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
The shift from August to September is characterized by an average high-temperature of a still comfortable 16.3°C (61.3°F), not significantly different from the 18.6°C (65.5°F) of August. Throughout the nights in September, an average low-temperature of 8.8°C (47.8°F) is noted.Humidity
In Rocester, the average relative humidity in September is 86%.Rainfall
In Rocester, in September, it is raining for 13.7 days, with typically 35mm (1.38") of accumulated precipitation. In Rocester, during the entire year, the rain falls for 180.9 days and collects up to 504mm (19.84") of precipitation.Snowfall
In Rocester, snow does not fall in June through October.Daylight
In Rocester, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:46 pm BST.
Sunshine
In Rocester, United Kingdom, the average sunshine in September is 5.9h.UV index
In Rocester, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during September leads to these advisories:
Be vigilant - Suggestions to stave off sun damage are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are the temperatures in Rocester in September?
What is the average humidity in September in Rocester?
How much does it rain in Rocester in September?
When it does not snow in Rocester?
What is the average length of the day in September in Rocester?
When are sunrise and sunset in September in Rocester?
How long on average sun shines in September in Rocester?
How high is the UV index in September in Rocester?
Average temperature in September
Rocester, United Kingdom
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (11.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Rocester, United Kingdom
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.3mbar).
Average wind speed in September
Rocester, United Kingdom
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest months (with the lowest average wind speed) are June and July (13km/h).
Average humidity in September
Rocester, United Kingdom
- Average humidity in September: 86%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Rocester, United Kingdom
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is June (56mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Rocester, United Kingdom
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is August (18.1 days).
The months with the least rainy days are February and March (12.5 days).
Average snowfall in September
Rocester, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Rocester, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rocester, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 5h and 5min
The months with the most sunshine are April, May and July (Average sunshine: 6h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 18min).
Average sunshine days in September
Rocester, United Kingdom
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is March (14.4 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in September
Rocester, 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 months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Rocester, United Kingdom
- Average cloud cover in September: 60
The month with the most cloud cover is November (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in September
Rocester, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March and May (9km).
The months with the lowest visibility are January, April, June, July, August, September, October, November and December (8km).
Rocester, United Kingdom
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