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 denotes an average high-temperature of a still refreshing 16.6°C (61.9°F), subtly different from August's 18.4°C (65.1°F). The temperature during September sees a subtle transition from day to night, averaging a low of 11.7°C (53.1°F).Humidity
In Great Altcar, United Kingdom, the average relative humidity in September is 80%.Rainfall
In Great Altcar, in September, during 13 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Great Altcar, during the entire year, the rain falls for 173.2 days and collects up to 403mm (15.87") of precipitation.Snowfall
In Great Altcar, snow does not fall in May through November.Daylight
In Great Altcar, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 6:22 am and sunset at 8:01 pm. On the last day of September, in Great Altcar, United Kingdom, sunrise is at 7:13 am and sunset at 6:50 pm BST.
Sunshine
In September, the average sunshine is 6.7h.UV index
The months with the highest UV index in Great Altcar are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the usual temperature for Great Altcar in September?
What is the average humidity in September in Great Altcar?
How many days does it rain in September in Great Altcar?
When it does not snow in Great Altcar?
What is the average length of the day in September in Great Altcar?
When are sunrise and sunset in September in Great Altcar?
How long on average sun shines in September in Great Altcar?
What is the month with the highest UV index in Great Altcar?
What is the UV index intensity in September in Great Altcar?
Average temperature in September
Great Altcar, United Kingdom
- Average high temperature in September: 16.6°C
The warmest months (with the highest average high temperature) are July and August (18.4°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (3.6°C).
Average pressure in September
Great Altcar, United Kingdom
- Average pressure in September: 1015.5mbar
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
Great Altcar, United Kingdom
- Average wind speed in September: 16.2km/h
The windiest month (with the highest average wind speed) is January (21.4km/h).
The calmest month (with the lowest average wind speed) is June (14km/h).
Average humidity in September
Great Altcar, United Kingdom
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Great Altcar, United Kingdom
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Great Altcar, United Kingdom
- Average rainfall days in September: 13 days
The months with the highest number of rainy days are August and November (16.8 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in September
Great Altcar, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Great Altcar, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.4 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
Great Altcar, 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 36min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is April (Average sunshine: 7h and 54min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Great Altcar, United Kingdom
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (17 days).
The month with the least sunshine days is November (10.5 days).
Average UV index in September
Great Altcar, 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
Great Altcar, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in September
Great Altcar, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (10km).
The months with the lowest visibility are January and July (9km).
Great Altcar, United Kingdom
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