September weather forecastOtterhampton, United Kingdom

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Otterhampton, United Kingdom, with an average temperature fluctuating between 10.2°C (50.4°F) and 17°C (62.6°F).

Temperature

With the onset of September, Otterhampton's average high-temperature clocks in at a still refreshing 17°C (62.6°F), showing a minor fluctuation from the previous month. In Otterhampton, an average nighttime temperature of 10.2°C (50.4°F) is expected during September.

Humidity

The average relative humidity in September in Otterhampton, United Kingdom, is 86%.

Rainfall

May and September are months with the least rain in Otterhampton when the rain falls for 14.7 days and typically aggregates up to 30mm (1.18") of rain.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day in Otterhampton is 12h and 38min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:52 pm BST.

Sunshine

In Otterhampton, the average sunshine in September is 6.6h.

UV index

In Otterhampton, 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 rays for ordinary individuals.
Note: An average maximum UV index of 3 in September leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

The high-temperature, in September, in Otterhampton, records 17°C (62.6°F), while the low-temperature is 10.2°C (50.4°F).

In September, the average relative humidity in Otterhampton is 86%.

The months with the least rainfall in Otterhampton are May and September Rain falls for 14.7 days and accumulates 30mm (1.18") of rain.

In September, the rain falls for 14.7 days. Throughout September, 30mm (1.18") of precipitation is accumulated.

May through October are months without snowfall in Otterhampton.

In September, the average day length is 12h and 38min.

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:57 pm. On the last day of the month, in Otterhampton, sunrise is at 7:12 am and sunset at 6:52 pm BST.

In Otterhampton, the average sunshine duration in September is 6.6h.

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Otterhampton, United Kingdom

  • Average high temperature in September: 17°C

The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (7.3°C).

  • Average low temperature in September: 10.2°C

The month with the highest average low temperature is August (12.4°C).
The coldest months (with the lowest average low temperature) are January and February (2.9°C).

Average pressure in September
Otterhampton, United Kingdom

  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).

Average wind speed in September
Otterhampton, United Kingdom

  • Average wind speed in September: 14.7km/h

The windiest month (with the highest average wind speed) is February (20.4km/h).
The calmest months (with the lowest average wind speed) are June and July (13.9km/h).

Average humidity in September
Otterhampton, United Kingdom

  • Average humidity in September: 86%

The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April, May and July (84%).

Average rainfall in September
Otterhampton, United Kingdom

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is December (59mm).
The driest months (with the least rainfall) are May and September (30mm).

Average rainfall days in September
Otterhampton, United Kingdom

  • Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (14 days).

Average snowfall in September
Otterhampton, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Otterhampton, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.1 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
Otterhampton, 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: 6h and 36min

The month with the most sunshine is July (Average sunshine: 7h and 48min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).

Average sunshine days in September
Otterhampton, United Kingdom

  • Average sunshine days in September: 12.2 days

The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is November (7.9 days).

Average UV index in September
Otterhampton, 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
Otterhampton, United Kingdom

  • Average cloud cover in September: 56

The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 51).

Average visibility in September
Otterhampton, United Kingdom

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).