September weather forecast
Castlebridge, Ireland

September

Weather in September

The first month of the autumn, September, is still a mild month in Castlebridge, Ireland, with an average temperature ranging between max 15.7°C (60.3°F) and min 11.5°C (52.7°F).

Temperature

September commences with an average high-temperature of a still refreshing 15.7°C (60.3°F), showing little deviation from August's 17.1°C (62.8°F). September nights in Castlebridge, Ireland, document an average temperature reading of 11.5°C (52.7°F).

Humidity

In September, the average relative humidity is 86%.

Rainfall

In Castlebridge, in September, it is raining for 9.9 days, with typically 15mm (0.59") of accumulated precipitation. In Castlebridge, during the entire year, the rain falls for 139.2 days and collects up to 222mm (8.74") of precipitation.

Snowfall

In Castlebridge, snow does not fall in March through October.

Daylight

In Castlebridge, Ireland, the average length of the day in September is 12h and 40min.
On the first day of the month, sunrise is at 6:37 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:05 pm IST.

Sunshine

In September, the average sunshine in Castlebridge, Ireland, is 7.3h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

What is the average September temperature in Castlebridge?
The average high-temperature, in September, in Castlebridge, is 15.7°C (60.3°F), while the average low-temperature is 11.5°C (52.7°F).
What is the average humidity in September in Castlebridge?
The average relative humidity in September in Castlebridge is 86%.
How much does it rain in Castlebridge in September?
In Castlebridge, Ireland, in September, during 9.9 rainfall days, 15mm (0.59") of precipitation is typically accumulated.
When it does not snow in Castlebridge?
March through October are months without snowfall.
What is the average length of the day in September in Castlebridge?
In Castlebridge, Ireland, the average day length in September is 12h and 40min.
When is the sunrise / sunset in September in Castlebridge?
On the first day of September in Castlebridge, sunrise is at 6:37 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:05 pm IST.
How long on average sun shines in September in Castlebridge?
In September, the average sunshine duration is 7.3h.
When is the highest UV index in Castlebridge?
June through September, with an average maximum UV index of 4, are months with the highest UV index in Castlebridge.
What is the UV index intensity in September in Castlebridge?
The average daily maximum UV index in September in Castlebridge, Ireland, is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Castlebridge, Ireland
  • Average high temperature in September: 15.7°C

The warmest month (with the highest average high temperature) is July (17.2°C).
The months with the lowest average high temperature are January and February (8.3°C).

  • Average low temperature in September: 11.5°C

The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).

Average pressure in September
Castlebridge, Ireland
  • Average pressure in September: 1016.1mbar

The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009mbar).

Average wind speed in September
Castlebridge, Ireland
  • Average wind speed in September: 19.8km/h

The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is July (17.5km/h).

Average humidity in September
Castlebridge, Ireland
  • Average humidity in September: 86%

The month with the highest relative humidity is July (87%).
The months with the lowest relative humidity are February, March and April (83%).

Average rainfall in September
Castlebridge, Ireland
  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is November (37mm).
The driest month (with the least rainfall) is May (9mm).

Average rainfall days in September
Castlebridge, Ireland
  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is February (9.8 days).

Average snowfall in September
Castlebridge, Ireland
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (4mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Castlebridge, Ireland
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (1.1 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
Castlebridge, Ireland
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in September
Castlebridge, Ireland
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in September
Castlebridge, Ireland
  • Average UV index in September: 4

The months with the highest UV index are 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
Castlebridge, Ireland
  • Average cloud cover in September: 48

The months with the most cloud cover are February and December (Cloud cover 57).
The months with the least cloud cover are April, May, June and September (Cloud cover 48).

Average visibility in September
Castlebridge, Ireland
  • Average visibility in September: 10km

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

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