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
Weather in September
Temperature
The months of July through September see the lowest levels of Sima's temperatures, averaging a high of 25.4°C (77.7°F).Humidity
In September, the average relative humidity is 75%.Rainfall
The months with the least rainfall in Sima, Comoros, are August and September Rain falls for 9.9 days and accumulates 14mm (0.55") of rain.Daylight
The average length of the day in September in Sima is 12h and 2min.On the first day of September in Sima, Comoros, sunrise is at 06:09 and sunset at 18:03. On the last day of the month, sunrise is at 05:50 and sunset at 18:02 EAT.
Sunshine
The average sunshine in September in Sima is 10.1h.UV index
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Sima. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 7 turns into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What part of the year is the coldest in Sima?
What is the average September temperature in Sima?
What is the average humidity in September in Sima?
What is the driest month in Sima?
How much does it rain in Sima in September?
What is the average length of the day in September in Sima?
When are sunrise and sunset in September in Sima?
How long on average sun shines in September in Sima?
What are the months with the highest UV index in Sima?
What is the UV index reading in September in Sima?
Average temperature in September
Sima, Comoros
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is March (28.6°C).
The months with the lowest average high temperature are July, August and September (25.4°C).
- Average low temperature in September: 24.2°C
The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).
Average pressure in September
Sima, Comoros
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is February (1010mbar).
Average wind speed in September
Sima, Comoros
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is July (22.1km/h).
The calmest months (with the lowest average wind speed) are March, November and December (12km/h).
Average humidity in September
Sima, Comoros
- Average humidity in September: 75%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Sima, Comoros
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is January (176mm).
The driest months (with the least rainfall) are August and September (14mm).
Average rainfall days in September
Sima, Comoros
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is April (23.1 days).
The month with the least rainy days is August (9.8 days).
Average daylight in September /
Average sunshine in September
Sima, Comoros
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is November (Average sunshine: 11h and 18min).
The months with the least sunshine are May and June (Average sunshine: 7h and 12min).
Average sunshine days in September
Sima, Comoros
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is April (5.1 days).
Average UV index in September
Sima, Comoros
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Sima, Comoros
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Sima, Comoros
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Sima, Comoros
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