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 arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 80.2°F (26.8°C) in August to a pleasant 73.2°F (22.9°C). Gilman encounters a steady low-temperature average of 57.4°F (14.1°C) throughout the month of September.Humidity
February, June, July and September, with an average relative humidity of 78%, are the most humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.61" (41mm) of precipitation.Snowfall
In Gilman, Connecticut, snow does not fall in June through October.Daylight
In September, the average length of the day in Gilman is 12h and 28min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:21 pm. On the last day of September, in Gilman, sunrise is at 6:45 am and sunset at 6:31 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the usual temperature for Gilman in September?
What is the most humid month in Gilman?
What is the average humidity in September in Gilman?
What is the driest month in Gilman?
How much does it rain in Gilman in September?
When it does not snow in Gilman?
How many hours of daylight does Gilman have in September?
When are sunrise and sunset in September in Gilman?
How many hours of sunshine does Gilman have in September?
What is the UV index reading in September in Gilman?
Average temperature in September
Gilman, CT
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Gilman, CT
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Gilman, CT
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
Gilman, CT
- Average humidity in September: 78%
The months with the highest relative humidity are February, June, July and September (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Gilman, CT
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Gilman, CT
- Average rainfall days in September: 11.8 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Gilman, CT
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Gilman, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gilman, CT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Gilman, CT
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in September
Gilman, CT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (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
Gilman, CT
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Gilman, CT
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
The months with the lowest visibility are May, June, July and August (5mi).
Gilman, Connecticut, USA
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