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
September's onset brings an average high-temperature of a still refreshing 17.7°C (63.9°F), showing a minute difference from August's 18.9°C (66°F). The nights of September in Shalfleet cool down to an average low of 13.3°C (55.9°F), subtly lower than daytime highs.Humidity
With an average relative humidity of 79%, September is the least humid month.Rainfall
In Shalfleet, in September, during 12.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Shalfleet, United Kingdom, during the entire year, the rain falls for 182.5 days and collects up to 469mm (18.46") of precipitation.Snowfall
April through October are months without snowfall.Sea temperature
With an average sea temperature of 17.3°C (63.1°F), September is the month with the warmest seawater in Shalfleet.Note: Swimming in water with a temperature of 17.3°C (63.1°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.
Daylight
In September, the average length of the day in Shalfleet is 12h and 37min.On the first day of September, sunrise is at 6:20 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:45 pm BST.
Sunshine
In Shalfleet, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the usual temperature for Shalfleet in September?
What is the least humid month in Shalfleet?
What is the average humidity in September in Shalfleet?
How many days does it rain in September in Shalfleet?
When it does not snow in Shalfleet?
When is the sea warmest in Shalfleet?
What is the sea temperature in September in Shalfleet?
What is the average length of the day in September in Shalfleet?
What time are sunrise and sunset in September in Shalfleet?
How long on average sun shines in September in Shalfleet?
What is the UV index reading in September in Shalfleet?
Average temperature in September
Shalfleet, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is February (8°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Shalfleet, United Kingdom
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in September
Shalfleet, United Kingdom
- Average wind speed in September: 20km/h
The windiest month (with the highest average wind speed) is December (26.2km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).
Average humidity in September
Shalfleet, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Shalfleet, United Kingdom
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is November (63mm).
The driest months (with the least rainfall) are April and May (24mm).
Average rainfall days in September
Shalfleet, United Kingdom
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is November (19.8 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in September
Shalfleet, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is November (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Shalfleet, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Shalfleet, 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 (8.6°C).
Average daylight in September /
Average sunshine in September
Shalfleet, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Shalfleet, United Kingdom
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is November (6.7 days).
Average UV index in September
Shalfleet, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in September
Shalfleet, United Kingdom
- Average cloud cover in September: 41
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Shalfleet, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Shalfleet, United Kingdom
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