September weather forecastPeterhead, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Peterhead, United Kingdom, with an average temperature varying between 14.4°C (57.9°F) and 10.9°C (51.6°F).Temperature
September brings a marginal elevation to a still moderate 14.4°C (57.9°F) from August's 15.7°C (60.3°F) in Peterhead's average high-temperatures. Peterhead experiences a subtle drop in temperature during the September nights, recording an average of 10.9°C (51.6°F).Humidity
In Peterhead, the average relative humidity in September is 83%.Rainfall
In Peterhead, United Kingdom, during September, the rain falls for 16.9 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, in Peterhead, there are 213.1 rainfall days, and 509mm (20.04") of precipitation is accumulated.Snowfall
June through October are months without snowfall.Sea temperature
In Peterhead, United Kingdom, the average seawater temperature in September is 13.2°C (55.8°F).Note: Taking a dip in 13.2°C (55.8°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
The average length of the day in September in Peterhead is 12h and 47min.On the first day of September in Peterhead, sunrise is at 6:09 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:43 pm BST.
Sunshine
In September, the average sunshine is 6.8h.UV index
The months with the highest UV index in Peterhead are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Peterhead, United Kingdom
- Average high temperature in September: 14.4°C
The warmest month (with the highest average high temperature) is August (15.7°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (4°C).
Average pressure in September
Peterhead, United Kingdom
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1006mbar).
Average wind speed in September
Peterhead, United Kingdom
- Average wind speed in September: 21.9km/h
The windiest month (with the highest average wind speed) is January (28.3km/h).
The calmest month (with the lowest average wind speed) is July (17.5km/h).
Average humidity in September
Peterhead, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is March (79%).
Average rainfall in September
Peterhead, United Kingdom
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is August (54mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Peterhead, United Kingdom
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is April (15.5 days).
Average snowfall in September
Peterhead, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (29mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Peterhead, 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 June, July, August, September and October (0 days).
Average sea temperature in September
Peterhead, United Kingdom
- Average sea temperature in September: 13.2°C
The best month for swimming (with the highest average sea temperature) is August (13.8°C).
The coldest month (with the lowest average sea temperature) is March (6.8°C).
Average daylight in September /
Average sunshine in September
Peterhead, United Kingdom
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Peterhead, United Kingdom
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is May (12.6 days).
The month with the least sunshine days is November (6.7 days).
Average UV index in September
Peterhead, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (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
Peterhead, United Kingdom
- Average cloud cover in September: 54
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 52).
Average visibility in September
Peterhead, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are February, April, June and October (10km).
The months with the lowest visibility are January, March, May, July, August, September, November and December (9km).





