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
September
Weather in September
Temperature
With the onset of September, a modest change to a mild 15.4°C (59.7°F) from August's 16°C (60.8°F) is noted in high-temperature. Ballydavid sustains an average of approximately a fresh 12.8°C (55°F) during September nights, with little variation from daytime highs.Humidity
In September, the average relative humidity is 84%.Rainfall
In Ballydavid, in September, during 20.2 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Ballydavid, Ireland, during the entire year, the rain falls for 249.8 days and collects up to 968mm (38.11") of precipitation.Snowfall
January, April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 6:53 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:20 pm IST.
Sunshine
The average sunshine in September is 6.2h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Ballydavid?
When is the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Ballydavid, Ireland
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (16.1°C).
The month with the lowest average high temperature is February (9°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).
Average pressure in September
Ballydavid, Ireland
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).
Average wind speed in September
Ballydavid, Ireland
- Average wind speed in September: 23.1km/h
The windiest month (with the highest average wind speed) is December (31.3km/h).
The calmest month (with the lowest average wind speed) is July (19.8km/h).
Average humidity in September
Ballydavid, Ireland
- Average humidity in September: 84%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are February, March, April and November (80%).
Average rainfall in September
Ballydavid, Ireland
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is December (114mm).
The driest month (with the least rainfall) is June (53mm).
Average rainfall days in September
Ballydavid, Ireland
- Average rainfall days in September: 20.2 days
The month with the highest number of rainy days is January (23.4 days).
The month with the least rainy days is April (17.1 days).
Average snowfall in September
Ballydavid, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ballydavid, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.5 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
Ballydavid, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is June (Average sunshine: 8h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Ballydavid, Ireland
- Average sunshine days in September: 7.9 days
The month with the most sunshine days is April (9.8 days).
The month with the least sunshine days is November (4.7 days).
Average UV index in September
Ballydavid, Ireland
- 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 February and November (UV index 2).
Average cloud cover in September
Ballydavid, Ireland
- Average cloud cover in September: 56
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Ballydavid, Ireland
- Average visibility in September: 10km
The months with the highest visibility are March, April, June and September (10km).
The months with the lowest visibility are January, February, May, July, August, October, November and December (9km).
