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 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
September
Weather in September
Temperature
Stepping into September, Rotherham records an average high-temperature of a fresh 11°C (51.8°F), almost consistent with August. September records a small disparity from daytime temperatures, marking an average low-temperature of 6.3°C (43.3°F) in Rotherham.Humidity
In Rotherham, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.3 days and typically collects 16mm (0.63") of precipitation.Snowfall
Months with snowfall are June, July and September. The months with the most snowfall days are June, July and September, with an average of 0.1 snowfall days.Daylight
In Rotherham, the average length of the day in September is 11h and 48min.On the first day of September in Rotherham, sunrise is at 6:53 am and sunset at 6:02 pm NZST. On the last day of the month, sunrise is at 7:02 am and sunset at 7:33 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
In Rotherham, the average sunshine in September is 8.1h.UV index
May through September, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Rotherham?
What is the average humidity in September in Rotherham?
What is the driest month in Rotherham?
How many days does it rain in September in Rotherham?
When does it snow the most in Rotherham?
When does it start to snow in Rotherham?
What is the average length of the day in September in Rotherham?
What time are sunrise and sunset in September in Rotherham?
When does Daylight Saving Time (DST) start in September in Rotherham?
How many hours of sunshine does Rotherham have in September?
What is the month with the lowest UV index in Rotherham?
What is the UV index intensity in September in Rotherham?
Average temperature in September
Rotherham, New Zealand
- Average high temperature in September: 11°C
The warmest month (with the highest average high temperature) is February (19°C).
The month with the lowest average high temperature is July (9.1°C).
- Average low temperature in September: 6.3°C
The month with the highest average low temperature is January (13.1°C).
The coldest month (with the lowest average low temperature) is July (5.2°C).
Average pressure in September
Rotherham, New Zealand
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is March (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in September
Rotherham, New Zealand
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is July (15.4km/h).
The calmest month (with the lowest average wind speed) is February (13.1km/h).
Average humidity in September
Rotherham, New Zealand
- Average humidity in September: 75%
The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is January (72%).
Average rainfall in September
Rotherham, New Zealand
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is April (45mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in September
Rotherham, New Zealand
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is December (13.9 days).
The month with the least rainy days is September (7.3 days).
Average snowfall days in September
Rotherham, New Zealand
- Average snowfall days in September: 0.1 days
The months with the highest number of snowfall days are June, July and September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Rotherham, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 15h and 18min).
The month with the shortest days is June (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is December (Average sunshine: 11h and 0min).
The month with the least sunshine is June (Average sunshine: 6h and 12min).
Average sunshine days in September
Rotherham, New Zealand
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is December (13.6 days).
Average UV index in September
Rotherham, New Zealand
- Average UV index in September: 3
The month with the highest UV index is January (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in September
Rotherham, New Zealand
- Average cloud cover in September: 33
The month with the most cloud cover is June (Cloud cover 38).
The months with the least cloud cover are January and February (Cloud cover 28).
Average visibility in September
Rotherham, 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).
