September weather forecastCaherconnell, Ireland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Caherconnell, Ireland, with an average temperature ranging between max 15.5°C (59.9°F) and min 12.1°C (53.8°F).Temperature
Caherconnell starts September with an average high-temperature of a moderate 15.5°C (59.9°F), hinting at a minimal fluctuation from August. Caherconnell reports an average low temperature of 12.1°C (53.8°F) in September, a minor decrease from the day's highs.Humidity
In September, the average relative humidity is 84%.Rainfall
September is the month with the least rainfall. Rain falls for 18 days and accumulates 54mm (2.13") of precipitation.Snowfall
In Caherconnell, snow does not fall in May through November.Daylight
The average length of the day in September in Caherconnell is 12h and 40min.On the first day of the month, sunrise is at 6:47 am and sunset at 8:25 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:15 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 value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take precautions - Protection against sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Caherconnell, Ireland
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is February (8.6°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (13.2°C).
The coldest months (with the lowest average low temperature) are February and March (5.5°C).
Average pressure in September
Caherconnell, Ireland
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.9mbar).
Average wind speed in September
Caherconnell, Ireland
- Average wind speed in September: 23.2km/h
The windiest month (with the highest average wind speed) is December (30.4km/h).
The calmest month (with the lowest average wind speed) is June (19.7km/h).
Average humidity in September
Caherconnell, 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 and April (81%).
Average rainfall in September
Caherconnell, Ireland
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is December (127mm).
The driest month (with the least rainfall) is September (54mm).
Average rainfall days in September
Caherconnell, Ireland
- Average rainfall days in September: 18 days
The month with the highest number of rainy days is January (24.3 days).
The months with the least rainy days are April and September (18 days).
Average snowfall in September
Caherconnell, Ireland
- Average snowfall in September: 0mm
The months with the highest snowfall are January and March (8mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Caherconnell, 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
Caherconnell, Ireland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 5h and 54min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Caherconnell, Ireland
- Average sunshine days in September: 8.6 days
The month with the most sunshine days is July (8.8 days).
The month with the least sunshine days is January (4.6 days).
Average UV index in September
Caherconnell, 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
Caherconnell, Ireland
- Average cloud cover in September: 58
The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Caherconnell, Ireland
- Average visibility in September: 10km
The months with the highest visibility are April, June, August and September (10km).
The months with the lowest visibility are January, February, March, May, July, October, November and December (9km).





