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
September
Weather in September
Temperature
The ushering in of September brings an average high-temperature of a mild 15.5°C (59.9°F), closely mirroring the 16.5°C (61.7°F) of August. Ballydehob's average temperature during the nights of September is recorded at 13.6°C (56.5°F).Humidity
In Ballydehob, the average relative humidity in September is 83%.Rainfall
In Ballydehob, during September, the rain falls for 12.7 days and regularly aggregates up to 32mm (1.26") of precipitation. In Ballydehob, during the entire year, the rain falls for 184.3 days and collects up to 512mm (20.16") of precipitation.Snowfall
In Ballydehob, snow does not fall in March through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:51 am and sunset at 8:23 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:17 pm IST.
Sunshine
In September, the average sunshine is 6.7h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in Ballydehob in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Ballydehob?
What is the month with the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Ballydehob, Ireland
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is August (16.5°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is March (7.1°C).
Average pressure in September
Ballydehob, Ireland
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in September
Ballydehob, Ireland
- Average wind speed in September: 26.3km/h
The windiest month (with the highest average wind speed) is December (35km/h).
The calmest month (with the lowest average wind speed) is June (23.1km/h).
Average humidity in September
Ballydehob, Ireland
- Average humidity in September: 83%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall in September
Ballydehob, Ireland
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is December (73mm).
The driest month (with the least rainfall) is July (30mm).
Average rainfall days in September
Ballydehob, Ireland
- Average rainfall days in September: 12.7 days
The months with the highest number of rainy days are January and December (18.5 days).
The month with the least rainy days is June (12 days).
Average snowfall in September
Ballydehob, Ireland
- Average snowfall in September: 0mm
The months with the highest snowfall are January, February, November and December (1mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ballydehob, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 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
Ballydehob, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Ballydehob, Ireland
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is June (15.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Ballydehob, Ireland
- Average UV index in September: 4
The months with the highest UV index are June, July, August and September (UV index 4).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Ballydehob, Ireland
- Average cloud cover in September: 50
The months with the most cloud cover are January and December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in September
Ballydehob, Ireland
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
