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 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
As Johnshaven, United Kingdom, steps into September, the average high-temperature holds at a still refreshing 14.1°C (57.4°F), hinting at a minor fluctuation from the prior month. Nighttime temperature reflects an average dip to a fresh 10.3°C (50.5°F) in September, subtly cooler than its daytime highs.Humidity
The average relative humidity in September in Johnshaven, United Kingdom, is 84%.Rainfall
In Johnshaven, United Kingdom, during September, the rain falls for 12.2 days and regularly aggregates up to 21mm (0.83") of precipitation. In Johnshaven, United Kingdom, during the entire year, the rain falls for 168.4 days and collects up to 382mm (15.04") of precipitation.Snowfall
In Johnshaven, snow does not fall in May through October.Daylight
In Johnshaven, the average length of the day in September is 12h and 46min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:46 pm BST.
Sunshine
The average sunshine in September in Johnshaven is 7.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the usual temperature for Johnshaven in September?
What is the average humidity in September in Johnshaven?
How much does it rain in Johnshaven in September?
When it does not snow in Johnshaven?
What is the average length of the day in September in Johnshaven?
When is the sunrise / sunset in September in Johnshaven?
How many hours of sunshine does Johnshaven have in September?
What are the months with the highest UV index in Johnshaven?
What is the UV index intensity in September in Johnshaven?
Average temperature in September
Johnshaven, United Kingdom
- Average high temperature in September: 14.1°C
The warmest months (with the highest average high temperature) are July and August (15.6°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (3.1°C).
Average pressure in September
Johnshaven, United Kingdom
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.5mbar).
Average wind speed in September
Johnshaven, United Kingdom
- Average wind speed in September: 19.5km/h
The windiest month (with the highest average wind speed) is December (26km/h).
The calmest month (with the lowest average wind speed) is July (15km/h).
Average humidity in September
Johnshaven, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are June and July (85%).
The months with the lowest relative humidity are March and April (81%).
Average rainfall in September
Johnshaven, United Kingdom
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Johnshaven, United Kingdom
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (10 days).
Average snowfall in September
Johnshaven, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Johnshaven, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.9 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
Johnshaven, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in September: 7h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 8h and 12min).
The months with the least sunshine are October and November (Average sunshine: 4h and 30min).
Average sunshine days in September
Johnshaven, United Kingdom
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Johnshaven, 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
Johnshaven, United Kingdom
- Average cloud cover in September: 48
The months with the most cloud cover are June and November (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in September
Johnshaven, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are April, September, October and December (10km).
The months with the lowest visibility are January, February, March, May, June, July, August and November (9km).
Johnshaven, United Kingdom
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