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
With the arrival of September, Gilchrist experiences a modest decline in average high-temperatures, transitioning from a warm 76.8°F (24.9°C) in August to an agreeable 68.4°F (20.2°C). Despite substantial daily fluctuations, the average low-temperature is an icy 42.3°F (5.7°C) during September.Humidity
The average relative humidity in September is 62%.Rainfall
In Gilchrist, during September, the rain falls for 4.1 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Gilchrist, during the entire year, the rain falls for 73 days and collects up to 5.71" (145mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in Gilchrist, there are 70.5 snowfall days, and 19.02" (483mm) of snow is accumulated.Daylight
In Gilchrist, Oregon, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:31 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:48 pm PDT.
Sunshine
In Gilchrist, the average sunshine in September is 10.6h.UV index
In Gilchrist, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during September leads to these advisories:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Opt for tightly woven and loose clothing to enhance protection from the Sun. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gilchrist in September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
What is the average length of the day in September in Gilchrist?
What time are sunrise and sunset in September?
How many hours of sunshine does Gilchrist have in September?
What is the UV index intensity in September?
Average temperature in September
Gilchrist, OR
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (35.1°F).
- Average low temperature in September: 42.3°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (23.4°F).
Average pressure in September
Gilchrist, OR
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in September
Gilchrist, OR
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Gilchrist, OR
- Average humidity in September: 62%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (57%).
Average rainfall in September
Gilchrist, OR
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is January (0.98").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in September
Gilchrist, OR
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is May (9.3 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in September
Gilchrist, OR
- Average snowfall in September: 0.2"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Gilchrist, OR
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Gilchrist, OR
- 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: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Gilchrist, OR
- Average sunshine days in September: 24.9 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is March (14.5 days).
Average UV index in September
Gilchrist, OR
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Gilchrist, OR
- Average cloud cover in September: 23
The months with the most cloud cover are February and March (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in September
Gilchrist, OR
- 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 and December (4mi).
Gilchrist, Oregon, USA
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