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
As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a warm 78.6°F (25.9°C) to an agreeable 69.1°F (20.6°C). Pitt reports an average nighttime low-temperature of 47.7°F (8.7°C) in September.Humidity
In September, the average relative humidity is 65%.Rainfall
In Pitt, during September, the rain falls for 8.2 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Pitt, during the entire year, the rain falls for 152.5 days and collects up to 26.93" (684mm) of precipitation.Snowfall
In Pitt, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 6:26 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:46 pm PDT.
Sunshine
In Pitt, the average sunshine in September is 10.2h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are the temperatures in Pitt in September?
What is the average humidity in September in Pitt?
How much does it rain in Pitt in September?
When it does not snow in Pitt?
What is the average length of the day in September in Pitt?
When are sunrise and sunset in September in Pitt?
How long on average sun shines in September in Pitt?
How high is the UV index in September in Pitt?
Average temperature in September
Pitt, WA
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in September: 47.7°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in September
Pitt, WA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in September
Pitt, WA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in September
Pitt, WA
- Average humidity in September: 65%
The months with the highest relative humidity are January, February and December (88%).
The months with the lowest relative humidity are July and August (58%).
Average rainfall in September
Pitt, WA
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is January (4.88").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Pitt, WA
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in September
Pitt, WA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Pitt, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Pitt, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Pitt, WA
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Pitt, WA
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Pitt, WA
- Average cloud cover in September: 27
The months with the most cloud cover are January and February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in September
Pitt, WA
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
Pitt, Washington, USA
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