September weather forecastLackagh, Ireland

September

Weather in September

September, the first month of the autumn in Lackagh, is still a refreshing month, with an average temperature varying between 15.1°C (59.2°F) and 8.5°C (47.3°F).

Temperature

The start of September sees the average high-temperature at a mild 15.1°C (59.2°F), showing little difference from August's 17.1°C (62.8°F). Lackagh witnesses a consistent average low-temperature of 8.5°C (47.3°F) throughout September.

Humidity

In September, the average relative humidity is 90%.

Rainfall

In Lackagh, Ireland, in September, it is raining for 10.1 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, there are 142.7 rainfall days, and 221mm (8.7") of precipitation is accumulated.

Snowfall

In Lackagh, snow does not fall in May through October.

Daylight

In September, the average length of the day in Lackagh is 12h and 40min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:06 pm IST.

Sunshine

In September, the average sunshine is 5.6h.

UV index

The average daily maximum UV index in September in Lackagh is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, an average UV index of 3 transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

The average high-temperature, in September, in Lackagh, is 15.1°C (59.2°F), while the average low-temperature is 8.5°C (47.3°F).

In Lackagh, Ireland, the average relative humidity in September is 90%.

In Lackagh, Ireland, in September, during 10.1 rainfall days, 16mm (0.63") of precipitation is typically accumulated.

May through October are months without snowfall in Lackagh.

In September, the average day length in Lackagh, Ireland, is 12h and 40min.

On the first day of September in Lackagh, sunrise is at 6:38 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:06 pm IST.

In Lackagh, the average sunshine duration in September is 5.6h.

In Lackagh, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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
Lackagh, 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).