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 start of September involves a temperature drop, moving from a hot 88°F (31.1°C) in August to a moderately hot 77.5°F (25.3°C). The nighttime temperature in Filer during September displays a significant divergence from daily peaks, averaging at a fresh 54.5°F (12.5°C).Humidity
In Filer, the average relative humidity in September is 34%.Rainfall
In Filer, Idaho, during September, the rain falls for 6.4 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Filer, during the entire year, the rain falls for 91.4 days and collects up to 9.29" (236mm) of precipitation.Snowfall
May through September are months without snowfall in Filer, Idaho.Daylight
In Filer, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:04 am and sunset at 8:12 pm. On the last day of September, in Filer, sunrise is at 7:35 am and sunset at 7:20 pm MDT.
Sunshine
In September, the average sunshine in Filer is 9.5h.UV index
In September, the average daily maximum UV index in Filer is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Filer?
What is the average humidity in September in Filer?
How much does it rain in Filer in September?
When it does not snow in Filer?
Does it snow in Filer in September?
What is the average length of the day in September in Filer?
When are sunrise and sunset in September in Filer?
How many hours of sunshine does Filer have in September?
What is the UV index reading in September in Filer?
Average temperature in September
Filer, ID
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in September
Filer, ID
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Filer, ID
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
Filer, ID
- Average humidity in September: 34%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (28%).
Average rainfall in September
Filer, ID
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is December (1.3").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days in September
Filer, ID
- Average rainfall days in September: 6.4 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in September
Filer, ID
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Filer, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Filer, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Filer, ID
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in September
Filer, ID
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Filer, ID
- Average cloud cover in September: 14
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in September
Filer, ID
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Filer, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location