September weather forecastCullybackey, United Kingdom
September
Weather in September
September, the first month of the autumn in Cullybackey, is still a mild month, with an average temperature fluctuating between 9.6°C (49.3°F) and 14.7°C (58.5°F).Temperature
Cullybackey's shift into September sets the average high-temperature at a moderate 14.7°C (58.5°F), a figure that deviates only slightly from August's 16.3°C (61.3°F). September witnesses an average nighttime temperature of 9.6°C (49.3°F) in Cullybackey.Humidity
In September, the average relative humidity is 87%.Rainfall
January and September are months with the least rain in Cullybackey when the rain falls for 8.8 days and typically aggregates up to 11mm (0.43") of rain.Snowfall
In Cullybackey, snow does not fall in April through November.Daylight
In Cullybackey, United Kingdom, the average length of the day in September is 12h and 43min.On the first day of September, sunrise is at 6:33 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:03 pm BST.
Sunshine
In Cullybackey, United Kingdom, the average sunshine in September is 5.6h.UV index
In Cullybackey, United Kingdom, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Heed the precautions - It is counselled to guard against solar damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cullybackey, United Kingdom
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Cullybackey, United Kingdom
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1007mbar).
Average wind speed in September
Cullybackey, United Kingdom
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is January (21.5km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).
Average humidity in September
Cullybackey, United Kingdom
- Average humidity in September: 87%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Cullybackey, United Kingdom
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is June (29mm).
The driest months (with the least rainfall) are January and September (11mm).
Average rainfall days in September
Cullybackey, United Kingdom
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Cullybackey, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are February and March (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Cullybackey, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cullybackey, United Kingdom
- Average daylight in September: 12h and 42min
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: 5h and 36min
The month with the most sunshine is June (Average sunshine: 7h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Cullybackey, United Kingdom
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Cullybackey, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June 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
Cullybackey, United Kingdom
- Average cloud cover in September: 61
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in September
Cullybackey, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
