September weather forecastComber, United Kingdom

September

Weather in September

September, the first month of the autumn in Comber, is still a mild month, with an average temperature ranging between max 14.8°C (58.6°F) and min 10.1°C (50.2°F).

Temperature

The transition from August to September brings an average high-temperature of a mild 14.8°C (58.6°F), barely different from August's 16.7°C (62.1°F). The low temperature average during September reflects a slight decrease to a cool 10.1°C (50.2°F) from the day's peak.

Humidity

The average relative humidity in September in Comber is 87%.

Rainfall

In Comber, during September, the rain falls for 16.4 days and regularly aggregates up to 40mm (1.57") of precipitation. In Comber, United Kingdom, during the entire year, the rain falls for 220.2 days and collects up to 626mm (24.65") of precipitation.

Snowfall

In Comber, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 42min.
On the first day of September in Comber, sunrise is at 6:31 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:01 pm BST.

Sunshine

In September, the average sunshine in Comber is 6h.

UV index

In Comber, United Kingdom, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 3 during September translates into the following guidance:
Guard yourself - Precautionary measures against sun damage are advocated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

In September, the average high-temperature and low-temperature in Comber are 14.8°C (58.6°F) and 10.1°C (50.2°F) respectively.

In September, the average relative humidity in Comber is 87%.

In Comber, United Kingdom, in September, it is raining for 16.4 days, with typically 40mm (1.57") of accumulated precipitation.

In Comber, United Kingdom, snow does not fall in April through October.

The average day length in September is 12h and 42min.

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 8:14 pm. On the last day of the month, in Comber, sunrise is at 7:24 am and sunset at 7:01 pm BST.

In September, the average sunshine duration in Comber is 6h.

In Comber, United Kingdom, the average daily maximum UV index in September is 3. A UV Index estimate 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
Comber, United Kingdom

  • Average high temperature in September: 14.8°C

The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in September: 10.1°C

The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

Average pressure in September
Comber, United Kingdom

  • Average pressure in September: 1014.2mbar

The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).

Average wind speed in September
Comber, United Kingdom

  • Average wind speed in September: 17km/h

The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.7km/h).

Average humidity in September
Comber, United Kingdom

  • Average humidity in September: 87%

The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and May (83%).

Average rainfall in September
Comber, United Kingdom

  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is May (38mm).

Average rainfall days in September
Comber, United Kingdom

  • Average rainfall days in September: 16.4 days

The month with the highest number of rainy days is August (23 days).
The month with the least rainy days is April (16.1 days).

Average snowfall in September
Comber, 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
Comber, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Comber, United Kingdom

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in September: 6h and 0min

The month with the most sunshine is June (Average sunshine: 7h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in September
Comber, United Kingdom

  • Average sunshine days in September: 8.4 days

The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is August (5.6 days).

Average UV index in September
Comber, United Kingdom

  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Comber, United Kingdom

  • Average cloud cover in September: 58

The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 55).

Average visibility in September
Comber, 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).