September weather forecastHarkstead, United Kingdom
September
Weather in September
September, the first month of the autumn in Harkstead, is still a comfortable month, with an average temperature fluctuating between 12.7°C (54.9°F) and 18.4°C (65.1°F).Temperature
The average high-temperature during September registers at an enjoyable 18.4°C (65.1°F), maintaining a close resemblance to the previous month. Throughout September, Harkstead witnesses a consistent average low-temperature of 12.7°C (54.9°F).Humidity
In Harkstead, the average relative humidity in September is 77%.Rainfall
In Harkstead, during September, the rain falls for 12.2 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, there are 175.8 rainfall days, and 418mm (16.46") of precipitation is accumulated.Snowfall
In Harkstead, snow does not fall in April through October.Daylight
In Harkstead, the average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 6:08 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:34 pm BST.
Sunshine
In September, the average sunshine is 7.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Harkstead, United Kingdom
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in September
Harkstead, 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 (1010.4mbar).
Average wind speed in September
Harkstead, United Kingdom
- Average wind speed in September: 16.2km/h
The windiest month (with the highest average wind speed) is December (21.9km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).
Average humidity in September
Harkstead, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Harkstead, United Kingdom
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is December (48mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Harkstead, United Kingdom
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in September
Harkstead, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Harkstead, 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
Harkstead, 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: 7h and 48min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Harkstead, United Kingdom
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
Harkstead, 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
Harkstead, United Kingdom
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 43).
Average visibility in September
Harkstead, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are March, June, August and September (10km).
The months with the lowest visibility are January, February, April, May, July, October, November and December (9km).





