September weather forecastMillstreet, Ireland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Millstreet, Ireland, with an average temperature ranging between min 8.7°C (47.7°F) and max 15.5°C (59.9°F).Temperature
The shift into September records an average high-temperature of a mild 15.5°C (59.9°F), subtly varied from August's 16.7°C (62.1°F). Throughout September, Millstreet anticipates an average low-temperature of 8.7°C (47.7°F).Humidity
The average relative humidity in September in Millstreet is 89%.Rainfall
September is the month with the least rainfall in Millstreet. Rain falls for 13.6 days and accumulates 28mm (1.1") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September, sunrise is at 6:48 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:15 pm IST.
Sunshine
In Millstreet, the average sunshine in September is 4.6h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Millstreet, Ireland
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (17.1°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is March (2.8°C).
Average pressure in September
Millstreet, 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 (1008.7mbar).
Average wind speed in September
Millstreet, Ireland
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is February (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.2km/h).
Average humidity in September
Millstreet, Ireland
- Average humidity in September: 89%
The months with the highest relative humidity are January, October, November and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in September
Millstreet, Ireland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Millstreet, Ireland
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is January (18.8 days).
The month with the least rainy days is September (13.6 days).
Average snowfall in September
Millstreet, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Millstreet, Ireland
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and March (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Millstreet, Ireland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 4h and 36min
The month with the most sunshine is June (Average sunshine: 5h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Millstreet, Ireland
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is January (8.7 days).
Average UV index in September
Millstreet, Ireland
- Average UV index in September: 3
The months with the highest UV index are May, June and August (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
Millstreet, Ireland
- Average cloud cover in September: 71
The months with the most cloud cover are July and August (Cloud cover 74).
The month with the least cloud cover is April (Cloud cover 63).
Average visibility in September
Millstreet, Ireland
- Average visibility in September: 7km
The month with the highest visibility is February (9km).
The months with the lowest visibility are July, August and September (7km).
