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
September's onset records an average high-temperature of a moderate 15.1°C (59.2°F), a near match to August's 16.6°C (61.9°F). The nights of September cool down to an average low of 11°C (51.8°F), subtly lower than daytime highs.Humidity
In September, the average relative humidity is 86%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Ballykinler, during the entire year, the rain falls for 181.5 days and collects up to 542mm (21.34") of precipitation.Snowfall
In Ballykinler, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 42min.On the first day of September, sunrise is at 6:32 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:01 pm BST.
Sunshine
The average sunshine in September in Ballykinler is 6.5h.UV index
June, August and September, with an average maximum UV index of 4, are months with the highest UV index in Ballykinler. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Ballykinler?
What is the average humidity in September in Ballykinler?
How much does it rain in Ballykinler in September?
When it does not snow in Ballykinler?
How many hours of daylight does Ballykinler have in September?
What time are sunrise and sunset in September in Ballykinler?
How many hours of sunshine does Ballykinler have in September?
What are the months with the highest UV index in Ballykinler?
What is the UV index intensity in September in Ballykinler?
Average temperature in September
Ballykinler, United Kingdom
- Average high temperature in September: 15.1°C
The warmest months (with the highest average high temperature) are July and August (16.6°C).
The month with the lowest average high temperature is February (7.1°C).
- Average low temperature in September: 11°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in September
Ballykinler, United Kingdom
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in September
Ballykinler, United Kingdom
- Average wind speed in September: 18.8km/h
The windiest month (with the highest average wind speed) is December (24.4km/h).
The calmest month (with the lowest average wind speed) is July (15km/h).
Average humidity in September
Ballykinler, United Kingdom
- Average humidity in September: 86%
The month with the highest relative humidity is August (87%).
The months with the lowest relative humidity are March, April and May (83%).
Average rainfall in September
Ballykinler, United Kingdom
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is May (32mm).
Average rainfall days in September
Ballykinler, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Ballykinler, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ballykinler, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ballykinler, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in September
Ballykinler, United Kingdom
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Ballykinler, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, 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
Ballykinler, United Kingdom
- Average cloud cover in September: 54
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in September
Ballykinler, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, September, October, November and December (10km).
The months with the lowest visibility are January, April, May, June, July and August (9km).
Ballykinler, United Kingdom
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