September weather forecast
Bantry, Ireland

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Weather in September

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

Temperature

Bantry records an average high-temperature of a still refreshing 15.5°C (59.9°F) as September arrives, nearly mirroring the previous month's climate. Bantry, during September nights, observes a steady temperature, averaging at a cool 11.5°C (52.7°F).

Humidity

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

Rainfall

In Bantry, in September, it is raining for 16 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, in Bantry, there are 224 rainfall days, and 816mm (32.13") of precipitation is accumulated.

Snowfall

In Bantry, snow does not fall in May through November.

Sea temperature

In Bantry, in September, the average water temperature is 15.8°C (60.4°F).
Note: Swimming in water with a temperature of 15.8°C (60.4°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.

Daylight

The average length of the day in September in Bantry is 12h and 38min.
On the first day of September in Bantry, sunrise is at 6:51 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:17 pm IST.

Sunshine

In September, the average sunshine is 5.9h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index in Bantry. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the average September temperature in Bantry?

In Bantry, 15.5°C (59.9°F) is the average high-temperature and 11.5°C (52.7°F) is the average low-temperature during September.

What is the most humid month in Bantry?

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

What is the average humidity in September in Bantry?

The average relative humidity in September in Bantry is 86%.

How many days does it rain in September in Bantry?

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

When it does not snow in Bantry?

May through November are months without snowfall in Bantry.

What is the sea water temperature in September in Bantry?

In Bantry, Ireland, the average seawater temperature in September is 15.8°C (60.4°F). Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Bantry have in September?

In September, the average day length in Bantry is 12h and 38min.

When are sunrise and sunset in September in Bantry?

On the first day of September in Bantry, Ireland, sunrise is at 6:51 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:17 pm IST.

How many hours of sunshine does Bantry have in September?

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

What is the month with the highest UV index in Bantry?

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

What is the UV index intensity in September in Bantry?

The average daily maximum UV index in September in Bantry is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
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
Bantry, Ireland

Average temperature in September - Bantry, 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).

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Average pressure in September
Bantry, Ireland

Average pressure in September - Bantry, 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).

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Average wind speed in September
Bantry, Ireland

Average wind speed in September - Bantry, 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).

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Average humidity in September
Bantry, Ireland

Average humidity in September - Bantry, 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%).

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Average rainfall in September
Bantry, Ireland

Average rainfall in September - Bantry, 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).

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Average rainfall days in September
Bantry, Ireland

Average rainfall days in September - Bantry, 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).

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Average snowfall in September
Bantry, Ireland

Average snowfall in September - Bantry, 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).

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Average snowfall days in September
Bantry, Ireland

Average snowfall days in September - Bantry, 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).

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Average sea temperature in September
Bantry, Ireland

Average sea temperature in September - Bantry, Ireland
  • Average sea temperature in September: 15.8°C

The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is March (9.8°C).

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Average daylight in September /
Average sunshine in September
Bantry, Ireland

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

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 5min

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).

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Average sunshine days in September
Bantry, Ireland

Average sunshine days in September - Bantry, 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).

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Average UV index in September
Bantry, Ireland

Average UV index in September - Bantry, 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).

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Average cloud cover in September
Bantry, Ireland

Average cloud cover in September - Bantry, 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).

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Average visibility in September
Bantry, Ireland

Average visibility in September - Bantry, 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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Bantry, Ireland

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