September weather forecastClondulane, Ireland
September
Weather in September
September, the first month of the autumn in Clondulane, is still a refreshing month, with an average temperature fluctuating between 15.7°C (60.3°F) and 8.5°C (47.3°F).Temperature
The advent of September brings an average high-temperature of a mild 15.7°C (60.3°F), almost identical to the preceding month. During the nights in September, Clondulane observes an average low-temperature of 8.5°C (47.3°F).Humidity
The average relative humidity in September is 90%.Rainfall
In Clondulane, in September, it is raining for 10.4 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, there are 148.4 rainfall days, and 306mm (12.05") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 39min.On the first day of the month, sunrise is at 6:45 am and sunset at 8:19 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:12 pm IST.
Sunshine
The average sunshine in September is 5.4h.UV index
In Clondulane, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Ensure safety - Sun damage prevention is strongly urged. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clondulane, Ireland
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (10.5°C).
The coldest months (with the lowest average low temperature) are February and March (1.8°C).
Average pressure in September
Clondulane, Ireland
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.6mbar).
Average wind speed in September
Clondulane, Ireland
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Clondulane, 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
Clondulane, Ireland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (36mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in September
Clondulane, Ireland
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in September
Clondulane, Ireland
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Clondulane, Ireland
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.8 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
Clondulane, Ireland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 5h and 24min
The month with the most sunshine is June (Average sunshine: 5h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Clondulane, Ireland
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Clondulane, 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
Clondulane, Ireland
- Average cloud cover in September: 65
The month with the most cloud cover is July (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in September
Clondulane, Ireland
- Average visibility in September: 7km
The month with the highest visibility is February (9km).
The months with the lowest visibility are July, August and September (7km).
