Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During September, Bo'ness observes a subtle ascent to a still refreshing 14.8°C (58.6°F) from August's 16.8°C (62.2°F) in the average high-temperature. Throughout the month of September, the nighttime temperature dips to an average of 8.6°C (47.5°F).Humidity
In September, the average relative humidity in Bo'ness is 86%.Rainfall
In Bo'ness, during September, the rain falls for 15 days and regularly aggregates up to 31mm (1.22") of precipitation. In Bo'ness, during the entire year, the rain falls for 192.2 days and collects up to 469mm (18.46") of precipitation.Snowfall
In Bo'ness, snow does not fall in May through October.Sea temperature
In Bo'ness, in September, the average water temperature is 14.1°C (57.4°F).Note: Swimming in 14.1°C (57.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
In September, the average length of the day in Bo'ness is 12h and 44min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:08 pm. On the last day of September, in Bo'ness, sunrise is at 7:16 am and sunset at 6:51 pm BST.
Sunshine
In September, the average sunshine is 6.2h.UV index
The average daily maximum UV index in September in Bo'ness is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the usual temperature for Bo'ness in September?
What is the average humidity in September in Bo'ness?
How many days does it rain in September in Bo'ness?
When it does not snow in Bo'ness?
What is the sea water temperature in September in Bo'ness?
What is the average length of the day in September in Bo'ness?
What time are sunrise and sunset in September in Bo'ness?
How many hours of sunshine does Bo'ness have in September?
What is the UV index reading in September in Bo'ness?
Average temperature in September
Bo'ness, United Kingdom
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Bo'ness, United Kingdom
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed in September
Bo'ness, United Kingdom
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest months (with the lowest average wind speed) are June and July (12.5km/h).
Average humidity in September
Bo'ness, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Bo'ness, United Kingdom
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is August (60mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Bo'ness, United Kingdom
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is April (12.3 days).
Average snowfall in September
Bo'ness, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Bo'ness, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Bo'ness, United Kingdom
- Average sea temperature in September: 14.1°C
The best month for swimming (with the highest average sea temperature) is August (14.5°C).
The coldest months (with the lowest average sea temperature) are February and March (7°C).
Average daylight in September /
Average sunshine in September
Bo'ness, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 6h and 1min
The months with the most sunshine are April and June (Average sunshine: 7h and 18min).
The months with the least sunshine are February and October (Average sunshine: 4h and 6min).
Average sunshine days in September
Bo'ness, United Kingdom
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is April (13.9 days).
The month with the least sunshine days is July (6.7 days).
Average UV index in September
Bo'ness, 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 month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Bo'ness, United Kingdom
- Average cloud cover in September: 57
The month with the most cloud cover is June (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Bo'ness, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
Bo'ness, United Kingdom
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