September weather forecastTupana, French Polynesia
September
Weather in September
As summer ends and fall begins, September sees a minor increase in temperature, with highs averaging 26°C (78.8°F) and lows at 25.4°C (77.7°F). Rainfall increases to 50mm (1.97") up from August's 35mm (1.38"), hinting at the approaching wet season. However, the increase in rainfall does not discourage the island's inhabitants from enjoying outdoor activities. The increased sunshine and daylight hours coupled with the improving temperature make September a great time for exploration and adventure.Temperature
September's average high-temperature in Tupana is a still moderately hot 26°C (78.8°F), maintaining a close comparison with August's 25.9°C (78.6°F). In Tupana, September is characterized by an average low-temperature of 25.4°C (77.7°F), indicating a minor drop from daytime highs.Humidity
In Tupana, the average relative humidity in September is 76%.Rainfall
In Tupana, in September, it is raining for 19.1 days, with typically 50mm (1.97") of accumulated precipitation. Throughout the year, there are 271.7 rainfall days, and 1180mm (46.46") of precipitation is accumulated.Daylight
The average length of the day in September in Tupana, French Polynesia, is 12h and 1min.On the first day of the month, sunrise is at 05:50 and sunset at 17:39. On the last day of September, sunrise is at 05:27 and sunset at 17:42 -10.
Sunshine
In Tupana, the average sunshine in September is 8h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 7 during September leads to these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tupana, French Polynesia
- Average high temperature in September: 26°C
The warmest months (with the highest average high temperature) are March and April (28.2°C).
The month with the lowest average high temperature is August (25.9°C).
- Average low temperature in September: 25.4°C
The month with the highest average low temperature is March (27.7°C).
The coldest month (with the lowest average low temperature) is August (25.1°C).
Average pressure in September
Tupana, French Polynesia
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is September (1014.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in September
Tupana, French Polynesia
- Average wind speed in September: 26.5km/h
The windiest months (with the highest average wind speed) are July and September (26.5km/h).
The calmest month (with the lowest average wind speed) is April (20.2km/h).
Average humidity in September
Tupana, French Polynesia
- Average humidity in September: 76%
The month with the highest relative humidity is November (78%).
The month with the lowest relative humidity is January (75%).
Average rainfall in September
Tupana, French Polynesia
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is February (185mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in September
Tupana, French Polynesia
- Average rainfall days in September: 19.1 days
The month with the highest number of rainy days is January (27.6 days).
The month with the least rainy days is August (18.2 days).
Average daylight in September /
Average sunshine in September
Tupana, French Polynesia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is December (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 5h and 48min).
Average sunshine days in September
Tupana, French Polynesia
- Average sunshine days in September: 4.8 days
The month with the most sunshine days is October (6.1 days).
The month with the least sunshine days is January (1.9 days).
Average UV index in September
Tupana, French Polynesia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Tupana, French Polynesia
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in September
Tupana, French Polynesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
