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
With the onset of September, Portgower's average high-temperature clocks in at a still refreshing 13.8°C (56.8°F), showing a minor fluctuation from the previous month. Portgower's nighttime temperature in September experiences a slight dip from daytime highs, falling to an average of 10.5°C (50.9°F).Humidity
The average relative humidity in September is 83%.Rainfall
In September, in Portgower, the rain falls for 10.9 days. Throughout September, 14mm (0.55") of precipitation is accumulated. Throughout the year, in Portgower, there are 147 rainfall days, and 202mm (7.95") of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September in Portgower is 12h and 48min.On the first day of September, sunrise is at 6:15 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 6:51 pm BST.
Sunshine
The average sunshine in September is 6.5h.UV index
The months with the highest UV index in Portgower are June, July and September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the average September temperature in Portgower?
What is the average humidity in September in Portgower?
How much does it rain in Portgower in September?
When it does not snow in Portgower?
How many hours of daylight does Portgower have in September?
When is the sunrise / sunset in September in Portgower?
How many hours of sunshine does Portgower have in September?
What are the months with the highest UV index in Portgower?
How high is the UV index in September in Portgower?
Average temperature in September
Portgower, United Kingdom
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is July (15.2°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (11.7°C).
The coldest month (with the lowest average low temperature) is February (3.6°C).
Average pressure in September
Portgower, United Kingdom
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in September
Portgower, United Kingdom
- Average wind speed in September: 19.5km/h
The windiest month (with the highest average wind speed) is January (26.8km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in September
Portgower, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are March and April (79%).
Average rainfall in September
Portgower, United Kingdom
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is July (24mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Portgower, United Kingdom
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Portgower, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is December (17mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Portgower, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (4.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Portgower, 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 36min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Portgower, United Kingdom
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is May (17.4 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in September
Portgower, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, July 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
Portgower, United Kingdom
- Average cloud cover in September: 55
The months with the most cloud cover are March and June (Cloud cover 59).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in September
Portgower, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
Portgower, United Kingdom
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