September weather forecastHassocks, United Kingdom

September weather for Hassocks, United Kingdom: September, the first month of the autumn in Hassocks, is still a comfortable month, with an average temperature fluctuating between 17.8°C (64°F) and 12.9°C (55.2°F). The months with the lowest humidity in Hassocks are August and September, with an average relative humidity of 79%.

September

Weather in September

September, the first month of the autumn in Hassocks, is still a comfortable month, with an average temperature fluctuating between 17.8°C (64°F) and 12.9°C (55.2°F).

Temperature

The arrival of September brings an average high-temperature of a still refreshing 17.8°C (64°F), subtly diverging from August's 19.7°C (67.5°F). September's average low-temperature is a fresh 12.9°C (55.2°F), reflecting a minor difference from the day's peak temperatures.

Humidity

The months with the lowest humidity in Hassocks are August and September, with an average relative humidity of 79%.

Rainfall

In Hassocks, in September, during 12.8 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Hassocks, United Kingdom, during the entire year, the rain falls for 183 days and collects up to 470mm (18.5") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Hassocks, the average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 6:15 am and sunset at 7:45 pm. On the last day of September, in Hassocks, sunrise is at 7:00 am and sunset at 6:40 pm BST.

Sunshine

In September, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

During September, Hassocks experiences an average high-temperature of 17.8°C (64°F) and a low-temperature of 12.9°C (55.2°F).

The months with the lowest humidity in Hassocks are August and September, with an average relative humidity of 79%.

The average relative humidity in September in Hassocks is 79%.

In September, in Hassocks, the rain falls for 12.8 days. Throughout September, 33mm (1.3") of precipitation is accumulated.

In Hassocks, snow does not fall in May through October.

The average day length in September in Hassocks, United Kingdom, is 12h and 38min.

In September, on the first day of the month, sunrise is at 6:15 am and sunset at 7:45 pm. On the last day of the month, in Hassocks, United Kingdom, sunrise is at 7:00 am and sunset at 6:40 pm BST.

In September, the average sunshine duration in Hassocks is 8.3h.

The average daily maximum UV index in September in Hassocks is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Hassocks, United Kingdom

  • Average high temperature in September: 17.8°C

The warmest month (with the highest average high temperature) is August (19.7°C).
The months with the lowest average high temperature are January and February (7.5°C).

  • Average low temperature in September: 12.9°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).

Average pressure in September
Hassocks, United Kingdom

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011mbar).

Average wind speed in September
Hassocks, United Kingdom

  • Average wind speed in September: 18.1km/h

The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is July (16.8km/h).

Average humidity in September
Hassocks, United Kingdom

  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (79%).

Average rainfall in September
Hassocks, United Kingdom

  • Average rainfall in September: 33mm

The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in September
Hassocks, United Kingdom

  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is September (12.8 days).

Average snowfall in September
Hassocks, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (8mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Hassocks, United Kingdom

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (1.7 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
Hassocks, United Kingdom

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in September
Hassocks, United Kingdom

  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is November (8.2 days).

Average UV index in September
Hassocks, 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 and November (UV index 2).

Average cloud cover in September
Hassocks, United Kingdom

  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in September
Hassocks, United Kingdom

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).