September weather forecastLong Stratton, United Kingdom

September

Weather in September

September, the first month of the autumn in Long Stratton, is also an enjoyable month, with an average temperature varying between 12.3°C (54.1°F) and 18.3°C (64.9°F).

Temperature

September brings an average high-temperature of a comfortable 18.3°C (64.9°F), nearly identical to the preceding month. The average temperature in Long Stratton drops to a fresh 12.3°C (54.1°F) during the night in the month of September.

Humidity

In Long Stratton, United Kingdom, the average relative humidity in September is 78%.

Rainfall

In September, the rain falls for 11.3 days. Throughout September, 17mm (0.67") of precipitation is accumulated. Throughout the year, there are 159.6 rainfall days, and 268mm (10.55") of precipitation is accumulated.

Snowfall

In Long Stratton, United Kingdom, snow does not fall in May through October.

Daylight

The average length of the day in September in Long Stratton is 12h and 40min.
On the first day of the month, sunrise is at 6:07 am and sunset at 7:42 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:34 pm BST.

Sunshine

The average sunshine in September in Long Stratton is 7.7h.

UV index

In Long Stratton, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Around midday, solar radiation is most harmful; hence, exposure should be limited. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

The average high-temperature, in September, in Long Stratton, is 18.3°C (64.9°F), while the average low-temperature is 12.3°C (54.1°F).

In Long Stratton, the average relative humidity in September is 78%.

In Long Stratton, in September, it is raining for 11.3 days, with typically 17mm (0.67") of accumulated precipitation.

In Long Stratton, United Kingdom, snow does not fall in May through October.

The average day length in September is 12h and 40min.

In September, on the first day of the month, sunrise is at 6:07 am and sunset at 7:42 pm. On the last day of the month, in Long Stratton, United Kingdom, sunrise is at 6:55 am and sunset at 6:34 pm BST.

The average sunshine duration in September is 7.7h.

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Long Stratton, United Kingdom

  • Average high temperature in September: 18.3°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 (6.4°C).

  • Average low temperature in September: 12.3°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).

Average pressure in September
Long Stratton, United Kingdom

  • Average pressure in September: 1016.5mbar

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
Long Stratton, United Kingdom

  • Average wind speed in September: 14.8km/h

The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is July (13.7km/h).

Average humidity in September
Long Stratton, United Kingdom

  • Average humidity in September: 78%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Long Stratton, United Kingdom

  • Average rainfall in September: 17mm

The wettest months (with the highest rainfall) are July and December (29mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in September
Long Stratton, United Kingdom

  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is September (11.3 days).

Average snowfall in September
Long Stratton, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (20mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Long Stratton, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.8 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
Long Stratton, 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 42min

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
Long Stratton, United Kingdom

  • Average sunshine days in September: 15.1 days

The months with the most sunshine days are March and April (15.3 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in September
Long Stratton, United Kingdom

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Long Stratton, United Kingdom

  • Average cloud cover in September: 44

The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 43).

Average visibility in September
Long Stratton, 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).