September weather forecastHalstead, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Halstead, United Kingdom, with an average temperature fluctuating between 11.4°C (52.5°F) and 18.5°C (65.3°F).Temperature
Halstead's September average high-temperature settles at an enjoyable 18.5°C (65.3°F), showing a near match with the preceding month. In the month of September, an average of 11.4°C (52.5°F) marks the low-temperature in Halstead.Humidity
In Halstead, the average relative humidity in September is 78%.Rainfall
In Halstead, in September, during 11.3 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In Halstead, during the entire year, the rain falls for 158.5 days and collects up to 387mm (15.24") of precipitation.Snowfall
In Halstead, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 39min.On the first day of September in Halstead, United Kingdom, sunrise is at 6:10 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:36 pm BST.
Sunshine
In September, the average sunshine in Halstead is 6.8h.UV index
In Halstead, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Halstead, United Kingdom
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (21.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Halstead, United Kingdom
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Halstead, United Kingdom
- Average wind speed in September: 13.5km/h
The windiest months (with the highest average wind speed) are February and December (18.6km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in September
Halstead, 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 (74%).
Average rainfall in September
Halstead, United Kingdom
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (44mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Halstead, United Kingdom
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Halstead, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Halstead, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Halstead, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Halstead, United Kingdom
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
Halstead, 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, February, March, November and December (UV index 2).
Average cloud cover in September
Halstead, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 50).
Average visibility in September
Halstead, 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).
