September weather forecastHenstead, United Kingdom
September
Weather in September
September, the first month of the autumn in Henstead, is still a refreshing month, with an average temperature varying between 17.5°C (63.5°F) and 13.6°C (56.5°F).Temperature
Henstead's average high-temperature in September is a still comfortable 17.5°C (63.5°F), marking an insignificant difference from the 19.7°C (67.5°F) of August. A slight dip in temperature to a still refreshing 13.6°C (56.5°F) marks the average nights in Henstead during September.Humidity
The months with the lowest humidity in Henstead, United Kingdom, are August and September, with an average relative humidity of 77%.Rainfall
In Henstead, in September, it is raining for 12.5 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, in Henstead, there are 170.3 rainfall days, and 349mm (13.74") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Henstead.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:40 pm. On the last day of September, in Henstead, sunrise is at 6:53 am and sunset at 6:32 pm BST.
Sunshine
The average sunshine in September is 7.9h.UV index
In Henstead, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The midday Sun can be dangerous due to its intense radiation; always find shade and 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
Henstead, United Kingdom
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure in September
Henstead, United Kingdom
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Henstead, United Kingdom
- Average wind speed in September: 19.6km/h
The windiest month (with the highest average wind speed) is December (26.9km/h).
The calmest month (with the lowest average wind speed) is July (17.2km/h).
Average humidity in September
Henstead, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in September
Henstead, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is October (41mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Henstead, United Kingdom
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is November (17.1 days).
The month with the least rainy days is April (11.7 days).
Average snowfall in September
Henstead, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Henstead, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 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
Henstead, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in September
Henstead, United Kingdom
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in September
Henstead, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Henstead, United Kingdom
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Henstead, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
