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 sea temperature 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
The average high-temperature in September, at a moderate 14.5°C (58.1°F), reveals a modest deviation from August's 16.8°C (62.2°F). In September, the average low-temperature records at a chilly 8.2°C (46.8°F) during the nights.Humidity
The average relative humidity in September in Errol is 87%.Rainfall
In Errol, in September, during 15 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Errol, there are 193.4 rainfall days, and 508mm (20") of precipitation is accumulated.Snowfall
June through October are months without snowfall in Errol.Sea temperature
In September, the average sea temperature in Errol is 13.9°C (57°F).Note: Swimming in 13.9°C (57°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
In September, the average length of the day is 12h and 45min.On the first day of September in Errol, sunrise is at 6:17 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:50 pm BST.
Sunshine
The average sunshine in September is 6.5h.UV index
In Errol, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Take precautions - Protection against sunburn is recommended. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Errol?
What is the average humidity in September in Errol?
How many days does it rain in September in Errol?
When it does not snow in Errol?
How cold is the water in September in Errol?
What is the average length of the day in September in Errol?
When is the sunrise / sunset in September in Errol?
How many hours of sunshine does Errol have in September?
How high is the UV index in September in Errol?
Average temperature in September
Errol, United Kingdom
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is July (17.1°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is August (9.4°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Errol, United Kingdom
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in September
Errol, United Kingdom
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest months (with the lowest average wind speed) are June and July (11.1km/h).
Average humidity in September
Errol, United Kingdom
- Average humidity in September: 87%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Errol, United Kingdom
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Errol, United Kingdom
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Errol, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (55mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Errol, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in September
Errol, United Kingdom
- Average sea temperature in September: 13.9°C
The best month for swimming (with the highest average sea temperature) is August (14.4°C).
The coldest month (with the lowest average sea temperature) is March (6.8°C).
Average daylight in September /
Average sunshine in September
Errol, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is June (Average sunshine: 7h and 30min).
The months with the least sunshine are February and October (Average sunshine: 4h and 12min).
Average sunshine days in September
Errol, United Kingdom
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in September
Errol, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Errol, United Kingdom
- Average cloud cover in September: 56
The month with the most cloud cover is June (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Errol, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May and December (9km).
The months with the lowest visibility are June, July, August, September, October and November (8km).
