September weather forecastFlashader, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Flashader, United Kingdom, with an average temperature varying between 11.8°C (53.2°F) and 13.8°C (56.8°F).Temperature
The commencement of September brings an average high-temperature of a still mild 13.8°C (56.8°F), marking an inconsequential divergence from August. Flashader notes a consistent average low-temperature of 11.8°C (53.2°F) during September nights.Humidity
The average relative humidity in September is 83%.Rainfall
In Flashader, during September, the rain falls for 23.1 days and regularly aggregates up to 98mm (3.86") of precipitation. Throughout the year, there are 263.3 rainfall days, and 1231mm (48.46") of precipitation is accumulated.Snowfall
In Flashader, snow does not fall in May through October.Daylight
In September, the average length of the day in Flashader is 12h and 47min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:22 pm. On the last day of September, in Flashader, United Kingdom, sunrise is at 7:28 am and sunset at 7:02 pm BST.
Sunshine
The average sunshine in September in Flashader, United Kingdom, is 5.5h.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 exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Flashader, United Kingdom
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is August (14.7°C).
The month with the lowest average high temperature is February (6.8°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in September
Flashader, United Kingdom
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The months with the lowest atmospheric pressure are November and December (1005.1mbar).
Average wind speed in September
Flashader, United Kingdom
- Average wind speed in September: 25.4km/h
The windiest month (with the highest average wind speed) is January (33.3km/h).
The calmest month (with the lowest average wind speed) is June (18km/h).
Average humidity in September
Flashader, 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 November and December (77%).
Average rainfall in September
Flashader, United Kingdom
- Average rainfall in September: 98mm
The wettest months (with the highest rainfall) are October and December (143mm).
The driest month (with the least rainfall) is April (53mm).
Average rainfall days in September
Flashader, United Kingdom
- Average rainfall days in September: 23.1 days
The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is June (18.2 days).
Average snowfall in September
Flashader, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Flashader, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Flashader, United Kingdom
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 5h and 30min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Flashader, United Kingdom
- Average sunshine days in September: 5.3 days
The month with the most sunshine days is June (8.9 days).
The month with the least sunshine days is January (3.6 days).
Average UV index in September
Flashader, 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, November and December (UV index 2).
Average cloud cover in September
Flashader, United Kingdom
- Average cloud cover in September: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Flashader, 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).
