Lima
September
Weather in Lima for September 2026
Your guide to Lima weather in September - trends and predictions
So far, September 2026 in Lima is slightly warmer than the historical average by 1.4 °C.
The forecast for the next days in Lima predicts temperatures to be around 21 °C, close to the historical average.
In general, the average temperature in Lima at the beginning of September is 20 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 21.3 °C by the end of September.
Precipitation in Lima during September is a rare event, with an average of fewer than 2 rainy days.
Temperatures
Rain 🌧️
30
Dry days
0
Rainy days
0
Snow days
20°/14°
Temperatures
15 km/h
Avg max wind
76 %
Avg humidity
Lima Weather September
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Temperatures trend during September in Lima
See the weather trend as well as the moving average line
September weather in Lima day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 20° /14° | 0 mm | 7 | |
| 2 Sept. | Partly cloudy | 20° /14° | 0 mm | 6 | |
| 3 Sept. | Partly cloudy | 20° /14° | 0 mm | 7 | |
| 4 Sept. |  Patchy rain possible | 20° /14° | 0 mm | 7 | |
| 5 Sept. | Partly cloudy | 20° /14° | 0 mm | 7 | |
| 6 Sept. | Partly cloudy | 20° /14° | 0 mm | 7 | |
| 7 Sept. | Partly cloudy | 20° /14° | 0 mm | 7 | |
| 8 Sept. | Partly cloudy | 21° /14° | 0 mm | 6 | |
| 9 Sept. | Patchy rain possible | 21° /15° | 0.2 mm | 5 | |
| 10 Sept. | Partly cloudy | 21° /14° | 0.5 mm | 6 | |
| 11 Sept. | Patchy rain possible | 20° /14° | 0.9 mm | 6 | |
| 12 Sept. | Partly cloudy | 20° /14° | 0.1 mm | 6 | |
| 13 Sept. | Partly cloudy | 20° /14° | 0.2 mm | 7 | |
| 14 Sept. | Partly cloudy | 20° /15° | 0 mm | 7 | |
| 15 Sept. | Partly cloudy | 20° /14° | 0 mm | 7 | |
| 16 Sept. | Partly cloudy | 21° /15° | 0 mm | 6 | |
| 17 Sept. | Partly cloudy | 21° /15° | 0 mm | 7 | |
| 18 Sept. | Patchy rain possible | 21° /15° | 0 mm | 7 | |
| 19 Sept. | Patchy rain possible | 21° /15° | 0 mm | 7 | |
| 20 Sept. | Patchy rain possible | 21° /15° | 0.3 mm | 6 | |
| 21 Sept. | Patchy rain possible | 20° /14° | 0.1 mm | 6 | |
| 22 Sept. | Patchy rain possible | 20° /15° | 0 mm | 5 | |
| 23 Sept. | Patchy rain possible | 21° /15° | 0 mm | 7 | |
| 24 Sept. | Patchy rain possible | 21° /15° | 0 mm | 7 | |
| 25 Sept. |  Overcast | 22° /15° | 0 mm | 7 | |
| 26 Sept. | Patchy rain possible | 20° /15° | 0 mm | 5 | |
| 27 Sept. |  Sunny | 22° /17° | 0 mm | 12.8 | |
| 28 Sept. | Sunny | 22° /17° | 0 mm | 13.6 | |
| 29 Sept. | Sunny | 21° /16° | 0 mm | 12 | |
| 30 Sept. | Sunny | 21° /16° | 0 mm | 12.9 | |
| Next | |||||
Important Notice
Our weather forecast for Lima in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Lima forecast closer to your planned date for the most up-to-date weather information.
Change Month
Lima in September - FAQ
What are the expected maximum and minimum temperatures in Lima during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lima during September?
Rainfall in Lima during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Lima during September?
The average wind speed in Lima during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
Lima water temperatures in September
The average water temperature of the Pacific Ocean near Lima in September is 17.7 °C. At the beginning of September temperatures are around 18 °C; by the end of the month they get a bit cooler and reach 17.3 °C.
- What is the water temperature in Lima in September?
- The average water temperature in Lima in September is 17.7 °C.
- Can you swim in Lima in September?
- Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.
UV exposure in Lima during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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