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 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
September is the month when Olema sees the highest average temperatures, with a high of 69.4°F (20.8°C) and a low of 56.3°F (13.5°C).Humidity
The average relative humidity in September is 75%.Rainfall
In September, the rain falls for 2.2 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. Throughout the year, in Olema, there are 55.1 rainfall days, and 4.65" (118mm) of precipitation is accumulated.Daylight
In Olema, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:55 pm PDT.
Sunshine
In September, the average sunshine is 10.7h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What part of the year is the hottest in Olema?
What is the temperature in September in Olema?
What is the average humidity in September in Olema?
How much does it rain in Olema in September?
What is the average length of the day in September in Olema?
When are sunrise and sunset in September in Olema?
How many hours of sunshine does Olema have in September?
What are the months with the highest UV index in Olema?
What is the UV index intensity in September in Olema?
Average temperature in September
Olema, CA
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is September (69.4°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in September
Olema, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.92"Hg).
Average wind speed in September
Olema, CA
- Average wind speed in September: 7.6mph
The windiest months (with the highest average wind speed) are April and May (10mph).
The calmest month (with the lowest average wind speed) is November (6.9mph).
Average humidity in September
Olema, CA
- Average humidity in September: 75%
The months with the highest relative humidity are July and August (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Olema, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Olema, CA
- Average rainfall days in September: 2.2 days
The month with the highest number of rainy days is March (9.4 days).
The month with the least rainy days is June (1.5 days).
Average daylight in September /
Average sunshine in September
Olema, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Olema, CA
- Average sunshine days in September: 25.1 days
The months with the most sunshine days are June and October (25.9 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in September
Olema, CA
- Average UV index in September: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in September
Olema, CA
- Average cloud cover in September: 16
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in September
Olema, CA
- 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).
Olema, California, USA
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