September weather forecastCootehill, Ireland
September
Weather in September
September, the first month of the autumn in Cootehill, is still a refreshing month, with an average temperature varying between 8.3°C (46.9°F) and 14.9°C (58.8°F).Temperature
The transition into September marks the average high-temperature at a moderate 14.9°C (58.8°F), differing minimally from August's 16.5°C (61.7°F). During September, Cootehill experiences an average low-temperature of 8.3°C (46.9°F) at night.Humidity
In Cootehill, Ireland, the average relative humidity in September is 90%.Rainfall
In September, in Cootehill, the rain falls for 13.3 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Cootehill, Ireland, during the entire year, the rain falls for 191.5 days and collects up to 381mm (15") of precipitation.Snowfall
April through November are months without snowfall in Cootehill.Daylight
The average length of the day in September in Cootehill is 12h and 41min.On the first day of September in Cootehill, sunrise is at 6:37 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:06 pm IST.
Sunshine
The average sunshine in September is 4.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 3 in September leads to these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cootehill, Ireland
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in September
Cootehill, Ireland
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in September
Cootehill, Ireland
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is January (17.8km/h).
The calmest month (with the lowest average wind speed) is July (11.9km/h).
Average humidity in September
Cootehill, Ireland
- Average humidity in September: 90%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (86%).
Average rainfall in September
Cootehill, Ireland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is August (48mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Cootehill, Ireland
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is September (13.3 days).
Average snowfall in September
Cootehill, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Cootehill, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.1 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
Cootehill, Ireland
- Average daylight in September: 12h and 42min
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 30min).
- Average sunshine in September: 4h and 54min
The month with the most sunshine is June (Average sunshine: 6h and 18min).
The months with the least sunshine are January, February and October (Average sunshine: 3h and 30min).
Average sunshine days in September
Cootehill, Ireland
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is December (12 days).
The month with the least sunshine days is August (5.4 days).
Average UV index in September
Cootehill, Ireland
- Average UV index in September: 3
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Cootehill, Ireland
- Average cloud cover in September: 68
The month with the most cloud cover is August (Cloud cover 73).
The month with the least cloud cover is April (Cloud cover 61).
Average visibility in September
Cootehill, Ireland
- Average visibility in September: 7km
The month with the highest visibility is March (9km).
The months with the lowest visibility are July, August and September (7km).
