September weather forecastFlagg, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Flagg, United Kingdom, with temperature in the range of an average high of 15.9°C (60.6°F) and an average low of 8.7°C (47.7°F).Temperature
Flagg greets September with an average high-temperature of a mild 15.9°C (60.6°F), marking a slight deviation from the preceding month. In Flagg, September nights cool down to an average of 8.7°C (47.7°F).Humidity
In September, the average relative humidity in Flagg is 86%.Rainfall
In Flagg, during September, the rain falls for 11.5 days and regularly aggregates up to 24mm (0.94") of precipitation. In Flagg, during the entire year, the rain falls for 152.3 days and collects up to 377mm (14.84") of precipitation.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September in Flagg is 12h and 40min.On the first day of September, sunrise is at 6:17 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:46 pm BST.
Sunshine
The average sunshine in September is 6h.UV index
In September, the average daily maximum UV index in Flagg is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Flagg, United Kingdom
- Average high temperature in September: 15.9°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is August (11.1°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Flagg, United Kingdom
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Flagg, United Kingdom
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is February (19.1km/h).
The calmest months (with the lowest average wind speed) are June and July (13.2km/h).
Average humidity in September
Flagg, United Kingdom
- Average humidity in September: 86%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Flagg, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Flagg, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Flagg, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is March (43mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Flagg, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 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
Flagg, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 6h and 0min
The month with the most sunshine is July (Average sunshine: 6h and 36min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).
Average sunshine days in September
Flagg, United Kingdom
- Average sunshine days in September: 16.1 days
The months with the most sunshine days are March and December (16.3 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Flagg, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (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
Flagg, United Kingdom
- Average cloud cover in September: 59
The month with the most cloud cover is November (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in September
Flagg, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April and May (9km).
The months with the lowest visibility are January, June, July, August, September, October, November and December (8km).
