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 sea temperature 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
Newtownabbey's weather in September displays an average high-temperature of a moderate 14.8°C (58.6°F), showing minor disparity from August's 16.7°C (62.1°F). September nights reflect a consistent temperature dip to a fresh 10.1°C (50.2°F), a slight descent from daytime peaks.Humidity
In September, the average relative humidity in Newtownabbey is 87%.Rainfall
In Newtownabbey, United Kingdom, in September, it is raining for 16.4 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 220.2 rainfall days, and 626mm (24.65") of precipitation is accumulated.Snowfall
In Newtownabbey, snow does not fall in April through October.Sea temperature
September is the month with the warmest seawater in Newtownabbey, United Kingdom, with an average sea temperature of 14.3°C (57.7°F).Note: Diving into 14.3°C (57.7°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
The average length of the day in September in Newtownabbey is 12h and 43min.On the first day of September, sunrise is at 6:31 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:01 pm BST.
Sunshine
The average sunshine in September in Newtownabbey is 6h.UV index
In Newtownabbey, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 3 suggests these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the average September temperature in Newtownabbey?
What is the average humidity in September in Newtownabbey?
How many days does it rain in September in Newtownabbey?
When it does not snow in Newtownabbey?
What month is the sea warmest in Newtownabbey?
What is the sea water temperature in September in Newtownabbey?
How many hours of daylight does Newtownabbey have in September?
When are sunrise and sunset in September in Newtownabbey?
How many hours of sunshine does Newtownabbey have in September?
What is the UV index reading in September in Newtownabbey?
Average temperature in September
Newtownabbey, United Kingdom
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in September
Newtownabbey, United Kingdom
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in September
Newtownabbey, United Kingdom
- Average wind speed in September: 17km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.7km/h).
Average humidity in September
Newtownabbey, United Kingdom
- Average humidity in September: 87%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Newtownabbey, United Kingdom
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is May (38mm).
Average rainfall days in September
Newtownabbey, United Kingdom
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is August (23 days).
The month with the least rainy days is April (16.1 days).
Average snowfall in September
Newtownabbey, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Newtownabbey, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Newtownabbey, United Kingdom
- Average sea temperature in September: 14.3°C
The best month for swimming (with the highest average sea temperature) is September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (8°C).
Average daylight in September /
Average sunshine in September
Newtownabbey, 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 24min).
- Average sunshine in September: 6h and 0min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Newtownabbey, United Kingdom
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in September
Newtownabbey, 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
Newtownabbey, United Kingdom
- Average cloud cover in September: 58
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Newtownabbey, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Newtownabbey, United Kingdom
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