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
The transition into September is marked with an average high-temperature of a still refreshing 16.3°C (61.3°F), showing an insignificant shift from August's 18.3°C (64.9°F). During September, an average low-temperature of 10°C (50°F) is observed in Port Clarence.Humidity
The average relative humidity in September is 82%.Rainfall
In September, in Port Clarence, the rain falls for 14.1 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Port Clarence, during the entire year, the rain falls for 185 days and collects up to 405mm (15.94") of precipitation.Snowfall
In Port Clarence, snow does not fall in May through October.Daylight
In September, the average length of the day in Port Clarence is 12h and 43min.On the first day of the month, sunrise is at 6:13 am and sunset at 7:56 pm. On the last day of September, in Port Clarence, sunrise is at 7:06 am and sunset at 6:43 pm BST.
Sunshine
The average sunshine in September is 7.4h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are September temperatures in Port Clarence?
What is the average humidity in September in Port Clarence?
How many days does it rain in September in Port Clarence?
When it does not snow in Port Clarence?
What is the average length of the day in September in Port Clarence?
What time are sunrise and sunset in September in Port Clarence?
How many hours of sunshine does Port Clarence have in September?
When is the highest UV index in Port Clarence?
What is the UV index reading in September in Port Clarence?
Average temperature in September
Port Clarence, United Kingdom
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Port Clarence, United Kingdom
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in September
Port Clarence, United Kingdom
- Average wind speed in September: 15.6km/h
The windiest month (with the highest average wind speed) is December (19.9km/h).
The calmest month (with the lowest average wind speed) is June (13.3km/h).
Average humidity in September
Port Clarence, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are April and May (80%).
Average rainfall in September
Port Clarence, United Kingdom
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Port Clarence, United Kingdom
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in September
Port Clarence, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Port Clarence, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Port Clarence, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Port Clarence, United Kingdom
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is April (13.8 days).
The month with the least sunshine days is July (7.6 days).
Average UV index in September
Port Clarence, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, 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
Port Clarence, United Kingdom
- Average cloud cover in September: 48
The month with the most cloud cover is November (Cloud cover 59).
The months with the least cloud cover are April and September (Cloud cover 48).
Average visibility in September
Port Clarence, 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).
Port Clarence, United Kingdom
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