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 onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 79°F (26.1°C) in August to a pleasant 71.8°F (22.1°C). September's nights in Barkhamsted observe an average temperature of 53.4°F (11.9°C).Humidity
In September, the average relative humidity in Barkhamsted is 79%.Rainfall
In Barkhamsted, during September, the rain falls for 10.3 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 134.4 rainfall days, and 15.67" (398mm) of precipitation is accumulated.Snowfall
In Barkhamsted, Connecticut, snow does not fall in May through September.Daylight
In Barkhamsted, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:24 pm. On the last day of September, in Barkhamsted, sunrise is at 6:48 am and sunset at 6:34 pm EDT.
Sunshine
In September, the average sunshine in Barkhamsted is 8.2h.UV index
In September, the average daily maximum UV index in Barkhamsted is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the usual temperature for Barkhamsted in September?
What is the average humidity in September in Barkhamsted?
How many days does it rain in September in Barkhamsted?
When it does not snow in Barkhamsted?
Does it snow in Barkhamsted in September?
What is the average length of the day in September in Barkhamsted?
When are sunrise and sunset in September in Barkhamsted?
How long on average sun shines in September in Barkhamsted?
What is the UV index reading in September in Barkhamsted?
Average temperature in September
Barkhamsted, CT
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Barkhamsted, CT
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Barkhamsted, CT
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Barkhamsted, CT
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Barkhamsted, CT
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Barkhamsted, CT
- Average rainfall days in September: 10.3 days
The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Barkhamsted, CT
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Barkhamsted, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Barkhamsted, CT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Barkhamsted, CT
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is January (19.4 days).
The months with the least sunshine days are April and May (13.1 days).
Average UV index in September
Barkhamsted, CT
- Average UV index in September: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Barkhamsted, CT
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Barkhamsted, CT
- Average visibility in September: 5mi
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).
Barkhamsted, Connecticut, USA
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