September weather forecast and climate
Bournemouth, United Kingdom

What is the average temperature in September in Bournemouth?

The average high-temperature, in September, in Bournemouth, is 19.3°C (66.7°F), while the average low-temperature is 9.4°C (48.9°F).
Average temperature in September - Bournemouth, United Kingdom
  • Average high temperature in September: 19.3°C

The warmest month (with the highest average high temperature) is July (22.1°C).
The month with the lowest average high temperature is January (8.4°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

Average rainfall in September - Bournemouth, United Kingdom
  • Average rainfall in September: 65.3mm

The wettest month (with the highest rainfall) is October (100.7mm).
The driest month (with the lowest rainfall) is July (47.8mm).

Average rainfall days in September - Bournemouth, United Kingdom
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is January (12.8 days).
The month with the lowest number of rainy days is August (7.3 days).

Average sea temperature in September - Bournemouth, United Kingdom
  • Average sea temperature in September: 17.3°C

The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).

Average daylight in September / Average sunshine in September - Bournemouth, United Kingdom
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.4h).
The month with shortest days is December (Average daylight: 8.1h).

  • Average sunshine in September: 5.3h

The month with most sunshine is June (Average sunshine: 7.7h).
The month with least sunshine is December (Average sunshine: 1.9h).

Average UV index in September - Bournemouth, United Kingdom
  • Average UV index in September: 4

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 1).

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