September weather forecast and climate
Higganum, CT

Weather in September

The first month of the autumn, September, is also a moderately hot month in Higganum, Connecticut, with average temperature ranging between max 73.4°F (23°C) and min 56.7°F (13.7°C).

Temperature

In September, the average high-temperature slightly decreases, from a moderately hot 80.4°F (26.9°C) in August, to a still warm 73.4°F (23°C). In September, in Higganum, Connecticut, the average low-temperature is 56.7°F (13.7°C).

Humidity

In Higganum, the average relative humidity is 77%.

Rainfall

The month with the least rainfall in Higganum is September when the rain falls for 8.5 days and typically collects 0.39" (10mm) of precipitation.

Snowfall

In Higganum snow does not fall in June through October.

Daylight

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

Sunshine

In September, the average sunshine in Higganum is 8.3h.

UV index

In Higganum, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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 is the temperature in September in Higganum?

The average high-temperature, in September, is 73.4°F (23°C), while the average low-temperature is 56.7°F (13.7°C).

What is the average humidity in September in Higganum?

In September, the average relative humidity in Higganum, Connecticut, is 77%.

How much does it rain in Higganum in September?

In Higganum, Connecticut, in September, it is raining for 8.5 days, with typically 0.39" (10mm) of accumulated precipitation.

What is the driest month in Higganum?

September is the month with the least rainfall in Higganum. Rain falls for 8.5 days and accumulates 0.39" (10mm) of precipitation.

When it does not snow in Higganum?

In Higganum, Connecticut, snow does not fall in June through October.

How many hours of daylight does Higganum have in September?

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

How many hours of sunshine does Higganum have in September?

In September, the average sunshine in Higganum is 8.3h.

What is the UV index reading in September in Higganum?

In Higganum, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in September
Higganum, CT

Average temperature in September - Higganum, CT
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

[Resources]

Average pressure in September
Higganum, CT

Average pressure in September - Higganum, 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
Higganum, CT

Average wind speed in September - Higganum, CT
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

[Resources]

Average humidity in September
Higganum, CT

Average humidity in September - Higganum, CT
  • Average humidity in September: 77%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).

[Resources]

Average rainfall in September
Higganum, CT

Average rainfall in September - Higganum, CT
  • Average rainfall in September: 0.39"

The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.39").

[Resources]

Average rainfall days in September
Higganum, CT

Average rainfall days in September - Higganum, CT
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (5.9 days).

[Resources]

Average snowfall in September
Higganum, CT

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

The month with the highest snowfall is March (1.14").
Months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Higganum, CT

Average snowfall days in September - Higganum, CT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.2 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
Higganum, CT

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

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.3h

Months with the most sunshine are July and August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.5h).

[Resources]

Average sunshine days in September
Higganum, CT

Average sunshine days in September - Higganum, CT
  • Average sunshine days in September: 19.1 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (16.3 days).

[Resources]

Average UV index in September
Higganum, CT

Average UV index in September - Higganum, 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
Higganum, CT

Average cloud cover in September - Higganum, CT
  • Average cloud cover in September: 39

Months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

[Resources]

Average visibility in September
Higganum, CT

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

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

[Resources]