September weather forecastArdcath, Ireland

September

Weather in September

The first month of the autumn, September, is still a mild month in Ardcath, Ireland, with temperature in the range of an average high of 15.6°C (60.1°F) and an average low of 10.6°C (51.1°F).

Temperature

The shift into September uncovers an average high-temperature of a still refreshing 15.6°C (60.1°F), subtly different from the previous month. A consistent nighttime average temperature of 10.6°C (51.1°F) is maintained in Ardcath during September.

Humidity

In September, the average relative humidity is 85%.

Rainfall

In September, in Ardcath, the rain falls for 10.9 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Ardcath, during the entire year, the rain falls for 159.4 days and collects up to 362mm (14.25") of precipitation.

Snowfall

In Ardcath, Ireland, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 41min.
On the first day of September in Ardcath, sunrise is at 6:35 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:04 pm IST.

Sunshine

In Ardcath, the average sunshine in September is 7h.

UV index

The months with the highest UV index in Ardcath are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during September leads to these instructions:
Exercise prevention - Precautions against solar damage are endorsed. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

In Ardcath, 15.6°C (60.1°F) is the average high-temperature and 10.6°C (51.1°F) is the average low-temperature during September.

In Ardcath, Ireland, the average relative humidity in September is 85%.

In Ardcath, Ireland, during September, the rain falls for 10.9 days and regularly aggregates up to 25mm (0.98") of precipitation.

In Ardcath, Ireland, snow does not fall in April through October.

In Ardcath, the average day length in September is 12h and 41min.

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 8:15 pm. On the last day of the month, in Ardcath, sunrise is at 7:26 am and sunset at 7:04 pm IST.

The average sunshine duration in September in Ardcath, Ireland, is 7h.

May through September, with an average maximum UV index of 4, are months with the highest UV index.

The average daily maximum UV index in September in Ardcath is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ardcath, Ireland

  • Average high temperature in September: 15.6°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 (7.6°C).

  • Average low temperature in September: 10.6°C

The months with the highest average low temperature are July and August (12.1°C).
The coldest months (with the lowest average low temperature) are February and March (3.9°C).

Average pressure in September
Ardcath, Ireland

  • Average pressure in September: 1015.2mbar

The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).

Average wind speed in September
Ardcath, Ireland

  • Average wind speed in September: 18.1km/h

The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).

Average humidity in September
Ardcath, Ireland

  • Average humidity in September: 85%

The months with the highest relative humidity are July and December (86%).
The months with the lowest relative humidity are March, April and May (83%).

Average rainfall in September
Ardcath, Ireland

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is May (19mm).

Average rainfall days in September
Ardcath, Ireland

  • Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.7 days).

Average snowfall in September
Ardcath, Ireland

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Ardcath, Ireland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.1 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
Ardcath, Ireland

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in September: 7h and 0min

The months with the most sunshine are April, May and June (Average sunshine: 7h and 30min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 18min).

Average sunshine days in September
Ardcath, Ireland

  • Average sunshine days in September: 16.4 days

The months with the most sunshine days are January and December (16.8 days).
The month with the least sunshine days is July (11 days).

Average UV index in September
Ardcath, Ireland

  • Average UV index in September: 4

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Ardcath, Ireland

  • Average cloud cover in September: 50

The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are April and September (Cloud cover 50).

Average visibility in September
Ardcath, Ireland

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).