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
During September, Ardfallen observes a subtle ascent to a still refreshing 15.9°C (60.6°F) from August's 17.6°C (63.7°F) in the average high-temperature. In Ardfallen, the expected average low-temperature for September is a fresh 10.5°C (50.9°F).Humidity
In September, the average relative humidity is 86%.Rainfall
In September, in Ardfallen, Ireland, the rain falls for 15.3 days. Throughout September, 41mm (1.61") of precipitation is accumulated. In Ardfallen, during the entire year, the rain falls for 198 days and collects up to 586mm (23.07") of precipitation.Snowfall
In Ardfallen, snow does not fall in April through October.Daylight
In Ardfallen, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:47 am and sunset at 8:20 pm. On the last day of September, in Ardfallen, sunrise is at 7:34 am and sunset at 7:13 pm IST.
Sunshine
In Ardfallen, the average sunshine in September is 6.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Ardfallen?
What is the average humidity in September in Ardfallen?
How many days does it rain in September in Ardfallen?
When it does not snow in Ardfallen?
What is the average length of the day in September in Ardfallen?
When are sunrise and sunset in September in Ardfallen?
How long on average sun shines in September in Ardfallen?
What is the UV index reading in September in Ardfallen?
Average temperature in September
Ardfallen, Ireland
- Average high temperature in September: 15.9°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in September
Ardfallen, Ireland
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in September
Ardfallen, Ireland
- Average wind speed in September: 17.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest months (with the lowest average wind speed) are June and July (16.1km/h).
Average humidity in September
Ardfallen, Ireland
- Average humidity in September: 86%
The months with the highest relative humidity are October and December (87%).
The months with the lowest relative humidity are February, March and April (84%).
Average rainfall in September
Ardfallen, Ireland
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is March (33mm).
Average rainfall days in September
Ardfallen, Ireland
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (13.5 days).
Average snowfall in September
Ardfallen, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ardfallen, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 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
Ardfallen, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Ardfallen, Ireland
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in September
Ardfallen, Ireland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ardfallen, Ireland
- Average cloud cover in September: 53
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Ardfallen, Ireland
- Average visibility in September: 9km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (9km).
