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 transition into September is marked with an average high-temperature of a still refreshing 15.5°C (59.9°F), showing an insignificant shift from August's 17.4°C (63.3°F). During September, Carlow records a consistent average nighttime temperature of 8.4°C (47.1°F).Humidity
The average relative humidity in September is 90%.Rainfall
In September, the rain falls for 11.3 days. Throughout September, 17mm (0.67") of precipitation is accumulated. Throughout the year, there are 167.6 rainfall days, and 283mm (11.14") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Carlow is 12h and 40min.On the first day of September in Carlow, sunrise is at 6:39 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:06 pm IST.
Sunshine
The average sunshine in September in Carlow is 5.9h.UV index
In Carlow, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Carlow?
What is the average humidity in September in Carlow?
How much does it rain in Carlow in September?
When it does not snow in Carlow?
What is the average length of the day in September in Carlow?
What time are sunrise and sunset in September in Carlow?
How many hours of sunshine does Carlow have in September?
What is the UV index reading in September in Carlow?
Average temperature in September
Carlow, Ireland
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in September
Carlow, Ireland
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).
Average wind speed in September
Carlow, Ireland
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Carlow, 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 (86%).
Average rainfall in September
Carlow, Ireland
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (16mm).
Average rainfall days in September
Carlow, Ireland
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in September
Carlow, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is November (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Carlow, 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 and October (0 days).
Average daylight in September /
Average sunshine in September
Carlow, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The months with the least sunshine are February, November and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Carlow, Ireland
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Carlow, Ireland
- Average UV index in September: 3
The months with the highest UV index are 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
Carlow, Ireland
- Average cloud cover in September: 62
The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in September
Carlow, Ireland
- Average visibility in September: 7km
The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are July, August and September (7km).
Carlow, Ireland
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