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 sea temperature 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
During the warmest month, September, temperatures average a high of 72.5°F (22.5°C) and a low of 55.2°F (12.9°C).Humidity
In Pacific Grove, the average relative humidity in September is 72%.Rainfall
In Pacific Grove, California, in September, during 2.4 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Pacific Grove, during the entire year, the rain falls for 73.6 days and collects up to 11.77" (299mm) of precipitation.Ocean temperature
The months with the warmest seawater in Pacific Grove are August and September, with an average ocean temperature of 58.1°F (14.5°C).Note: Swimming at temperatures less than 50°F (10°C) in 58.1°F (14.5°C) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 55.4°F (13°C) without adequate warmth can be discomforting.
Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:35 pm. On the last day of September, in Pacific Grove, sunrise is at 7:02 am and sunset at 6:51 pm PDT.
Sunshine
In Pacific Grove, California, the average sunshine in September is 11.1h.UV index
The months with the highest UV index in Pacific Grove are June through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during September leads to these instructions:
Adopt protective measures - It is advised to guard against sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are the warmest months in Pacific Grove?
What are the temperatures in Pacific Grove in September?
What is the average humidity in September in Pacific Grove?
How many days does it rain in September in Pacific Grove?
What months are the ocean warmest in Pacific Grove?
What is the water temperature in September in Pacific Grove?
What is the average length of the day in September in Pacific Grove?
What time are sunrise and sunset in September in Pacific Grove?
How long on average sun shines in September in Pacific Grove?
When is the highest UV index in Pacific Grove?
How high is the UV index in September in Pacific Grove?
Average temperature in September
Pacific Grove, CA
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in September: 55.2°F
The months with the highest average low temperature are August and September (55.2°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in September
Pacific Grove, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in September
Pacific Grove, CA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Pacific Grove, CA
- Average humidity in September: 72%
The months with the highest relative humidity are March and May (76%).
The month with the lowest relative humidity is November (68%).
Average rainfall in September
Pacific Grove, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is December (2.4").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in September
Pacific Grove, CA
- Average rainfall days in September: 2.4 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.1 days).
Average sea temperature in September
Pacific Grove, CA
- Average sea temperature in September: 58.1°F
The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).
Average daylight in September /
Average sunshine in September
Pacific Grove, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Pacific Grove, CA
- Average sunshine days in September: 25.9 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in September
Pacific Grove, CA
- Average UV index in September: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Pacific Grove, CA
- Average cloud cover in September: 12
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in September
Pacific Grove, 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).
Pacific Grove, California, USA
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