September weather forecast
Killyclug, Ireland

September

Weather in September

The first month of the autumn, September, is also a moderate month in Killyclug, Ireland, with temperature in the range of an average low of 8.5°C (47.3°F) and an average high of 14.8°C (58.6°F).

Temperature

Killyclug's September average high-temperature settles at a moderate 14.8°C (58.6°F), showing a near match with the preceding month. An average minimum temperature of 8.5°C (47.3°F) is recorded during the month of September.

Humidity

The average relative humidity in September is 89%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 16mm (0.63") of precipitation.

Snowfall

In Killyclug, Ireland, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 43min.
On the first day of September, sunrise is at 6:38 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:09 pm IST.

Sunshine

In Killyclug, the average sunshine in September is 4.8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

What is the temperature in September?
Killyclug in September has an average high-temperature of 14.8°C (58.6°F) and an average low-temperature of 8.5°C (47.3°F).
What is the average humidity in September?
In September, the average relative humidity is 89%.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 16mm (0.63") of precipitation.
How many days does it rain in September?
In Killyclug, during September, the rain falls for 13.2 days and regularly aggregates up to 16mm (0.63") of precipitation.
When it does not snow?
In Killyclug, snow does not fall in May through October.
How many hours of daylight does Killyclug have in September?
The average day length in September is 12h and 43min.
When are sunrise and sunset in September?
On the first day of September, sunrise is at 6:38 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:09 pm IST.
How many hours of sunshine does Killyclug have in September?
In September, the average sunshine duration is 4.8h.
What is the UV index intensity in September?
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Killyclug, Ireland
Average temperature in September
Killyclug, Ireland
  • Average high temperature in September: 14.8°C

The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (6.2°C).

  • Average low temperature in September: 8.5°C

The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).

Average pressure in September - Killyclug, Ireland
Average pressure in September
Killyclug, Ireland
  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.7mbar).

Average wind speed in September - Killyclug, Ireland
Average wind speed in September
Killyclug, Ireland
  • Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is January (18.2km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).

Average humidity in September - Killyclug, Ireland
Average humidity in September
Killyclug, Ireland
  • Average humidity in September: 89%

The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is April (84%).

Average rainfall in September - Killyclug, Ireland
Average rainfall in September
Killyclug, Ireland
  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is August (36mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in September - Killyclug, Ireland
Average rainfall days in September
Killyclug, Ireland
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (12.1 days).

Average snowfall in September - Killyclug, Ireland
Average snowfall in September
Killyclug, Ireland
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September - Killyclug, Ireland
Average snowfall days in September
Killyclug, Ireland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.5 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 - Killyclug, Ireland
Average daylight in September /
Average sunshine in September
Killyclug, Ireland
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).

  • Average sunshine in September: 4h and 5min

The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September - Killyclug, Ireland
Average sunshine days in September
Killyclug, Ireland
  • Average sunshine days in September: 10.2 days

The month with the most sunshine days is October (13.1 days).
The month with the least sunshine days is July (7.2 days).

Average UV index in September - Killyclug, Ireland
Average UV index in September
Killyclug, 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, November and December (UV index 2).

Average cloud cover in September - Killyclug, Ireland
Average cloud cover in September
Killyclug, 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 60).

Average visibility in September - Killyclug, Ireland
Average visibility in September
Killyclug, Ireland
  • Average visibility in September: 8km

The months with the highest visibility are February, March and April (9km).
The months with the lowest visibility are July and August (7km).

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