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
Leitrim's average high-temperature marks a still refreshing 15.1°C (59.2°F) with the advent of September, closely mirroring that of the preceding month. In the month of September, the temperature in Leitrim, Ireland, generally rests at an average low of 8.6°C (47.5°F).Humidity
In Leitrim, the average relative humidity in September is 90%.Rainfall
September is the month with the least rainfall in Leitrim. Rain falls for 13.3 days and accumulates 17mm (0.67") of precipitation.Snowfall
May through October are months without snowfall in Leitrim.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September in Leitrim, sunrise is at 6:41 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:10 pm IST.
Sunshine
In Leitrim, the average sunshine in September is 4.7h.UV index
In Leitrim, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during September translates into the following guidance:
Undertake precautions - Obligation exists to protect against skin and eye damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are September temperatures in Leitrim?
What is the average humidity in September in Leitrim?
What is the driest month in Leitrim?
How much does it rain in Leitrim in September?
When it does not snow in Leitrim?
How many hours of daylight does Leitrim have in September?
When is the sunrise / sunset in September in Leitrim?
How many hours of sunshine does Leitrim have in September?
What is the UV index reading in September in Leitrim?
Average temperature in September
Leitrim, Ireland
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is July (10.2°C).
The coldest months (with the lowest average low temperature) are January and February (2°C).
Average pressure in September
Leitrim, Ireland
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in September
Leitrim, Ireland
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).
Average humidity in September
Leitrim, Ireland
- Average humidity in September: 90%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall in September
Leitrim, Ireland
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in September
Leitrim, Ireland
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in September
Leitrim, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Leitrim, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Leitrim, 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: 4h and 4min
The month with the most sunshine is June (Average sunshine: 6h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in September
Leitrim, Ireland
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is March (12.4 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Leitrim, Ireland
- Average UV index in September: 3
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Leitrim, Ireland
- Average cloud cover in September: 69
The month with the most cloud cover is August (Cloud cover 75).
The month with the least cloud cover is April (Cloud cover 62).
Average visibility in September
Leitrim, Ireland
- Average visibility in September: 7km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are July, August and September (7km).
Leitrim, Ireland
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