September weather forecast
Glenamoy, Ireland

September

Weather in September

The first month of the autumn, September, is also a moderate month in Glenamoy, Ireland, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 14.5°C (58.1°F).

Temperature

In September, the average high-temperature registers at a still mild 14.5°C (58.1°F), nearly identical to August's 15.3°C (59.5°F). Nighttime temperature reflects an average dip to a still refreshing 13°C (55.4°F) in September, subtly cooler than its daytime highs.

Humidity

The average relative humidity in September in Glenamoy is 82%.

Rainfall

In September, the rain falls for 20.9 days. Throughout September, 62mm (2.44") of precipitation is accumulated. In Glenamoy, during the entire year, the rain falls for 261.2 days and collects up to 953mm (37.52") of precipitation.

Snowfall

February through October and December are months without snowfall.

Daylight

In September, the average length of the day is 12h and 42min.
On the first day of the month, sunrise is at 6:47 am and sunset at 8:29 pm. On the last day of September, sunrise is at 7:40 am and sunset at 7:17 pm IST.

Sunshine

In Glenamoy, the average sunshine in September is 5.6h.

UV index

The average daily maximum UV index in September in Glenamoy is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 3 in September translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What is the usual temperature for Glenamoy in September?
The high-temperature in Glenamoy during September is 14.5°C (58.1°F) and the low-temperature is 13°C (55.4°F).
What is the average humidity in September in Glenamoy?
In Glenamoy, the average relative humidity in September is 82%.
How much does it rain in Glenamoy in September?
In Glenamoy, Ireland, in September, it is raining for 20.9 days, with typically 62mm (2.44") of accumulated precipitation.
When it does not snow in Glenamoy?
February through October and December are months without snowfall in Glenamoy, Ireland.
How many hours of daylight does Glenamoy have in September?
In September, the average day length in Glenamoy is 12h and 42min.
What time are sunrise and sunset in September in Glenamoy?
In September, on the first day of the month, sunrise is at 6:47 am and sunset at 8:29 pm. On the last day of the month, in Glenamoy, Ireland, sunrise is at 7:40 am and sunset at 7:17 pm IST.
How long on average sun shines in September in Glenamoy?
In September, the average sunshine duration in Glenamoy, Ireland, is 5.6h.
What is the UV index reading in September in Glenamoy?
The average daily maximum UV index in September is 3. A UV Index value 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
Glenamoy, Ireland
  • Average high temperature in September: 14.5°C

The warmest month (with the highest average high temperature) is August (15.3°C).
The month with the lowest average high temperature is February (8.9°C).

  • Average low temperature in September: 13°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).

Average pressure in September
Glenamoy, Ireland
  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).

Average wind speed in September
Glenamoy, Ireland
  • Average wind speed in September: 28km/h

The windiest month (with the highest average wind speed) is December (36.7km/h).
The calmest month (with the lowest average wind speed) is July (22.4km/h).

Average humidity in September
Glenamoy, Ireland
  • Average humidity in September: 82%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are February, March, November and December (78%).

Average rainfall in September
Glenamoy, Ireland
  • Average rainfall in September: 62mm

The wettest month (with the highest rainfall) is December (107mm).
The driest month (with the least rainfall) is April (49mm).

Average rainfall days in September
Glenamoy, Ireland
  • Average rainfall days in September: 20.9 days

The month with the highest number of rainy days is August (24.9 days).
The month with the least rainy days is April (17.5 days).

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

The months with the highest snowfall are January and November (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0mm).

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

The month with the highest number of snowfall days is March (0.3 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
Glenamoy, 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 4min

The month with the most sunshine is June (Average sunshine: 8h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).

Average sunshine days in September
Glenamoy, Ireland
  • Average sunshine days in September: 6 days

The month with the most sunshine days is May (10.8 days).
The month with the least sunshine days is August (3.3 days).

Average UV index in September
Glenamoy, Ireland
  • Average UV index in September: 3

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

Average cloud cover in September
Glenamoy, Ireland
  • Average cloud cover in September: 61

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 55).

Average visibility in September
Glenamoy, Ireland
  • Average visibility in September: 9km

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

englishespañol中文
Share