Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Drogheda records an average high-temperature of a mild 15°C (59°F) in September, maintaining a close correlation with August's 16.8°C (62.2°F). Drogheda welcomes an average low temperature of 10.5°C (50.9°F) in September, a gentle shift from the day's high.Humidity
The months with the highest humidity in Drogheda, Ireland, are July through September and December, with an average relative humidity of 87%.Rainfall
In September, in Drogheda, Ireland, the rain falls for 10.8 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Drogheda, Ireland, during the entire year, the rain falls for 163.9 days and collects up to 339mm (13.35") of precipitation.Snowfall
April through October are months without snowfall in Drogheda.Sea temperature
In Drogheda, the average seawater temperature in September is 14.7°C (58.5°F).Note: Dipping into 14.7°C (58.5°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.
Daylight
In Drogheda, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:04 pm IST.
Sunshine
In Drogheda, Ireland, the average sunshine in September is 6.3h.UV index
In Drogheda, Ireland, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Drogheda in September?
What is the most humid month in Drogheda?
What is the average humidity in September in Drogheda?
How many days does it rain in September in Drogheda?
When it does not snow in Drogheda?
What is the water temperature in September in Drogheda?
How many hours of daylight does Drogheda have in September?
When is the sunrise / sunset in September in Drogheda?
How many hours of sunshine does Drogheda have in September?
What is the UV index reading in September in Drogheda?
Average temperature in September
Drogheda, Ireland
- Average high temperature in September: 15°C
The warmest months (with the highest average high temperature) are July and August (16.8°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is February (3.4°C).
Average pressure in September
Drogheda, Ireland
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.8mbar).
Average wind speed in September
Drogheda, Ireland
- Average wind speed in September: 17.7km/h
The windiest month (with the highest average wind speed) is January (23.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.8km/h).
Average humidity in September
Drogheda, Ireland
- Average humidity in September: 87%
The months with the highest relative humidity are July, August, September and December (87%).
The months with the lowest relative humidity are March, April and May (84%).
Average rainfall in September
Drogheda, Ireland
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is November (45mm).
The driest month (with the least rainfall) is May (18mm).
Average rainfall days in September
Drogheda, Ireland
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in September
Drogheda, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Drogheda, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Drogheda, Ireland
- Average sea temperature in September: 14.7°C
The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in September /
Average sunshine in September
Drogheda, Ireland
- Average daylight in September: 12h and 4min
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 30min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Drogheda, Ireland
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in September
Drogheda, Ireland
- Average UV index in September: 3
The months with the highest UV index are June and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Drogheda, Ireland
- Average cloud cover in September: 54
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Drogheda, Ireland
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).
Drogheda, Ireland
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