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
September
Weather in September
Temperature
September notes an average high-temperature of a still moderate 13.8°C (56.8°F), subtly differing from August's 15°C (59°F). A mean low-temperature of 10.8°C (51.4°F) is a distinguishing feature of September in Ulbster, indicating a slight dip from daytime highs.Humidity
In Ulbster, the average relative humidity in September is 83%.Rainfall
In Ulbster, in September, it is raining for 15.5 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, there are 190.1 rainfall days, and 289mm (11.38") of precipitation is accumulated.Snowfall
In Ulbster, United Kingdom, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 49min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:16 am and sunset at 6:48 pm BST.
Sunshine
The average sunshine in September is 6.5h.UV index
June through September, with an average maximum UV index of 4, are months with the highest UV index in Ulbster, United Kingdom. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ulbster in September?
What is the average humidity in September in Ulbster?
How many days does it rain in September in Ulbster?
When it does not snow in Ulbster?
What is the average length of the day in September in Ulbster?
When is the sunrise / sunset in September in Ulbster?
How long on average sun shines in September in Ulbster?
What is the month with the highest UV index in Ulbster?
What is the UV index reading in September in Ulbster?
Average temperature in September
Ulbster, 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
Ulbster, 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
Ulbster, 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
Ulbster, 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
Ulbster, 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
Ulbster, 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
Ulbster, 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
Ulbster, 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
Ulbster, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
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
Ulbster, 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
Ulbster, 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
Ulbster, 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
Ulbster, 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).
