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 advent of September presents an average high-temperature of a comfortable 18.3°C (64.9°F), maintaining a close correlation with the preceding month. Blunham experiences an average low-temperature reading of 10.8°C (51.4°F) throughout September.Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.6 days and typically collects 15mm (0.59") of precipitation.Snowfall
In Blunham, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 6:13 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:40 pm BST.
Sunshine
In September, the average sunshine is 7.1h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the average September temperature in Blunham?
What is the average humidity in September in Blunham?
What is the driest month in Blunham?
How many days does it rain in September in Blunham?
When it does not snow in Blunham?
How many hours of daylight does Blunham have in September?
What time are sunrise and sunset in September in Blunham?
How long on average sun shines in September in Blunham?
What are the months with the highest UV index in Blunham?
What is the UV index intensity in September in Blunham?
Average temperature in September
Blunham, United Kingdom
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in September
Blunham, 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 (1010.1mbar).
Average wind speed in September
Blunham, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is December (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Blunham, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Blunham, United Kingdom
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is June (38mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in September
Blunham, United Kingdom
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is September (8.6 days).
Average snowfall in September
Blunham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Blunham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.6 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
Blunham, 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: 7h and 1min
The months with the most sunshine are July and August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Blunham, United Kingdom
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is March (16.4 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in September
Blunham, 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
Blunham, United Kingdom
- Average cloud cover in September: 49
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in September
Blunham, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Blunham, United Kingdom
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