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
September
Weather in September
Temperature
The shift into September uncovers an average high-temperature of a still sweltering 38.6°C (101.5°F), subtly different from the previous month. In September, the recorded average low-temperature is a warm 29.6°C (85.3°F).Humidity
In September, the average relative humidity is 22%.Rainfall
In Afassa, during September, the rain falls for 2.2 days and regularly aggregates up to 6mm (0.24") of precipitation. In Afassa, during the entire year, the rain falls for 27.6 days and collects up to 88mm (3.46") of precipitation.Daylight
In Afassa, the average length of the day in September is 12h and 15min.On the first day of September, sunrise is at 06:11 and sunset at 18:40. On the last day of the month, sunrise is at 06:16 and sunset at 18:15 WAT.
Sunshine
The average sunshine in September is 9.9h.UV index
The months with the highest UV index are April through September, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 8 during September leads to these advisories:
Swift harm can befall unprotected skin and eyes. Prioritize safety. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Afassa have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Afassa have in September?
When is the highest UV index?
What is the UV index reading in September in Afassa?
Average temperature in September
Afassa, Niger
- Average high temperature in September: 38.6°C
The warmest month (with the highest average high temperature) is May (41.2°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in September: 29.6°C
The month with the highest average low temperature is June (30°C).
The coldest month (with the lowest average low temperature) is January (14.3°C).
Average pressure in September
Afassa, Niger
- Average pressure in September: 1010.4mbar
The month with the highest atmospheric pressure is January (1016mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed in September
Afassa, Niger
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (20.1km/h).
The calmest month (with the lowest average wind speed) is September (12.5km/h).
Average humidity in September
Afassa, Niger
- Average humidity in September: 22%
The month with the highest relative humidity is August (35%).
The months with the lowest relative humidity are March and April (11%).
Average rainfall in September
Afassa, Niger
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is August (44mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).
Average rainfall days in September
Afassa, Niger
- Average rainfall days in September: 2.2 days
The month with the highest number of rainy days is August (10.3 days).
The month with the least rainy days is November (0 days).
Average daylight in September /
Average sunshine in September
Afassa, Niger
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
Afassa, Niger
- Average sunshine days in September: 26.5 days
The months with the most sunshine days are January and December (30.9 days).
The month with the least sunshine days is August (18.2 days).
Average UV index in September
Afassa, Niger
- Average UV index in September: 8
The months with the highest UV index are April, May, June, July, August and September (UV index 8).
The month with the lowest UV index is December (UV index 5).
Average cloud cover in September
Afassa, Niger
- Average cloud cover in September: 7
The month with the most cloud cover is August (Cloud cover 19).
The months with the least cloud cover are October and November (Cloud cover 4).
Average visibility in September
Afassa, Niger
- 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).
