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
Weather in September
Temperature
September registers an average high-temperature of a mild 14.9°C (58.8°F), slightly varied from August's 16.5°C (61.7°F). An average low-temperature of 8.3°C (46.9°F) is recorded during the nights in September in Clones.Humidity
In Clones, the average relative humidity in September is 90%.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Clones, during the entire year, the rain falls for 191.5 days and collects up to 381mm (15") of precipitation.Snowfall
In Clones, Ireland, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 42min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:19 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:07 pm IST.
Sunshine
In September, the average sunshine in Clones, Ireland, is 4.9h.UV index
In Clones, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the usual temperature for Clones in September?
What is the average humidity in September in Clones?
How much does it rain in Clones in September?
When it does not snow in Clones?
How many hours of daylight does Clones have in September?
When is the sunrise / sunset in September in Clones?
How long on average sun shines in September in Clones?
What is the UV index intensity in September in Clones?
Average temperature in September
Clones, 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
Clones, 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
Clones, 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
Clones, 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
Clones, 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
Clones, 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
Clones, 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
Clones, 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
Clones, Ireland
- Average daylight in September: 12h and 4min
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 5min
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
Clones, 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
Clones, 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
Clones, 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
Clones, 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).
Clones, Ireland
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