September weather forecast and climate
Colebrook, NH

What is the temperature in September in Colebrook?

In September, the average high-temperature is 66°F (18.9°C), and the average low-temperature is 44.1°F (6.7°C).

How much does it rain in Colebrook in September?

In Colebrook, New Hampshire, in September, it is raining for 11 days, with typically 3.7" (94.5mm) of accumulated precipitation.

Does it snow in Colebrook in September?

In Colebrook, in September, it doesn't snow. In October, it regularly snows.
Average temperature in September - Colebrook, NH
  • Average high temperature in September: 66.1°F

The warmest month (with the highest average high temperature) is July (77.3°F).
The month with the lowest average high temperature is January (23.8°F).

  • Average low temperature in September: 44.1°F

The month with the highest average low temperature is July (53.7°F).
The coldest month (with the lowest average low temperature) is January (0.2°F).

Average rainfall in September - Colebrook, NH
  • Average rainfall in September: 3.7"

The wettest month (with the highest rainfall) is August (4.5").
The driest month (with the lowest rainfall) is February (2").

Average rainfall days in September - Colebrook, NH
  • Average rainfall days in September: 11 days

Months with the highest number of rainy days are November and December (15 days).
The month with the lowest number of rainy days is September (11 days).

Average snowfall in September - Colebrook, NH
  • Average snowfall in September: 0"

The month with the highest snowfall is December (23.1").
Months with the lowest snowfall are May, June, July, August and September (0").

Average daylight in September / Average sunshine in September - Colebrook, NH
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 5h

The month with most sunshine is July (Average sunshine: 8h).
Months with least sunshine are November and December (Average sunshine: 2).

Average UV index in September - Colebrook, NH
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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