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
September brings an average high-temperature of a mild 15.5°C (59.9°F), showing a slight difference from August's 17.3°C (63.1°F). Throughout September, an average low-temperature of 8.2°C (46.8°F) is expected in Clonygowan.Humidity
In September, the average relative humidity is 90%.Rainfall
The month with the least rainfall in Clonygowan, Ireland, is September, when the rain falls for 10.5 days and typically collects 15mm (0.59") of precipitation.Snowfall
In Clonygowan, snow does not fall in May through October.Daylight
In September, the average length of the day in Clonygowan is 12h and 40min.On the first day of September in Clonygowan, sunrise is at 6:39 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:07 pm IST.
Sunshine
The average sunshine in September in Clonygowan, Ireland, is 5.3h.UV index
In Clonygowan, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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 temperature in September in Clonygowan?
What is the average humidity in September in Clonygowan?
What is the driest month in Clonygowan?
How much does it rain in Clonygowan in September?
When it does not snow in Clonygowan?
How many hours of daylight does Clonygowan have in September?
What time are sunrise and sunset in September in Clonygowan?
How long on average sun shines in September in Clonygowan?
How high is the UV index in September in Clonygowan?
Average temperature in September
Clonygowan, Ireland
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The months with the lowest average high temperature are January and December (6.9°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in September
Clonygowan, 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
Clonygowan, Ireland
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is February (18.9km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Clonygowan, Ireland
- Average humidity in September: 90%
The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (86%).
Average rainfall in September
Clonygowan, Ireland
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (34mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in September
Clonygowan, Ireland
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in September
Clonygowan, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is November (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Clonygowan, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.6 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
Clonygowan, Ireland
- Average daylight in September: 12h and 4min
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 2min
The month with the most sunshine is April (Average sunshine: 5h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Clonygowan, Ireland
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Clonygowan, Ireland
- Average UV index in September: 3
The months with the highest UV index are May and June (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
Clonygowan, Ireland
- Average cloud cover in September: 66
The month with the most cloud cover is July (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in September
Clonygowan, Ireland
- Average visibility in September: 7km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are July, August and September (7km).
