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
Stepping into September, Ardgroom records an average high-temperature of a still refreshing 15.5°C (59.9°F), almost consistent with August. In Ardgroom, a slight decrease from the daytime peak is noted during the month of September, with an average low-temperature of 11.5°C (52.7°F).Humidity
July through September, with an average relative humidity of 86%, are the most humid months in Ardgroom.Rainfall
In Ardgroom, in September, it is raining for 16 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, there are 224 rainfall days, and 816mm (32.13") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
In Ardgroom, Ireland, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 6:52 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:19 pm IST.
Sunshine
In September, the average sunshine is 5.9h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ardgroom in September?
What are the most humid months in Ardgroom?
What is the average humidity in September in Ardgroom?
How much does it rain in Ardgroom in September?
When it does not snow in Ardgroom?
How many hours of daylight does Ardgroom have in September?
When is the sunrise / sunset in September in Ardgroom?
How long on average sun shines in September in Ardgroom?
When is the highest UV index in Ardgroom?
What is the UV index reading in September in Ardgroom?
Average temperature in September
Ardgroom, Ireland
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is February (8.4°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is July (12.7°C).
The coldest months (with the lowest average low temperature) are February and March (5.4°C).
Average pressure in September
Ardgroom, Ireland
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Ardgroom, Ireland
- Average wind speed in September: 18.8km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).
Average humidity in September
Ardgroom, Ireland
- Average humidity in September: 86%
The months with the highest relative humidity are July, August and September (86%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Ardgroom, Ireland
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is December (106mm).
The driest month (with the least rainfall) is May (45mm).
Average rainfall days in September
Ardgroom, Ireland
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is January (21.6 days).
The month with the least rainy days is September (16 days).
Average snowfall in September
Ardgroom, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ardgroom, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 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
Ardgroom, 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: 5h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Ardgroom, Ireland
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is February (7 days).
Average UV index in September
Ardgroom, 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 January, February, November and December (UV index 2).
Average cloud cover in September
Ardgroom, Ireland
- Average cloud cover in September: 58
The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility in September
Ardgroom, Ireland
- 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).
