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
The arrival of September marks a slight shift to an average high-temperature of a still refreshing 15.6°C (60.1°F) from August's 17.5°C (63.5°F). During September, the temperature is averaged to a low of 9°C (48.2°F) at night.Humidity
In September, the average relative humidity is 89%.Rainfall
In Celbridge, in September, during 12.7 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 170.7 rainfall days, and 271mm (10.67") of precipitation is accumulated.Snowfall
In Celbridge, Ireland, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September, sunrise is at 6:36 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:04 pm IST.
Sunshine
In Celbridge, the average sunshine in September is 5.8h.UV index
In Celbridge, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 in September translates into these instructions:
Take precautions - Protection against skin and eye damage is obliged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Celbridge?
What is the average humidity in September in Celbridge?
How much does it rain in Celbridge in September?
When it does not snow in Celbridge?
How many hours of daylight does Celbridge have in September?
When are sunrise and sunset in September in Celbridge?
How long on average sun shines in September in Celbridge?
What is the UV index intensity in September in Celbridge?
Average temperature in September
Celbridge, Ireland
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in September
Celbridge, Ireland
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in September
Celbridge, Ireland
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is January (20.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.3km/h).
Average humidity in September
Celbridge, Ireland
- Average humidity in September: 89%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are March and April (85%).
Average rainfall in September
Celbridge, Ireland
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are January, April and October (16mm).
Average rainfall days in September
Celbridge, Ireland
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Celbridge, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Celbridge, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Celbridge, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is April (Average sunshine: 6h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Celbridge, Ireland
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in September
Celbridge, 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
Celbridge, Ireland
- Average cloud cover in September: 60
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in September
Celbridge, Ireland
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
Celbridge, Ireland
Weather forecast for your location
2. Allow the app to use your location