September weather forecastWicklow, Ireland

September

Weather in September

With the arrival of September, Wicklow begins to transition from the summer warmth to the milder autumn temperatures, fluctuating between 10°C (50°F) and 18.1°C (64.6°F). Daylight recedes to about 12.7 hours, and sunshine averages 4.5 hours per day. The falling leaves, combined with rainfall measuring 72mm (2.83"), mark the onset of autumn. As September advances, be ready for gradually shortening days and cooler nights.

Temperature

In Wicklow, the average high-temperature in September slightly decreases from a pleasant 21.2°C (70.2°F) in August to an enjoyable 18.1°C (64.6°F). Wicklow records an average temperature drop to a cool 10°C (50°F) in September.

Rainfall

In Wicklow, in September, during 9 rainfall days, 72mm (2.83") of precipitation is typically accumulated. In Wicklow, during the entire year, the rain falls for 129 days and collects up to 934mm (36.77") of precipitation.

Daylight

The average length of the day in September is 12h and 40min.
On the first day of the month, sunrise is at 6:35 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:03 pm IST.

Sunshine

In Wicklow, the average sunshine in September is 4.5h.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Wicklow during September are 18.1°C (64.6°F) and 10°C (50°F) respectively.

In Wicklow, during September, the rain falls for 9 days and regularly aggregates up to 72mm (2.83") of precipitation.

In September, the average day length in Wicklow is 12h and 40min.

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 8:12 pm. On the last day of the month, in Wicklow, Ireland, sunrise is at 7:24 am and sunset at 7:03 pm IST.

In September, the average sunshine duration in Wicklow, Ireland, is 4.5h.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

21.2°C

18.1°C

14.8°C

Average low temperature

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average temperature in September
Wicklow, Ireland

Average high temperature in September: 18.1°C

The warmest month (with the highest average high temperature) is August (21.2°C).
The months with the lowest average high temperature are January and December (9.2°C).

Average low temperature in September: 10°C

The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

Average rainfall in September
Wicklow, Ireland

Average rainfall in September: 72.1mm

The wettest month (with the highest rainfall) is October (118.9mm).
The driest month (with the least rainfall) is April (60.7mm).

Average rainfall days in September
Wicklow, Ireland

Average rainfall days in September: 9 days

The month with the highest number of rainy days is January (14 days).
The months with the least rainy days are March and September (9 days).

Average daylight in September /
Average sunshine in September
Wicklow, Ireland

Average daylight in September: 12h and 42min

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: 4h and 30min

The month with the most sunshine is May (Average sunshine: 6h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).