September weather forecastBawnboy, Ireland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Bawnboy, Ireland, with an average temperature fluctuating between 15.2°C (59.4°F) and 8.4°C (47.1°F).Temperature
The onset of September brings with it an average high-temperature of a still refreshing 15.2°C (59.4°F), showing a negligible variation from the month before. In Bawnboy, the average temperature during the nights of September drops to a frosty 8.4°C (47.1°F).Humidity
In Bawnboy, Ireland, the average relative humidity in September is 90%.Rainfall
April and September are months with the least rain when the rain falls for 9 days and typically aggregates up to 13mm (0.51") of rain.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:21 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:09 pm IST.
Sunshine
The average sunshine in September in Bawnboy is 4.8h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bawnboy, Ireland
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (10.1°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Bawnboy, Ireland
- 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 (1007.5mbar).
Average wind speed in September
Bawnboy, Ireland
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is January (18km/h).
The calmest month (with the lowest average wind speed) is July (12km/h).
Average humidity in September
Bawnboy, Ireland
- Average humidity in September: 90%
The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (85%).
Average rainfall in September
Bawnboy, Ireland
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is August (27mm).
The driest months (with the least rainfall) are April and September (13mm).
Average rainfall days in September
Bawnboy, Ireland
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is September (9 days).
Average snowfall in September
Bawnboy, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Bawnboy, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.4 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
Bawnboy, Ireland
- Average daylight in September: 12h and 42min
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 30min).
- Average sunshine in September: 4h and 48min
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
Bawnboy, Ireland
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is March (16.4 days).
The month with the least sunshine days is August (12.4 days).
Average UV index in September
Bawnboy, Ireland
- Average UV index in September: 3
The months with the highest UV index are June and July (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
Bawnboy, Ireland
- Average cloud cover in September: 68
The months with the most cloud cover are July and August (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 61).
Average visibility in September
Bawnboy, 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).





