September weather forecastRaphoe, Ireland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Raphoe, Ireland, with an average temperature fluctuating between 14.8°C (58.6°F) and 8.5°C (47.3°F).Temperature
Raphoe records an average high-temperature of a moderate 14.8°C (58.6°F) as September arrives, nearly mirroring the previous month's climate. During September, Raphoe's temperature falls to a steady low-temperature average of 8.5°C (47.3°F).Humidity
In September, the average relative humidity is 89%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 16mm (0.63") of precipitation.Snowfall
In Raphoe, Ireland, snow does not fall in May through October.Daylight
In Raphoe, the average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 6:38 am and sunset at 8:22 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:08 pm IST.
Sunshine
In September, the average sunshine is 4.8h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 in September translates into these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Raphoe, Ireland
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in September
Raphoe, Ireland
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.7mbar).
Average wind speed in September
Raphoe, Ireland
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is January (18.2km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in September
Raphoe, Ireland
- Average humidity in September: 89%
The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in September
Raphoe, Ireland
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (36mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in September
Raphoe, Ireland
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (12.1 days).
Average snowfall in September
Raphoe, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Raphoe, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Raphoe, Ireland
- Average daylight in September: 12h and 42min
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 18min).
- Average sunshine in September: 4h and 48min
The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Raphoe, Ireland
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is October (13.1 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in September
Raphoe, 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
Raphoe, Ireland
- Average cloud cover in September: 68
The month with the most cloud cover is August (Cloud cover 73).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in September
Raphoe, Ireland
- Average visibility in September: 8km
The months with the highest visibility are February, March and April (9km).
The months with the lowest visibility are July and August (7km).





