km).
Lower Darwen, United Kingdom
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