September weather forecast and climate
Gilman, CT

Weather in September

The first month of the autumn, September, is still a pleasant month in Gilman, Connecticut, with average temperature varying between 73.2°F (22.9°C) and 57.4°F (14.1°C).

Temperature

In Gilman, the average high-temperature in September slightly decreases, from a warm 80.2°F (26.8°C) in August, to an agreeable 73.2°F (22.9°C). In September, the average low-temperature is 57.4°F (14.1°C).

Humidity

Months with the highest humidity in Gilman are February, June, July and September, with an average relative humidity of 78%.

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 snow does not fall in June through October.

Daylight

In September, the average length of the day is 12.5h.

Sunshine

In Gilman, Connecticut, the average sunshine in September is 8.4h.

UV index

In Gilman, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What are the most humid months in Gilman?

Months with the highest humidity are February, June, July and September, with an average relative humidity of 78%.

What is the average humidity in September in Gilman?

In September, the average relative humidity in Gilman is 78%.

What is the driest month in Gilman?

The month with the least rainfall in Gilman is September when the rain falls for 11.8 days and typically collects 1.61" (41mm) of precipitation.

How much does it rain in Gilman in September?

In September, in Gilman, the rain falls for 11.8 days. Throughout September, 1.61" (41mm) of precipitation is accumulated.

When it does not snow in Gilman?

In Gilman snow does not fall in June through October.

What is the average length of the day in September in Gilman?

The average length of the day in September in Gilman is 12.5h.

How long on average sun shines in September in Gilman?

The average sunshine in September in Gilman is 8.4h.

How high is the UV index in September in Gilman?

In Gilman, Connecticut, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Gilman, CT

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).

[Resources]

Average pressure in September
Gilman, CT

Average pressure in September - Gilman, CT
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.08").
The month with the lowest atmospheric pressure is June (29.93").

[Resources]

Average wind speed in September
Gilman, CT

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).

[Resources]

Average humidity in September
Gilman, CT

Average humidity in September - Gilman, CT
  • Average humidity in September: 78%

Months with the highest relative humidity are February, June, July and September (78%).
The month with the lowest relative humidity is April (72%).

[Resources]

Average rainfall in September
Gilman, CT

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").

[Resources]

Average rainfall days in September
Gilman, CT

Average rainfall days in September - Gilman, CT
  • Average rainfall days in September: 11.8 days

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).

[Resources]

Average snowfall in September
Gilman, CT

Average snowfall in September - Gilman, CT
  • Average snowfall in September: 0"

The month with the highest snowfall is March (3.43").
Months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Gilman, CT

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).
Months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Gilman, CT

Average daylight in September / Average sunshine in September - Gilman, CT
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.4h

Months with the most sunshine are July and August (Average sunshine: 10.2h).
The month with the least sunshine is December (Average sunshine: 4.6h).

[Resources]

Average sunshine days in September
Gilman, CT

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).

[Resources]

Average UV index in September
Gilman, CT

Average UV index in September - Gilman, CT
  • Average UV index in September: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average cloud cover in September
Gilman, CT

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).

[Resources]

Average visibility in September
Gilman, CT

Average visibility in September - Gilman, CT
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
Months with the lowest visibility are May, June, July and August (5mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location