September weather forecast
Chapin, ID

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Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Chapin, ID

Average temperature in September - Chapin, ID
  • Average high temperature in September: 64.9°F

The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (23.2°F).

  • Average low temperature in September: 40.1°F

The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).

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Average pressure in September
Chapin, ID

Average pressure in September - Chapin, ID
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Chapin, ID

Average wind speed in September - Chapin, ID
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).

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Average humidity in September
Chapin, ID

Average humidity in September - Chapin, ID
  • Average humidity in September: 54%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in September
Chapin, ID

Average rainfall in September - Chapin, ID
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is July (0.91").

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Average rainfall days in September
Chapin, ID

Average rainfall days in September - Chapin, ID
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3 days).

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Average snowfall in September
Chapin, ID

Average snowfall in September - Chapin, ID
  • Average snowfall in September: 4.49"

The month with the highest snowfall is February (34.33").
The month with the least snowfall is July (0").

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Average snowfall days in September
Chapin, ID

Average snowfall days in September - Chapin, ID
  • Average snowfall days in September: 2.5 days

The month with the highest number of snowfall days is March (23.6 days).
The month with the least snowfall days is July (0.1 days).

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Average daylight in September /
Average sunshine in September
Chapin, ID

Average daylight in September / Average sunshine in September - Chapin, ID
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

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Average sunshine days in September
Chapin, ID

Average sunshine days in September - Chapin, ID
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is April (6.2 days).

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Average UV index in September
Chapin, ID

Average UV index in September - Chapin, ID
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).

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Average cloud cover in September
Chapin, ID

Average cloud cover in September - Chapin, ID
  • Average cloud cover in September: 20

The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in September
Chapin, ID

Average visibility in September - Chapin, ID
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (3mi).

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Chapin, Idaho, USA

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