September weather forecastDunstable, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Dunstable, United Kingdom, with an average temperature fluctuating between 18.2°C (64.8°F) and 10.5°C (50.9°F).Temperature
In September, Dunstable's weather conditions record an average high-temperature of a comfortable 18.2°C (64.8°F), demonstrating little divergence from the preceding month. Throughout September, Dunstable's nights cool down to an average of 10.5°C (50.9°F).Humidity
In September, the average relative humidity is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 23mm (0.91") of precipitation.Snowfall
In Dunstable, snow does not fall in May through October.Daylight
In September, the average length of the day in Dunstable is 12h and 39min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:48 pm. On the last day of September, in Dunstable, sunrise is at 7:02 am and sunset at 6:41 pm BST.
Sunshine
The average sunshine in September in Dunstable is 6.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. 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
Dunstable, United Kingdom
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Dunstable, United Kingdom
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Dunstable, United Kingdom
- Average wind speed in September: 13.3km/h
The windiest months (with the highest average wind speed) are February and December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in September
Dunstable, United Kingdom
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Dunstable, United Kingdom
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Dunstable, United Kingdom
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in September
Dunstable, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Dunstable, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Dunstable, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 6h and 54min
The months with the most sunshine are July and August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Dunstable, United Kingdom
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in September
Dunstable, 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
Dunstable, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Dunstable, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
