September weather forecast
Killarga, Ireland

September

Weather in September

The first month of the autumn, September, is still a mild month in Killarga, Ireland, with an average temperature fluctuating between 14.7°C (58.5°F) and 10.4°C (50.7°F).

Temperature

As August turns into September, the average high-temperatures rest at a still refreshing 14.7°C (58.5°F), showing a minor variation from the prior month. The nights of September in Killarga cool down to an average low of 10.4°C (50.7°F), subtly lower than daytime highs.

Humidity

In September, the average relative humidity in Killarga is 86%.

Rainfall

In Killarga, Ireland, in September, it is raining for 18.6 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 232.9 rainfall days, and 592mm (23.31") of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 42min.
On the first day of the month, sunrise is at 6:41 am and sunset at 8:23 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:11 pm IST.

Sunshine

The average sunshine in September in Killarga is 5.2h.

UV index

In Killarga, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In September, an average UV index of 3 transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What are September temperatures in Killarga?
In Killarga, in September, the average high-temperature is 14.7°C (58.5°F), and the average low-temperature is 10.4°C (50.7°F).
What is the average humidity in September in Killarga?
In September, the average relative humidity in Killarga is 86%.
How much does it rain in Killarga in September?
In Killarga, in September, it is raining for 18.6 days, with typically 38mm (1.5") of accumulated precipitation.
When it does not snow in Killarga?
April through November are months without snowfall.
What is the average length of the day in September in Killarga?
The average day length in September in Killarga is 12h and 42min.
What time are sunrise and sunset in September in Killarga?
In September, on the first day of the month, sunrise is at 6:41 am and sunset at 8:23 pm. On the last day of the month, in Killarga, Ireland, sunrise is at 7:34 am and sunset at 7:11 pm IST.
How many hours of sunshine does Killarga have in September?
In September, the average sunshine duration in Killarga is 5.2h.
How high is the UV index in September in Killarga?
In September, the average daily maximum UV index in Killarga is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Killarga, Ireland
Average temperature in September
Killarga, Ireland
  • Average high temperature in September: 14.7°C

The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).

Average pressure in September - Killarga, Ireland
Average pressure in September
Killarga, Ireland
  • Average pressure in September: 1014.1mbar

The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1007mbar).

Average wind speed in September - Killarga, Ireland
Average wind speed in September
Killarga, Ireland
  • Average wind speed in September: 18km/h

The windiest month (with the highest average wind speed) is January (24.3km/h).
The calmest month (with the lowest average wind speed) is July (14.8km/h).

Average humidity in September - Killarga, Ireland
Average humidity in September
Killarga, Ireland
  • Average humidity in September: 86%

The months with the highest relative humidity are July and August (87%).
The month with the lowest relative humidity is April (82%).

Average rainfall in September - Killarga, Ireland
Average rainfall in September
Killarga, Ireland
  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in September - Killarga, Ireland
Average rainfall days in September
Killarga, Ireland
  • Average rainfall days in September: 18.6 days

The month with the highest number of rainy days is August (22.8 days).
The month with the least rainy days is April (16.5 days).

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

The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Killarga, Ireland
Average daylight in September /
Average sunshine in September
Killarga, Ireland
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in September: 5h and 1min

The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September - Killarga, Ireland
Average sunshine days in September
Killarga, Ireland
  • Average sunshine days in September: 7.5 days

The month with the most sunshine days is May (10.1 days).
The month with the least sunshine days is August (4.3 days).

Average UV index in September - Killarga, Ireland
Average UV index in September
Killarga, 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 - Killarga, Ireland
Average cloud cover in September
Killarga, Ireland
  • Average cloud cover in September: 63

The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 57).

Average visibility in September - Killarga, Ireland
Average visibility in September
Killarga, Ireland
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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