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
September
Weather in September
Temperature
September's advent notes a subtle adjustment in average high-temperature to an enjoyable 17.6°C (63.7°F) from August. Ratley, in the month of September, anticipates a consistent average low-temperature of 9.9°C (49.8°F).Humidity
The average relative humidity in September in Ratley is 82%.Rainfall
In Ratley, in September, it is raining for 9.9 days, with typically 18mm (0.71") of accumulated precipitation. In Ratley, during the entire year, the rain falls for 150.6 days and collects up to 286mm (11.26") of precipitation.Snowfall
April through October are months without snowfall in Ratley.Daylight
The average length of the day in September in Ratley is 12h and 39min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:52 pm. On the last day of September, in Ratley, sunrise is at 7:06 am and sunset at 6:45 pm BST.
Sunshine
The average sunshine in September in Ratley, United Kingdom, is 6.5h.UV index
The months with the highest UV index in Ratley are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Ratley?
What is the average humidity in September in Ratley?
How much does it rain in Ratley in September?
When it does not snow in Ratley?
What is the average length of the day in September in Ratley?
What time are sunrise and sunset in September in Ratley?
How long on average sun shines in September in Ratley?
What is the month with the highest UV index in Ratley?
How high is the UV index in September in Ratley?
Average temperature in September
Ratley, United Kingdom
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Ratley, United Kingdom
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in September
Ratley, United Kingdom
- Average wind speed in September: 13.3km/h
The windiest months (with the highest average wind speed) are February and December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Ratley, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (80%).
Average rainfall in September
Ratley, United Kingdom
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is August (32mm).
The driest month (with the least rainfall) is March (16mm).
Average rainfall days in September
Ratley, United Kingdom
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are February and September (9.9 days).
Average snowfall in September
Ratley, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ratley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.7 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
Ratley, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is July (Average sunshine: 7h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Ratley, United Kingdom
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Ratley, 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, November and December (UV index 2).
Average cloud cover in September
Ratley, United Kingdom
- Average cloud cover in September: 54
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 54).
Average visibility in September
Ratley, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, May, July, August, October and December (9km).
The months with the lowest visibility are April, June, September and November (8km).
