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 sea temperature 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
With the onset of September, the average high-temperature registers at a still refreshing 14.7°C (58.5°F), subtly different from August's 16.1°C (61°F). In Criccieth, the nighttime temperature shows a slight difference from the daytime high, averaging to a frosty 9.7°C (49.5°F) during September.Humidity
In Criccieth, the average relative humidity in September is 87%.Rainfall
In Criccieth, during September, the rain falls for 15 days and regularly aggregates up to 52mm (2.05") of precipitation. In Criccieth, United Kingdom, during the entire year, the rain falls for 198.5 days and collects up to 770mm (30.31") of precipitation.Snowfall
In Criccieth, snow does not fall in July through September.Sea temperature
The month with the warmest seawater in Criccieth is September, with an average sea temperature of 15.7°C (60.3°F).Note: Most people do not find pleasure in swimming when the water temperature is 15.7°C (60.3°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Criccieth, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:17 am and sunset at 6:55 pm BST.
Sunshine
In Criccieth, the average sunshine in September is 5.5h.UV index
In Criccieth, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What is the temperature in September in Criccieth?
What is the average humidity in September in Criccieth?
How much does it rain in Criccieth in September?
When it does not snow in Criccieth?
Does it snow in Criccieth in September?
What month is the sea warmest in Criccieth?
What is the sea water temperature in September in Criccieth?
How many hours of daylight does Criccieth have in September?
What time are sunrise and sunset in September in Criccieth?
How long on average sun shines in September in Criccieth?
What is the UV index intensity in September in Criccieth?
Average temperature in September
Criccieth, United Kingdom
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.2°C).
Average pressure in September
Criccieth, United Kingdom
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in September
Criccieth, United Kingdom
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is June (12.6km/h).
Average humidity in September
Criccieth, United Kingdom
- Average humidity in September: 87%
The months with the highest relative humidity are January, August, October, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Criccieth, United Kingdom
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is November (79mm).
The driest months (with the least rainfall) are April and May (46mm).
Average rainfall days in September
Criccieth, United Kingdom
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Criccieth, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Criccieth, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are July, August and September (0 days).
Average sea temperature in September
Criccieth, United Kingdom
- Average sea temperature in September: 15.7°C
The best month for swimming (with the highest average sea temperature) is September (15.7°C).
The coldest months (with the lowest average sea temperature) are February and March (8.3°C).
Average daylight in September /
Average sunshine in September
Criccieth, United Kingdom
- 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 3min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Criccieth, United Kingdom
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is March (13.9 days).
The months with the least sunshine days are July and August (9.1 days).
Average UV index in September
Criccieth, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July 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
Criccieth, United Kingdom
- Average cloud cover in September: 62
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are April and May (Cloud cover 55).
Average visibility in September
Criccieth, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Criccieth, United Kingdom
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