September weather forecastCroggan, United Kingdom
September
Weather in September
September, the first month of the autumn in Croggan, is still a mild month, with an average temperature fluctuating between 9.7°C (49.5°F) and 13.8°C (56.8°F).Temperature
The average high-temperature during September registers at a still refreshing 13.8°C (56.8°F), closely corresponding to the preceding month. Croggan's nights in September maintain a consistent average of 9.7°C (49.5°F), demonstrating a minimal differential from its daytime temperature.Humidity
The months with the highest humidity in Croggan, United Kingdom, are July through September, with an average relative humidity of 87%.Rainfall
In Croggan, in September, during 21.8 rainfall days, 93mm (3.66") of precipitation is typically accumulated. Throughout the year, in Croggan, United Kingdom, there are 251.8 rainfall days, and 1222mm (48.11") of precipitation is accumulated.Snowfall
May through November are months without snowfall in Croggan.Daylight
The average length of the day in September in Croggan is 12h and 45min.On the first day of the month, sunrise is at 6:27 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:00 pm BST.
Sunshine
In September, the average sunshine in Croggan is 5.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Take precautions - Protection against sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Croggan, United Kingdom
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is July (15.4°C).
The months with the lowest average high temperature are January and February (5.7°C).
- Average low temperature in September: 9.7°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 (2.7°C).
Average pressure in September
Croggan, United Kingdom
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is November (1006.1mbar).
Average wind speed in September
Croggan, United Kingdom
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is January (22.2km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in September
Croggan, United Kingdom
- Average humidity in September: 87%
The months with the highest relative humidity are July, August and September (87%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Croggan, United Kingdom
- Average rainfall in September: 93mm
The wettest month (with the highest rainfall) is December (144mm).
The driest month (with the least rainfall) is April (51mm).
Average rainfall days in September
Croggan, United Kingdom
- Average rainfall days in September: 21.8 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is April (18.1 days).
Average snowfall in September
Croggan, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (46mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Croggan, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Croggan, United Kingdom
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 5h and 12min
The month with the most sunshine is June (Average sunshine: 7h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Croggan, United Kingdom
- Average sunshine days in September: 6.6 days
The month with the most sunshine days is May (10.8 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in September
Croggan, United Kingdom
- 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
Croggan, United Kingdom
- Average cloud cover in September: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Croggan, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (9km).
The months with the lowest visibility are July and August (8km).





