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
At the onset of September, Gweek records an average high-temperature of a still enjoyable 16.4°C (61.5°F), showing little deviation from the preceding month. With a barely noticeable fluctuation in temperature, Gweek reaches an average low of 14.6°C (58.3°F) during the September nights.Humidity
In September, the average relative humidity is 82%.Rainfall
In September, in Gweek, the rain falls for 14.7 days. Throughout September, 34mm (1.34") of precipitation is accumulated. Throughout the year, in Gweek, United Kingdom, there are 204.9 rainfall days, and 617mm (24.29") of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
In September, the average length of the day in Gweek is 12h and 37min.On the first day of September in Gweek, sunrise is at 6:36 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:01 pm BST.
Sunshine
In Gweek, the average sunshine in September is 7.5h.UV index
In Gweek, 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 exposure to the Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Gweek in September?
What is the average humidity in September in Gweek?
How many days does it rain in September in Gweek?
When it does not snow in Gweek?
What is the average length of the day in September in Gweek?
When is the sunrise / sunset in September in Gweek?
How many hours of sunshine does Gweek have in September?
What is the UV index reading in September in Gweek?
Average temperature in September
Gweek, United Kingdom
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in September: 14.6°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).
Average pressure in September
Gweek, United Kingdom
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Gweek, United Kingdom
- Average wind speed in September: 24.3km/h
The windiest month (with the highest average wind speed) is December (32.9km/h).
The calmest month (with the lowest average wind speed) is July (20.8km/h).
Average humidity in September
Gweek, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are February, November and December (79%).
Average rainfall in September
Gweek, United Kingdom
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is November (91mm).
The driest month (with the least rainfall) is May (29mm).
Average rainfall days in September
Gweek, United Kingdom
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is December (21.7 days).
The month with the least rainy days is May (13.6 days).
Average snowfall in September
Gweek, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Gweek, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Gweek, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 3min
The months with the most sunshine are April and July (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in September
Gweek, United Kingdom
- Average sunshine days in September: 11 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is November (5.3 days).
Average UV index in September
Gweek, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Gweek, United Kingdom
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in September
Gweek, United Kingdom
- 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).
Gweek, United Kingdom
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