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
In September, Crabby experiences a minor shift in meteorological conditions with average high-temperatures marked at a still comfortable 17.1°C (62.8°F), closely mirroring the climate in August. The nights of September are characterized by an average low-temperature of 15.4°C (59.7°F), subtly descending from daytime highs.Humidity
In September, the average relative humidity in Crabby is 80%.Rainfall
In Crabby, in September, it is raining for 13.6 days, with typically 33mm (1.3") of accumulated precipitation. In Crabby, during the entire year, the rain falls for 190.5 days and collects up to 559mm (22.01") of precipitation.Snowfall
February through October and December are months without snowfall in Crabby.Daylight
The average length of the day in September in Crabby is 12h and 36min.On the first day of September, sunrise is at 06:25 and sunset at 19:52. On the last day of the month, sunrise is at 07:08 and sunset at 18:49 BST.
Sunshine
In September, the average sunshine in Crabby is 8.5h.UV index
In Crabby, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the usual temperature for Crabby in September?
What is the average humidity in September in Crabby?
How many days does it rain in September in Crabby?
When it does not snow in Crabby?
What is the average length of the day in September in Crabby?
When are sunrise and sunset in September in Crabby?
How many hours of sunshine does Crabby have in September?
What is the UV index reading in September in Crabby?
Average temperature in September
Crabby, Guernsey
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (8.9°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).
Average pressure in September
Crabby, Guernsey
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).
Average wind speed in September
Crabby, Guernsey
- Average wind speed in September: 25.9km/h
The windiest month (with the highest average wind speed) is December (35.9km/h).
The calmest month (with the lowest average wind speed) is July (22km/h).
Average humidity in September
Crabby, Guernsey
- Average humidity in September: 80%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February, November and December (78%).
Average rainfall in September
Crabby, Guernsey
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (84mm).
The driest months (with the least rainfall) are May and July (26mm).
Average rainfall days in September
Crabby, Guernsey
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is November (22 days).
The month with the least rainy days is June (11.5 days).
Average snowfall in September
Crabby, Guernsey
- Average snowfall in September: 0mm
The months with the highest snowfall are January and November (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Crabby, Guernsey
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Crabby, Guernsey
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 0min).
Average sunshine days in September
Crabby, Guernsey
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is May (17.7 days).
The month with the least sunshine days is November (4.7 days).
Average UV index in September
Crabby, Guernsey
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Crabby, Guernsey
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Crabby, Guernsey
- 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).
Crabby, Guernsey
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