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 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
Derrytrasna marks the start of September with an average high-temperature of a mild 14.9°C (58.8°F), hinting at a slight fluctuation from August's 16.6°C (61.9°F). Derrytrasna's nights in September cool down to an average low-temperature of 9.3°C (48.7°F).Humidity
In Derrytrasna, the average relative humidity in September is 88%.Rainfall
In September, in Derrytrasna, the rain falls for 10.7 days. Throughout September, 18mm (0.71") of precipitation is accumulated. In Derrytrasna, United Kingdom, during the entire year, the rain falls for 149.5 days and collects up to 246mm (9.69") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Derrytrasna is 12h and 42min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:04 pm BST.
Sunshine
In September, the average sunshine in Derrytrasna is 5.7h.UV index
The average daily maximum UV index in September in Derrytrasna is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the temperature in September in Derrytrasna?
What is the average humidity in September in Derrytrasna?
How many days does it rain in September in Derrytrasna?
When it does not snow in Derrytrasna?
How many hours of daylight does Derrytrasna have in September?
When is the sunrise / sunset in September in Derrytrasna?
How long on average sun shines in September in Derrytrasna?
How high is the UV index in September in Derrytrasna?
Average temperature in September
Derrytrasna, United Kingdom
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (10.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.3°C).
Average pressure in September
Derrytrasna, United Kingdom
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.4mbar).
Average wind speed in September
Derrytrasna, United Kingdom
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Derrytrasna, United Kingdom
- Average humidity in September: 88%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in September
Derrytrasna, United Kingdom
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is June (30mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Derrytrasna, United Kingdom
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and September (10.7 days).
Average snowfall in September
Derrytrasna, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Derrytrasna, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 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
Derrytrasna, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
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: 7h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Derrytrasna, United Kingdom
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is December (16 days).
The month with the least sunshine days is August (11.2 days).
Average UV index in September
Derrytrasna, United Kingdom
- 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
Derrytrasna, United Kingdom
- Average cloud cover in September: 60
The months with the most cloud cover are July and August (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in September
Derrytrasna, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
Derrytrasna, United Kingdom
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