September weather forecastEyeries, Ireland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Eyeries, Ireland, with an average temperature varying between 11.5°C (52.7°F) and 15.5°C (59.9°F).

Temperature

Shifting into September, Eyeries records an average high-temperature of a moderate 15.5°C (59.9°F), presenting minor fluctuations compared to the previous month. A minor drop in temperature is observed from daytime highs during the nights of September, averaging a cool 11.5°C (52.7°F).

Humidity

July through September, with an average relative humidity of 86%, are the most humid months in Eyeries.

Rainfall

In Eyeries, during September, the rain falls for 16 days and regularly aggregates up to 54mm (2.13") of precipitation. In Eyeries, during the entire year, the rain falls for 224 days and collects up to 816mm (32.13") of precipitation.

Snowfall

May through November are months without snowfall.

Daylight

In Eyeries, the average length of the day in September is 12h and 38min.
On the first day of September in Eyeries, sunrise is at 6:53 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:19 pm IST.

Sunshine

The average sunshine in September in Eyeries, Ireland, is 5.9h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index in Eyeries, Ireland. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the UV index of 4 transforms into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

The high-temperature in Eyeries, Ireland, during September is 15.5°C (59.9°F) and the low-temperature is 11.5°C (52.7°F).

The months with the highest humidity in Eyeries, Ireland, are July through September, with an average relative humidity of 86%.

The average relative humidity in September in Eyeries, Ireland, is 86%.

In Eyeries, in September, it is raining for 16 days, with typically 54mm (2.13") of accumulated precipitation.

In Eyeries, Ireland, snow does not fall in May through November.

The average day length in September is 12h and 38min.

On the first day of September in Eyeries, Ireland, sunrise is at 6:53 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:19 pm IST.

In Eyeries, the average sunshine duration in September is 5.9h.

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

In September, the average daily maximum UV index in Eyeries, Ireland, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Eyeries, Ireland

  • Average high temperature in September: 15.5°C

The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is February (8.4°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is July (12.7°C).
The coldest months (with the lowest average low temperature) are February and March (5.4°C).

Average pressure in September
Eyeries, Ireland

  • Average pressure in September: 1015.9mbar

The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).

Average wind speed in September
Eyeries, Ireland

  • Average wind speed in September: 18.8km/h

The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).

Average humidity in September
Eyeries, Ireland

  • Average humidity in September: 86%

The months with the highest relative humidity are July, August and September (86%).
The month with the lowest relative humidity is April (81%).

Average rainfall in September
Eyeries, Ireland

  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is December (106mm).
The driest month (with the least rainfall) is May (45mm).

Average rainfall days in September
Eyeries, Ireland

  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is January (21.6 days).
The month with the least rainy days is September (16 days).

Average snowfall in September
Eyeries, Ireland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (8mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Eyeries, Ireland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.6 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
Eyeries, Ireland

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 5h and 54min

The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Eyeries, Ireland

  • Average sunshine days in September: 10.7 days

The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is February (7 days).

Average UV index in September
Eyeries, 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
Eyeries, Ireland

  • Average cloud cover in September: 58

The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 54).

Average visibility in September
Eyeries, 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).