September weather forecastClane, Ireland
September
Weather in September
September, the first month of the autumn in Clane, is still a mild month, with an average temperature varying between 15.1°C (59.2°F) and 8.5°C (47.3°F).Temperature
The commencement of September introduces an average high-temperature of a mild 15.1°C (59.2°F), closely mirroring the preceding month. Nighttime temperatures in Clane consistently average a chilly 8.5°C (47.3°F) during September.Humidity
In September, the average relative humidity in Clane is 90%.Rainfall
In Clane, in September, during 10.1 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Clane, during the entire year, the rain falls for 142.7 days and collects up to 221mm (8.7") of precipitation.Snowfall
In Clane, snow does not fall in May through October.Daylight
In September, the average length of the day in Clane is 12h and 41min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:15 pm. On the last day of September, in Clane, Ireland, sunrise is at 7:27 am and sunset at 7:05 pm IST.
Sunshine
In Clane, the average sunshine in September is 5.6h.UV index
The average daily maximum UV index in September 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 maximum UV index of 3 during September leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clane, Ireland
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (10.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in September
Clane, Ireland
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in September
Clane, Ireland
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Clane, Ireland
- Average humidity in September: 90%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (86%).
Average rainfall in September
Clane, Ireland
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (26mm).
The driest months (with the least rainfall) are January and October (13mm).
Average rainfall days in September
Clane, Ireland
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (9.8 days).
Average snowfall in September
Clane, Ireland
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Clane, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Clane, 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 36min).
- Average sunshine in September: 5h and 36min
The month with the most sunshine is April (Average sunshine: 6h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Clane, Ireland
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Clane, Ireland
- Average UV index in September: 3
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Clane, Ireland
- Average cloud cover in September: 63
The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in September
Clane, Ireland
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and December (9km).
The month with the lowest visibility is July (7km).
