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
Lybster's transition from August to September introduces an average high-temperature of a still moderate 13.8°C (56.8°F), marking an insignificant variation from the 15°C (59°F). Lybster maintains an average of approximately a fresh 10.8°C (51.4°F) during September nights, with only a minimal decrease from the daytime temperature.Humidity
In Lybster, the average relative humidity in September is 83%.Rainfall
In Lybster, in September, during 15.5 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Lybster, during the entire year, the rain falls for 190.1 days and collects up to 289mm (11.38") of precipitation.Snowfall
In Lybster, United Kingdom, snow does not fall in June through October.Daylight
The average length of the day in September in Lybster is 12h and 48min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:16 am and sunset at 6:49 pm BST.
Sunshine
In September, the average sunshine is 6.5h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Lybster?
What is the average humidity in September in Lybster?
How many days does it rain in September in Lybster?
When it does not snow in Lybster?
How many hours of daylight does Lybster have in September?
What time are sunrise and sunset in September in Lybster?
How long on average sun shines in September in Lybster?
When is the highest UV index in Lybster?
How high is the UV index in September in Lybster?
Average temperature in September
Lybster, United Kingdom
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is August (15°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in September
Lybster, United Kingdom
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1004.6mbar).
Average wind speed in September
Lybster, United Kingdom
- Average wind speed in September: 22.6km/h
The windiest month (with the highest average wind speed) is January (30.4km/h).
The calmest month (with the lowest average wind speed) is July (17.5km/h).
Average humidity in September
Lybster, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February, March, April, November and December (79%).
Average rainfall in September
Lybster, United Kingdom
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (31mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Lybster, United Kingdom
- Average rainfall days in September: 15.5 days
The months with the highest number of rainy days are October and November (18.5 days).
The month with the least rainy days is February (13 days).
Average snowfall in September
Lybster, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are February and December (19mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Lybster, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Lybster, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in September
Lybster, United Kingdom
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is June (12.5 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in September
Lybster, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, July, August and September (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
Lybster, United Kingdom
- Average cloud cover in September: 55
The month with the most cloud cover is March (Cloud cover 60).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in September
Lybster, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Lybster, United Kingdom
Weather forecast for your location
2. Allow the app to use your location