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
The arrival of September coincides with an average high-temperature of a still moderate 14.5°C (58.1°F), indicating a minimal shift from August's 13.7°C (56.7°F). Thames observes an average low-temperature of 10.9°C (51.6°F) during the slightly cooler nights of September.Humidity
In September, the average relative humidity in Thames, New Zealand, is 80%.Rainfall
In Thames, New Zealand, in September, during 16.6 rainfall days, 65mm (2.56") of precipitation is typically accumulated. In Thames, during the entire year, the rain falls for 180 days and collects up to 716mm (28.19") of precipitation.Sea temperature
In September, the average sea temperature is 15.3°C (59.5°F).Note: The enjoyment of swimming decreases for most when the surface water temperature is 15.3°C (59.5°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).
Daylight
The average length of the day in September in Thames is 11h and 51min.On the first day of the month, sunrise is at 6:38 am and sunset at 5:57 pm NZST. On the last day of September, sunrise is at 6:54 am and sunset at 7:20 pm NZDT.
Note: On Sunday, 29. September 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from NZST to NZDT. Daylight Saving Time lasts until Sunday, 06. April 2025, at 3:00 am; consequently, the time zone reverts from NZDT to NZST.
Sunshine
The average sunshine in September in Thames, New Zealand, is 6.6h.UV index
In September, the average daily maximum UV index in Thames, New Zealand, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Thames in September?
What is the average humidity in September in Thames?
How much does it rain in Thames in September?
What is the sea temperature in September in Thames?
What is the average length of the day in September in Thames?
What time are sunrise and sunset in September in Thames?
When does Daylight Saving Time (DST) start in September in Thames?
How long on average sun shines in September in Thames?
What is the UV index intensity in September in Thames?
Average temperature in September
Thames, New Zealand
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is February (21.8°C).
The month with the lowest average high temperature is July (13.5°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is February (17.8°C).
The coldest month (with the lowest average low temperature) is July (10.2°C).
Average pressure in September
Thames, New Zealand
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is March (1018.2mbar).
The months with the lowest atmospheric pressure are January and September (1014.7mbar).
Average wind speed in September
Thames, New Zealand
- Average wind speed in September: 21.5km/h
The windiest month (with the highest average wind speed) is September (21.5km/h).
The calmest month (with the lowest average wind speed) is February (15.5km/h).
Average humidity in September
Thames, New Zealand
- Average humidity in September: 80%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are March, April, May and July (78%).
Average rainfall in September
Thames, New Zealand
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is August (84mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in September
Thames, New Zealand
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is January (10.6 days).
Average sea temperature in September
Thames, New Zealand
- Average sea temperature in September: 15.3°C
The best month for swimming (with the highest average sea temperature) is February (21.2°C).
The coldest month (with the lowest average sea temperature) is August (15.2°C).
Average daylight in September /
Average sunshine in September
Thames, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is December (Average sunshine: 8h and 18min).
The month with the least sunshine is August (Average sunshine: 6h and 24min).
Average sunshine days in September
Thames, New Zealand
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is January (15.6 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in September
Thames, New Zealand
- Average UV index in September: 4
The months with the highest UV index are January, February, March, April and December (UV index 5).
The months with the lowest UV index are June and July (UV index 3).
Average cloud cover in September
Thames, New Zealand
- Average cloud cover in September: 48
The months with the most cloud cover are August and September (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 36).
Average visibility in September
Thames, New Zealand
- 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).
Thames, New Zealand
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